E2fsprogs Release Notes

Release notes for the e2fsprogs package

E2fsprogs 1.44.1 (March 24, 2018)


E2fsprogs 1.44.0 introduced a regression introduced which caused e2fsck to fail to support HTree directories on big-endian systems. Fix how we read block numbers for internal htree nodes.

Removed a potential memory leak from fsck.

E2image now correctly creates e2image files for bigalloc file systems.

Dumpe2fs and debugfs now correctly support e2image files for file systems that have the meta_bg option enabled.

E2fsck and debugfs now correctly handle delete inodes (including processing the orphaned inode list in the case of e2fsck) for bigalloc file systems. (Addresses Google Bug: #73795618)

Portability fixes for GNU Hurd. (Addresses Debian Bug: #893590)

Portability fixes for building in some cross-build environments.

Portability fixes for MacOS 10.6.8.

Add clarifications to chattr's man page. (Addresses Debian Bug: #890390)

Performance, Internal Implementation, Development Support etc.

Debugfs now reads allocation bitmaps much more efficiently when opening a file system.

Update Sweedish translation file.

Add Vcs-* fields to debian packaging. (Addresses Debian Bug: #887512)

Fix some test failures on GNU Hurd caused by a different default block size.

Add new regression tests.

E2fsprogs 1.44.0 (March 7, 2018)

UI and Features

E2fsprogs now supports the large_dir (INCOMPAT_LARGEDIR) feature. This feature allows larger directories to be created, both with directory sizes over 2GB and and a maximum htree depth of 3 instead of the current limit of 2. These features are needed in order to exceed the currently limit of approximately 10M entries in a single directory for 4KB blocksize (~100k for 1KB).

E2fsprogs now supports the ea_inode (INCOMPAT_EA_INODE) feature, which stores large extended attributes in an external inode instead of a single data block. This is backwards compatible with a Lustre file system feature, but it has been extended to support deduplicating extended attribute values which are used in multiple inodes.

The metadata_csum feature (RO_COMPAT_METADATA_CSUM) is now enabled by default by mke2fs.

The resize2fs program will no longer complain about resizing bigalloc file systems as being dangerous when doing an on-line resize (since this is purely a kernel feature).

Debugfs's ls command will now print the high bits of the inode's mode bits.


Fixed some potential buffer overrun bugs in the blkid library and in the fsck program.

There were some corner cases which tune2fs wouldn't correctly handle when operating on a file system which was not cleanly mounted and thus required running the journal because it could be modified. Tune2fs will now run the journal before trying to change the superblock, and if the file system needs to be checked after the journal has been replayed, it will require it before proceeding. Also if the file system is busy (for example, because it is in use by Lustre), but is not present in the /proc/mounts or /etc/mtab, tune2fs will not try to replay the journal, since this could do real damage if it the file system is being actively modified by the kernel.

The libss library (used by debugfs) now supports the version 7 of the libreadline shared library.

The e2freefrag program will use the GETFSMAP ioctl if it is available and the file system is mounted, so that the free space statistics will be more accurate.

The consistency checks for symlinks (especially for encrypted and inline data file sytems) in e2fsck are now much more careful/stringent. Also fixed a bug where creating a symlink using ext2fs_symlink() which was exactly 60 bytes long when inline data was enabled would result in a missing system.data xattr.

Performance, Internal Implementation, Development Support etc.

Mke2fs now uses io_channel_flush() instead of sync() for the sync_kludge feature.

E2fsprogs now uses i_size as the primary way of determining whether a symlink is a fast symlink.

Fix various compiler and UBSAN warnings.

Long running test are now skipped with "make check" and only run when "make fullcheck". The test runner will warn when potentially long running tests are being run via "make check".

E2fsck is now much faster for bigalloc file systems when scanning extents for bigalloc file systems. (Addresses Google Bug #36886699)

Update Czech, Spanish, French, Malay, and Ukrainian translations.

E2fsprogs 1.43.9 (February 8, 2018)

Remove the huge file flag from libe2p (and hence from chattr/lsattr), since it was never made visible by the kernel. Remove the description of some compression related flags, and add a description of the encrypted file flag, and the project hierarchy flag.

Remove a misplaced "MNP is unsupported" message from debugfs.

Fix a build failure in lib/ext2fs/swapfs.c on big-endian systems. (Addresses Debian Bug #886119)

Fix various Debian packaging issues. (Addresses Debian Bug #269569).

E2fsprogs 1.43.8 (January 1, 2018)

Fix a bug where updated bitmap checks might not be written to disk. (Addresses Debian Bug: #883869)

Some newly added fields in the superblocks were not getting byte swapped (which were not noticed since big endian systems are amazingly unpopular). Fix them and compile-time checks to avoid this class of bugs from happening in the future. (Lustre Bug #9309)

Fix a potential use after free bug in e2fsck when fixing a corrupted root node in directory hash tree.

Fix a bug in e2fsck where a badly/maliciously corrupted superblock (which is not fixed due to the -n option, for example) can cause a floating point exception when printing the summary statistics. (Addresses Debian Bug: #879220)

Fix debugfs's ncheck command so that it correctly prints the inode number when printing an error message.

Fix a bug in e2freefrag where it could print an incorrect free blocks count on a file system with the 64-bit block number feature.

Update the German, Serbian, Spanish, and Ukrainian translations.

Fix a bug where resize2fs's free blocks sanity check could fail with a false positive and refuse to check a file system with the 64-bit block number feature.

Fix and clarify various man pages and documentations. Also fixed up some random usage texts that were incorrect. (Addresses Debian Bugs: #880483)

Fixed various Debian Packaging Issues. (Addresses Debian Bugs: #880207, #881408, #881590, #881591)

Programming notes

Fix various compiler warnings.

Clean up Makefile output.

Fix compatibility problems with glibc 2.27 casued by a collision with copy_file_range().

E2fsprogs 1.43.7 (October 16, 2017)

Fix the error handling code in debugfs, fuse2fs and tune2fs so errors trying to replay the journal won't accidentally result in a seg fault if reopening the file system after the journal replay fails for some reason.

Fix resize2fs to avoid it from either failing or corrupting the file system image in certain corner cases when doing an off-line resize.

Fix many spelling mistakes in various man pages, code comments, and program messages.

Fix e2fsck and debugfs so that maliciously corrupted file systems will not cause buffer overflows. (Addresses Debian Bugs: #873757, #878104)

Update German translation. (Addresses Debian Bug: #833514)

Fixed various Debian Packaging Issues. (Addresses Debian Bugs: #873812, #873813, #876551)

Programming notes

Test descritions have been shorted to fit in 80 columns.

Fix various tests to avoid leaving temp files in /tmp.

E2fsprogs 1.43.6 (August 29, 2017)

Fix printing of quota inconsistency messages on 32-bit platforms in e2fsck. Also fix a bug which cause project quota problems to be labelled as group quota problems.

Fix UI problems caused by fuzzy translations such that some messages are in English and some are in the foreign language, and it's not obvious to user how to answer yes/no questions. (Addresses Debian Bug: #856586).

Fix some out-of-bounds memory accesses in e2fsck caused by (usually maliciously) corrupted file systems. (Addresses Debian Bugs: #871539, #871540)

Optimize CPU usage in e2fsck for very large, very fragmented sparse files.

Add an optional mode in e2fsck which trades off additional memory for CPU time when processing file systems that are heavily hard-linked. (This can be a very large amount of memory, so this feature is disabled for now. How to automatically determine when it would be helpful to enable this optimization, and when it is _safe_ to enable this optimization is still a bit of a research problem.)

The mke2fs program will automatically upsize the inode size to 256 if it is not explicitly specified on command-line and the default inode size is not large enough to support the project quota feature requested by the user. If the inode size is explicitly specified to be 128 bytes, and the project quota is enabled mke2fs will fail since with an error explaining that project id's can't be supported when the inode size is < 256 bytes.

The tune2fs program will not allow the project feature or project quotas to be enabled in the inode size is 128 bytes.

The tune2fs program now prints a more understandable message explaining that the file system needs to be checked using e2fsck -f before running certain complex tune2fs operations. (Addresses Debian Bug: #857336)

If the proceed_delay option is enabled in /etc/e2fsck.conf, the message indicating that user can wait N seconds to proceed was ambiguous. That message has been made more clear. (Addresses Debian Bug: #857336)

Fix LFS bug which caused e2image to fail to create regular e2image files which are larger than 2 GiB on 32-bit platforms. (Addresses Debian Bug: #855246)

Fix FreeBSD portability problem caused by the fact that they no longer use block devices. (Disks are character mode devices.)

Update the Czech, French, Polish, Swedish, and Vietnamese translations.

Fixed various Debian Packaging Issues.

Programming notes

Avoid changing the blkid cache when running tests. (Normally the blkid cache is not writable by the user running tests, but...)

The tar file generation process will now create reproducible artifacts.

Removed legacy entries for ext4dev in the default mke2fs.conf file.

E2fsprogs 1.43.5 (August 4, 2017)

Fix a bug which could cause e2fsck to loop forever when rebuilding an encrypted directory with entries with identical prefixes up to an embedded NUL character.

Fix build when configured with --disable-threads or --enable-profile.

Fix ext2fs_sync_device() so it returns the proper error code if the BLKFLSBUF ioctl fails for some reason.

Fix a potential crash in tune2fs when enabling project quota when the file system has no inodes by fixing error handling in the quota_write_inode() in libsupport.

Fix a bug in debugfs's "ls -p" handling which could cause it to print garbage after a file name in a directory entry.

Fix a number of bugs in debugfs, dumpe2fs, e2fsck, tune2fs, and resize2fs where a carefully/maliciously corrupted file systems (found by American Fuzzy Lop) could these programs to crash or hang. (Addresses Debian Bug #868489)

E2fsck no longer issues some harmless bitmap warnings caused by a corrupted file system; since those corruptions will be fixed up by e2fsck later, there's no point issuing these internal warnings.

E2fsck will now notice invalid quota inode numbers, and offer to fix them.

Fix a regression introduced in e2fsprogs 1.43 which broke mke2fs's hugefile creation so that they aren't contiguous. (Addresses Google Bugs 62791459 and 638037607)

Fix how backup superblocks are written in big endian systems so they are all correctly byte swapped.

Fixed tune2fs's support for enabling and disabling project quota.

The badblock program now properly handles languages which have multi-column wide character such as Chinese. (Addresses Debian Bug: #860926)

The mke2fs -U option now accepts "null", "clear", "random", or "time" just as tune2fs's -U option.

Fix e2fsck's -E bmap2extent feature (which converts a file to use extents from indirect block maps) so that it handles sparse files correctly.

Fix libext2fs to correctly handle accounting for an external xattr block on bigalloc file systems.

Fix e2fsck to correctly handle quota accounting when deleting files that have multiply-claimed blocks pass 1b.

Fix potential buffer overrun bug in e2fsck when using 128 byte inodes. (Addresses Google Bug 37326362).

E2fsck's extent tree optimization can now be disabled via an command-line extended option or via an e2fsck.conf configuration parameter.

The e2fsck program now properly updates the quota accounting when optimizing the extent tree. (Addresses Google Bug 36391645)

Fix some error handling in e4crypt when operating on keyring ID's.

Fix e2fsck's quota handling when the bigalloc feature is enabled.

The libext2fs file system now uses readahead when opening file systems to speed up opening very large file systems with the meta_bg option.

If e2fsck logging is enabled, e2fsck will report the exit code in the last line of the log file.

Debugfs can now open file systems with a bad superblock checksum, and the show_super_stats command will print the expected checksum.

Fix a regression introduced in e2fsprogs 1.43.4 where tune2fs was not able to correctly enable the quota feature. (Addresses Debian Bug #855417)

E2fsck will only return an exit status code of 1 if it has fixed a file system corruption. If it only performed an optimal optimization of internal file system metadata, it will now return 0.

Fix e2fsck so it won't check inode fields of deleted inodes. This was mostly harmless, but the addition of a check in 1.43.4 to enforce the requirement that inline data inodes have a system.data attribute caused a regression in xfstests generic/079. Fix this and a number of other checks which could lead to false positive reports of file system corruption.

Removed a debugging printf in libsupport which could result to some extraneous and confusing output if the user specifies a quota type.

The debugfs logdump command now accepts a new -S option which will cause it to print information about the journal superblock.

Added a missing space in debugfs's ls -l output to separate the size and date fields.

Update the Czech, Danish, Dutch, French, Hungarian, Polish, Serbian, Spanish, Swedish, Ukrainian, and Vietnamese translations.

Update various man pages. (Addresses Debian Bugs #867895 and #865584)

Fix various compiler and UBSAN warnings.

Fixed various Debian Packaging Issues. (Addresses Debian Bugs #864144 and #866623)

Programming notes

The blkid library can now recognize exfat file systems.

Add new test, j_recover_csum3_64bit, which checks to make sure we correctly recovering 64-bit journals using the v3 checksum format.

Fix portability assumption in tests; don't depend on the existence of /dev/stdin.

Fix portability with newer versions of glibc and with Cygwin builds on Windows 8 and Windows 10.

Clean up the comments in problem.c match the message that will actually be printed.

Removed an unused an obsolete header file.

E2fsprogs 1.43.4 (January 31, 2017)

Fix e2fsck to require that the system.data extended attribute is always present even for files smaller than 60 bytes, to be consistent with the kernel.

Fix a bug which was causing mke2fs -d and fuse2fs to improperly handle Posix ACL's.

Fix a bug which could cause mke2fs -d to fail if there is an zero-length file in source directory tree.

Clarify the default for the "proceed?" question printed by mke2fs and tune2fs. (Addresses Debian Bug: #852727)

Debugfs will now display project quota information.

Debugfs's do_set_xattr now uses C strings to parse extended attribute values, and will print the extended attributes using either C strings or hex bytes when using debugfs's do_get_xattr command. It will now allow developers to see the contents of the system.data extended attribute.

Fix a bug in mke2fs where I/O errors weren't getting properly reported to the user.

Fix multiblock writes in the unaligned Direct I/O fallback code. (Which is rarely needed on Linux systems, but which is required on Freebsd systems.)

Make sure the default mke2fs.conf file includes the uninit_bg feature flag. (Which was accidentally dropped in v1.43).

Fix a bug in resize2fs when operating on very large file systems which have a block size different from the VM page size.

If the reported device size is absurdly large, mke2fs will now report an error instead looping forever or crashing.

Fix various Coverity warnings and other memory leaks in fuse2fs and extended attribute manipulation functions.

Replace a test file but which had a "non-commercial use-only" copyright permission file with a newer version from the Cyrus imapd package which now has a 4-clause BSD license, which was making some lawyers nervous, even though the test file in question was only used in lib/et's regression testing and was never included in any compiled binary. (Addresses Debian Bug: #840733)

Stop installing mkfs.ext4dev and fsck.ext4dev

Update Chinese, Czech, Polish, Serbian, and Spanish translations and add the Finnish and Malay translation. (Addresses-Debian-Bug: #774379)

Update various man pages (Addresses-Debian-Bug: #852726)

Programming notes

Fix more FreeBSD-11 compatibility bugs, including some unmasked by FreeBSD 11-rc2.

Fix the Mac build.

Fix build failure on RHEL 5.x systems caused by an old version of libmagic.

Fix a number of bugs reported by ASAN that can cause some (mostly harmless) memory dereferences beyond allocated memory.

E2fsprogs 1.43.3 (September 4, 2016)

Fix e2fsck's handling of timestamps on 32-bit systems.

E2fsck will now check, and if necessary repair the extra isize fields in the inode and superblock.

Fix crashes on architectures such as sparc64 that are sensitive to unaligned pointer dereferences in the journal recovery code when journal checksums are enabled.

Programming notes

Support reproducible builds by not capturing the build directory into the mk_cmds and compile_et scripts. Also fix debian build rules to ensure build reproducibility.

Fix debian build rules to ensure build reproducibility and to avoid hiding the linker flags for e2fsck.static so the build hardening log scanner can properly audit the build.

Fix compatibility with FreeBSD's pmake and teach the configure script to force the creation of pmake-compatible Makefiles if the FORCE_NATIVE_MAKE environment variable is set to a non-empty value.

E2fsprogs 1.43.2 (September 1, 2016)

Fix resize2fs so it will not crash if there is an extended attribute block but it doesn't need to migrate any blocks during an off-line resize

Fix a crash when mke2fs or debugfs tries to copy in a directory hierarchy containing an empty directory

Mke2fs will now use a larger journal by default for filesystems greater than 128 GB. (1GB instead of 128 MB.)

Fix an alignment bug in e2fsck which caused sparc64 architectures to crash when replaying the journal on file systems with a 64-bit block number.

Clarify the message printed by tune2fs message when the user needs to run e2fsck so it's clear that the -f flag to e2fsck is needed to force a full e2fsck scan. (Addresses Debian Bug: #828022)

Fix a bug in e2fsck caused by a power failure during e2fsck's journal replay could leave the file system in a state where if the file system is mounted without doing a full e2fsck scan, the file system could get corrupted

Fix the logic in e2fsck which decides when to repair legacy negative timestamp encodings.

Add a command to debugfs to copy the inode structure from one inode to another.

Fix a typo in debugfs's stat command when printing out the dtime field on file systems with an extended timestamp.

Fix big endian bugs in the e2undo program. (Addresses Red Hat Bug #1344636)

Debugfs's logdump can now properly handle journals larger than 2GB.

Avoid installing the man page for fuse2fs if it has not been built.

Update the Catalan, Chinese, Danish, Dutch, French, German, Polish, Swedish, Ukrainian translations and added new translations for Hungarian and Serbian.

Programming notes

Fix portability problems in fuse2fs. Previously it wouldn't build on systems with older glibc versions where clock_gettime() is only available in the librt library, and if libintl is not bundled into the C library.

Remove complicated logic which caused a static code analyzer to flag a false positive. (A static code analyzer also found a valid bug in deciding when to repair a legacy negative timestamp encoding, so eliminating false positives is important.)

Fixed a bug where the ext2fs library cloud provoke when a extfs2_zero_blocks() is used (via fallocation, initializing a file system, uninitialized uninitialized inode table blocks) after a different file system which also used ext2fs_zero_blocks().

Enable the unix_io manager in the ext2fs library so it can accept the use of a file descriptor. This is helpful in cases where the file descriptor comes from temporary file created using O_TMPFILE, or passed in from a unix domain socket.

Fix a Windows64 portability bug.

E2fsprogs 1.43.1 (June 8, 2016)

Fixed e2fsck so that it would correctly update the project quota usage when deleting a corrupted and inode, and fixed mke2fs so it wouldn't dereference memory beyond the small inode structure (which was wrong, but worked mostly by accident unless hardening or some security malloc was in use).

Fixed a large number of FreeBSD portability problems. (To build on FreeBSD, however, we still need to use GNU Make and redirect dd to use GNU dd.)

The configure script now supports --enable-hardening, which enables stack protection, fortify, read-only relocation tables, immediate dynamic symbol binding, and text segment ASLR (if the kernel has userspace ASLR support enabled) by enabling position independent executable code. (Distributions who want to do their own special thing can set CFLAGS, CFLAGS_SHLIB, CLFAGS_STLIB, LDFLAGS, LDFLAGS_SHLIB and LDFLAGS_STATIC as appropriate.)

The configure script now supports --disable-tdb since on 64-bit systems, it's much faster to just enable additional swap space. The scratch_files feature in e2fsck.conf is mostly only useful on 32-bit systems.

Fixed the Direct I/O fallback codepath in the Unix I/O manager so that read/modify/write worked correctly. Fortunately in practice (with the exception of the Undo handler when running on FreeBSD) used this buggy codepath. so file systems weren't getting corrupted.

Mke2fs will now warn if the user provides a label which is too long. (Addresses Debian Bug: #791630)

Debugfs's rdump command now works correctly when dumping the root directory of a file system. (Addresses Debian Bug: #766125)

Fixed a bug in debugfs so it would correctly calculate a block group's checksum field field on 64-bit systems.

E2fsck now has a much more understandable error message when the journal superblock is corrupt and the user declines to fix it. (Addresses Debian Bug: #768162)

Fixed support of extended timestamps on 64-bit systems.

Updated/fixed various man pages. (Addresses Debian Bugs: #766379, #761144, #770750, #428361, #766127)

Fixed various Debian Packaging Issues. (Addresses Debian Bug: #825868)

Programming notes

Fixed coverity, sparse, gcc -Wall, and clang warnings/nits.

Fixed Android build makefiles (which was missing a newly added file in lib/support).

In general, checks on s_creator_os have been removed in favor of feature flag specific checks; if there is something that can't be checked via the presence of a feature flag, we will simply check whether the creator OS is *not* EXT2_OS_HURD which is the one operating system where there has been extensive abuse of the s_creator_os flag.

The libmagic library has been suppressed when running the regression test suite to avoid false test failures caused by differences between versions of libmagic (and/or the magic number database).

The tests/test_script program now accepts the --failed option, which will run those tests that had previously failed.

Fixed tests build on those systems which require LDFLAGS to be set.

Fixed the regression test suite so it will properly filter out version numbers with two components (such as 1.43) from log files before comparing them with the expected golden output.

E2fsprogs 1.43 (May 17, 2016)

KNOWN BUG: "make check" will have many spurious failures in the tests directory. The fix can be found at: https://git.kernel.org/cgit/fs/ext2/e2fsprogs.git/commit/?id=e7d848266a224cc1ed3c74c6746b5c779a5f55ce

Add support for the ext4 metadata checksum, checksum seed, inline data, encryption, project quota, and read-only features.

Support for the very old, experimental, and never-added-to-mainline compression feature has been removed.

Mke2fs will now create file systems with the metadata_csum and 64bit features enabled by default.

The mke2fs program will now support multiple -O options (instead of just ignoring all but the last -O option).

Mke2fs will now correctly determine the size of a file system and handle the discard operation correctly when the "-E offset=NNN" is used. (Addresses Debian Bug: #803629)

The tune2fs program will ask the user for confirmation before starting dangerous operations if the terminal is available, and it will replay the journal if necessary.

Add an ext2/3/4 FUSE server

Debugfs can now modify extended attributes and journal transactions.

Debugfs now can properly display and set extended timestamps.

E2fsck will offer to fix extended timestamps that were incorrectly encoded by older kernels.

Fix miscellaneous MMP bugs in debugfs.

Fix sparse_super2 bugs in mke2fs and resize2fs.

Fix or improve offset support in mke2fs, e2undo, and libext2fs.

The resize2fs command can now convert file systems between 64-bit and 32-bit mode.

Fix potential out-of-bounds memory access in resize2fs when doing a large off-line file system grow operation.

We now use a new e2undo file format which is much more efficient and faster than the old tdb-based scheme. Since it so much faster, e2fsck, tune2fs, debugfs, and resize2fs now also can support using creating an undo file.

The mke2fs command can now set the error behavior when initializing the file system (so the administrator doesn't have to issue a separate tune2fs -e command).

Teach mke2fs to parse a human-readable argument for -i option.

Teach mke2fs to automatically handle creating file systems > 500T by automatically enable the meta_bg feature.

Mke2fs will now prompt for user verification before rewriting a file system's superblock using the -S option.

Mke2fs no longer complains if the user tries to create a file system using the entire block device (e.g., without using a partition). The minor number convention is not used by all block devices, and it's quite normal in some circumstances to create a file system on /dev/sdc instead of /dev/sdc1.

Fix an "mke2fs -d" bug which could create inodes with invalid extended attribute blocks

E2fsck is now much more paranoid about not freeing or corrupting critical metadata blocks, such as inode table blocks, even if corrupted indirect blocks or extent trees point at these blocks.

E2fsck now prints block ranges in pass1b instead of listing all of the blocks exhaustively.

E2fsck will try to expand the root directory if the lost+found can't be linked to the root directory. Also, offer to use the root directory if lost+found can't be created.

E2fsck is now more paranoid handling corrupted extent trees as well as corrupted journals.

E2fsck can now rebuild extent trees, either (a) to optimize them, (b) to recover from a corrupted extent tree, or (c) to convert block-mapped inodes to use extents.

E2fsck now has a readahead mechanism which can significantly speed its performance, especially on RAID arrays.

E2fsck now has a "yes to all" option which the user can give if she is tired of answering 'y' to a very large number of questions.

E2fsck will now ignore the badblocks inode if the contents of the badblocks inode indicate that the portion inode table containing the badblocks inode is bad. (We must go deeper...)

E2fsck can now correctly fix directory with holes on bigalloc file systems.

E2fsck will now check for extent mapped inodes with no extent header and clear them if found.

E2fsck now checks to make sure the extended attribute header doesn't result in the xattr extending beyond the bounds of the inode

Fixed a bug in e2fsck to avoid overrunning a buffer containing jbd2 revoke records if the journal is corrupted.

Fixed a bug in e2fsck which could cause it loop forever if a special inode has too many invalid block mappings.

Fixed a bug in e2fsck which could cause pass1b/c/d processing to get confused if an attempt to allocate a block can't find any free space in the file system.

E2fsck will no longer try to force rewrite blocks located beyond the file system.

The e2fsck program will no longer update the quota inodes when it is interrupted.

Fix a bug which in rare cases would cause e2fsck -fD to corrupt an extent-mapped directory.

Fixed a bug in resize2fs which could lead to resize2fs crashing or a corrupted file system if the file system is almost completely full when trying grow a file system and we need to allocate blocks to grow the block group descriptors.

Fixed a bug in resize2fs which could cause it to get fooled trying to determine the RAID array's stride when flex_bg is enabled.

Fix resize2fs bug that could leave block allocation bitmaps uninitialized.

The dumpe2fs output has been improved so it is cleaner and always fits within 80 columns. Also added a more easily machine-parsable output of dumpe2fs.

The mke2fs program can now pre-populate a file system from a directory hierarchy using the -d option.

The mke2fs program now skips zeroing inode table blocks if they were already zeroed using the discard feature.

Check to make sure file system features which can not be supported by HURD are not enabled if the file system is created to be HURD-compatible.

Added a new e2fuzz command that will fuzz an ext4 image for testing purposes.

The debugfs logdump command can now deal with 64-bit revoke tables correctly. Also, "logdump -O" will print the old log contents (before the journal was replayed).

The debugfs bmap command can now be used to set or allocate a physical block.

Fixed a bug so "filefrag -B -e -v" does not return a separate entry for each block.

The filefrag program now accounts for holes in sparse files created by the file punch operation as an expected/optimal mapping.

The file I/O functions now correctly handle inodes containing uninitialized blocks.

Fix a bug in tune2fs so that removing uninit_bg feature on a bigalloc file system won't result in corrupted block bitmaps.

Updated/fixed various man pages. (Addresses Debian Bug: #798425)

Programmer's Notes

Fixed coverity, sparse, gcc -Wall, and clang warnings/nits.

Added Android build files so that e2fsprogs can be built in the Android source tree.

Reduce the use of libc functions in libext2fs that may not be present in the boot loader environment, at least for those functions that are needed by boot loaders such as yaboot.

Developers can now override the debugging and optimization flags by redefining the CFLAGS makefile macro.

The libext2fs library now has support for fallocate.

The mke2fs command will now ask the user for confirmation if block device or image file contains an existing file system image, and stdout and stdin are connected to a tty.

The libext2fs library now picks a more intelligent goal block when doing block allocations.

The libext2fs library will now automatically set the BLOCK_UNINT flag if all of the blocks in a block group are free, to speed up future e2fsck and dumpe2fs operations on the file system.

Add two new functions ext2fs_new_range() and ext2fs_alloc_range() to libext2fs.

The ext2fs_zero_blocks() command will use FALLOC_FL_ZERO_RANGE for file-based images.

The ext2fs_bmap() function supports new flags BMAP_UNINIT and BMAP_ZERO.

The ext2fs_new_block2() function will now call the alloc_block hook before checking fs->block_map.

Support for the MMP feature can now be disabled at compile time.

Added support to manipulate extended attributes to libext2fs.

Added a lot of new regression tests.

Added endian annotations so it's possible to scan e2fsprogs for endian problems using a static code analyzer.

Fixed memory leaks in libext2fs.

The e2fsck jbd2 handling code has been resynced with the 3.16 kernel. There is now a script in the contrib directory which automates most of the resync process.

The build system will now run cppcheck (a static code analysis tool) via "make C=1"

E2fsprogs 1.42.12 (May 17, 2015)

Fixed a potential buffer overflow while closing a file system in libext2fs. (CVE-2015-1572, Addresses Debian Bug: #778948)

Fixed a bug which could cause e2fsck to corrupt Hurd file systems. (Addresses Debian Bug: #760275)

Fixed a deadlock which occurs when using systemd and e2fsck.conf's logging feature. (Addresses Debian Bug: #775234)

Fixed a bug which could cause programs using libext2's inode table scanning functions from crashing on certain corrupted file systems. (Addresses Debian Bug: #773795)

Fixed dumpe2fs so it won't crash if the user doesn't specify a block device (file system). (Addresses Debian Bug: #764293)

Fixed e2fsck so if it notices unexpected HTREE blocks in pass 2, it will report the correct directory inode containing the inconsistency.

If e2fsck fails to grow the dir_info structure due realloc(3) not having enough memory, it will now fail with explanatory message instead of staggering on failing with a confusing internal error messages.

The tune2fs program will zero out the superblock journal backup information when removing a journal from a file system.

The mke2fs program now enables the large_file feature by default.

Fixed a bug which could cause badblocks to crash if there are millions and millions of bad blocks.

Fixed some use-after-free bug in resize2fs and e2fsck.

Fixed a memory leak in tune2fs.

Fixed some bigendian bugs that had crept into both indirect and extent handling inside libext2fs.

Updated/fixed various man pages.

Update Esperanto, German, and Spanish translations. Added Danish translation.

Programmer's Notes

Fixed coverity, sparse, gcc -Wall, and clang warnings/nits.

Clean up some build system problems (build failures with various configure options, fix Posix portability issues, etc.)

The functions ext2fs_inode_alloc_stats[2]() and ext2fs_block_alloc_stats[2]() now check the inode and block numbers passed to them, to avoid crashes caused by buggy callers.

The libext2fs directory iterator will now check for an invalid directory entry length instead of possibly walking off the end of the directory buffer.

E2fsprogs 1.42.12 (August 29, 2014)

Fix various e2fsck bugs when trying to repair bigalloc file systems.

E2fsck can now repair a file system with an overly large s_first_meta_bg field, which had previously caused all e2fsprogs programs to crash when trying to open such a file system.

Fix e2fsck so that it can correctly fix a number of rare file system corruptions that were discovered when using a file system fuzzer.

Fix e2fsck so it does not try to write back block group descriptors if they have not been modified.

Mke2fs program will now place metadata blocks in the last flex_bg so they are contiguous. This reduces free space fragmentation in a freshly created file system, as well as allowing mke2fs commands which request extremely large flex_bg size to succeed.

Mke2fs now creates hugefiles more efficiently (with fewer extent tree blocks).

Fix a 32/64-bit overflow bug that could cause resize2fs to loop forever. (Addresses-Launchpad-Bug: #1321958)

The resize2fs program will now use much less memory when resizing very large file systems.

Fix a bug which could cause resize2fs to get confused and produce a corrupted file system when shrinking a file system that had been previously expanded and converted to use the meta_bg file system format, but which no longer needs to use the meta_bg file system format any longer. This typically happened with large (> 16TB) file systems. (Addresses Debian Bug: #756922)

The e4defrag program will now defrag backwards-allocated files.

Fix tune2fs updating UUID's when manipulating file systems with external journals (both the file system and journal UUID).

Fix tune2fs so it can remove an external journal for file systems with a 1k block size.

Add a new debugfs command, "inode_dump", which prints the inode in hex and ASCII format.

The debugfs's "set_inode_field" will now automatically allocate blocks for indirect blocks and extent tree blocks.

Fix debugfs's "set_inode_field" so can properly handle "block[IND|DIND|TIND]".

The debugfs "rdump" command will now take multiple source arguments.

Fixed a double close(2) bug in "rdump" and "rdump -p".

Fix debugfs's argument parsing for the freefrag command.

Fix filefrag to properly handle using the FIBMAP ioctl (with -B). (Addresses Launchpad Bug: #1356496)

Clarified messages that were confusing users in debugfs, e2fsck, mke2fs, and resize2fs (Addresses Debian Bugs: #758029, #757543, #757544)

Dumpe2fs will now complain if extra arguments are given to it. (Addresses Debian Bug: #758074)

Updated/fixed various man pages. (Addresses-Debian-Bug: #726760)

Update Czech, Dutch, French, Polish, Spanish, Swedish, Ukrainian, and Vietnamese translations.

Programmer's Notes

The Unix I/O layer will now use pread[64]/pwrite[64] to reduce the number of system calls issued.

Fixed profiled build.

The libext2fs library will now more efficiently split an extent tree index block when appending to an end of a file.

Fixed free block accounting for 64-bit file systems.

Add a new function ext2s_inode_size_set() which takes care of all of the required feature flag modifications.

The regression tests no longer require the presence of the md5sum program.

Fix build failure on MIPS platforms on Debian (Addresses Debian Bug: #754605)

Fix various Coverity warnings (#1225003, #1229243, #1252003)

E2fsprogs 1.42.11 (July 9, 2014)

Add support so that mke2fs can create hugefiles so that they are aligned relative to the beginning of the disk, instead of relative to the beginning of the partition, using the mke2fs.conf configuration parameter "hugefiles_align_disk".

Fix a bug which causes e2fsck to abort a journal replay on a file system with bigalloc enabled. (Addresses Debian Bug: #744953)

Add sanity checks so that mke2fs will refuse insanely large flex_bg counts specified by the -G option. Insanely large flex_bg sizes can result in a file system which can't be unmounted, or with extremely pessimal metadata layouts.

The mke2fs program will provide a better metadata layout for moderately large (but believable) flex_bg counts, such as 133,072.

The mke2fs program will also check the kernel version number to determine whether the lazy_itable_init option is supported, so that lazy inode table initialization can be used even if the ext4 is compiled as a module which isn't loaded at the time that mke2fs is run.

Add description of ext4's mount options to the ext4 section 5 man page.

Improve the chattr man page and clean up the chattr usage message.

E2fsck will now automatically fix a last mount time or last write time which is in the future in preen mode, instead of aborting the fsck check.

Mke2fs will now check the file system revision number requested by the command line, and reject it if it is too large. A file system with an unsupported revision number will not be accepted by any of the other file system tools, and this command line option is rarely used, so let's try to help the user not shoot their own foot off.

The debugfs program can now set the error count and associated first_error and last_error fields in the superblock using the set_super_value command.

Resize2fs will not try to calculate the minimum size of a file system if it contains errors. Otherwise a very badly corrupted file system image can cause the minimum size calculation to loop forever. Since resize2fs will not allow a file system marked as containing errors to be resized. It's pointless to calculate the minimum size, so just skip it.

Fixed a typo in one of mke2fs's error message.

If filefrag runs into an error, it will continue processing the rest of the files specified on the command line, but then exit with an error code.

Filefrag now prints some additional new flags (such as FIEMAP_EXTENT_ENCODED), and print unknown flags as hex values.

Fixed support in filefrag for files with > 2**32 blocks on 32-bit platforms.

Fixed a file descriptor leak in debugfs when copying files.

Fixed a regression introduced in 1.42.10 which caused mke2fs to fail to create file systems larger than 2GB on 32-bit platforms. (Addresses Red Hat Bugzilla: #1099892, Debian Bug: #752107)

Add Esperanto and Ukrainian translations, and update Czech, Dutch, French, German, Italian, Polish, Swedish, and Vietnamese translations.

Fixed various compiler warnings.

Programmer's Notes

The gcc "-checker" option has been long deprecated, so remove support from e2fsprogs. It was causing a few people to be confused when they tried enabling the configure option.

Update to the latest version of the config.status and config.rpath files, as well as newer versions of the autoconf files in aclocal.m4. Also, move the e2fsprogs-specific macros to acinclude.m4, which allows people who want to use autoreconf to do so.

Make the use of strptime() function in debugfs to be more portable to fix regression test failures for FreeBSD and MacOS.

A few miscellaneous changes designed to make life easier for translators.

Fix the f_quota test and some Makefile dependencies if quota support is not enabled.

Fix cross-compilation support, which got broken in 1.42.10. (Addresses Debian Bug: #753375)

Delete lib/ext2_types.h on a make clean, and build it as necessary.

Add a debug program used for libext2fs unit tests.

Clean up the tests so that it avoids using GNU-specific behaviour in mktemp. Make sure the temporary files are cleaned up if the tests are interrupted.

Add a new ext2fs_close_free() helper function which automatically takes care of freeing the ext2_filsys structure even if ext2fs_close() returns an error.

E2fsprogs 1.42.10 (May 18, 2014)

Mke2fs now creates file systems in regular files (which is very often used when maintaining virtual machine images) without requiring the user to use the force option. In addition, the mke2fs output has been made much less verbose and only displays information that users will be more likely to find useful by default.

Mke2fs now will ask the user to confirm that they want to continue before wiping out a pre-existing file system, partition table, or LVM physical volume.

Mke2fs now has the ability to create file systems where all the metadata is located at the very beginning of the device. This can be useful for flash devices which have SLC flash at the beginning of the disk, for FAT compatibility, for example. As part of this, mke2fs and tune2fs can control the location of the data blocks used by the journal inode. In addition, the new sparse_super2 feature allows for even fewer (anywhere from zero to two) backup superblocks.

Mke2fs now uses much less CPU when allocating the blocks used for very large file systems.

Mke2fs can now support creating a file system at an offset. This can be useful when creating a disk image for virtual machines (Addresses Debian Bug: #497984)

Previously, e2fsck had a number of very serious bugs when checking a file system which used the new the quota file system option (where the quota inodes were stored in hidden inodes) and the quota inode was inconsistent with the actual usage data. This problem was documented in https://ext4.wiki.kernel.org/index.php/Quota. These problems have been fixed in 1.42.10, so the quota should be safe to use with e2fsprogs 1.42.10.

Fixed in a bug in resize2fs which could cause shrink operation fail in the unlikely situation when the inode table needs to be moved to a location before the current location.

Resize2fs now has a much more accurate (and less conservative) estimation of how far the file system can be shrunk. This allows a mostly empty filesystem which is a few terabytes, to be shrunk to a few megabytes in a single resize2fs -M operation.

E2fsck will now force a full file system check if there are any file system inconsistencies detected in the super block.

The filefrag program will now display the shared extent flag, which is used by file systems such as btrfs.

If the number of inodes in the file systems is larger than the time that file system was created (as measured by the number of seconds since January 1, 1970) e2fsck would print a scary (but otherwise harmless) warning of file system corruption for each inode in the orphan list. This false positive has been fixed.

The e4defrag program has been fixed so it will no longer refuse with filesystem with the 64-bit or the bigalloc feature enabled.

The logsave program will print a much less scary message which could lead users to believe something has gone very wrong with e2fsck exits with a non-zero exit status (since this is normal after e2fsck has automatically fixed a file system corruption during a preen operation). (Addresses Debian Bug: #468821)

When creating a file system which is larger than 16TB, the resize_inode option must be disabled -- since the resize_inode simply doesn't support reserving metadata block numbers which is larger than 32 bits. The mke2fs program does this automatically if the file system size is determined automatically. It will now also do this if the file size is specified explicitly.

Fixed bugs associated with resize2fs and shrinking bigalloc file systems.

The e2fsck program will no longer try to add a UUID on a mounted file system with checksums enabled, since this could leave the file system checksums broken.

Tune2fs will allow the removal of an external journal from file system which is marked as needing the journal replayed when the force ("-f") option is given twice. (Addresses Debian Bug: #559301)

Tune2fs will no longer support enabling sparse_super if the meta_bg file system feature is enabled, since it could result in data loss. In practice, all modern file systems have sparse_super is enabled, so it's not worth trying to change how tune2fs handles enabling the sparse_super feature.

Fixed support for 1k block file systems with the meta_bg feature.

When the superblock is corrupt, e2fsck can't figure out the location of the alternate superblock. Unfortunately, the routine that calculates the location of the alternate superblock uses 8193 if it can't figure this out, so the message printed by e2fsck always suggests using "e2fsck -b 8193". This message has been fixed to suggest both the superblock location of 8193 and and 32768. (Addresses Debian Bug: #719185)

The lookback mount detection code that was introduced in 1.42.9 wasn't actually compiled in due to an autoconf oops, so it's fixed now in 1.42.10. (Addresses Debian Bug: #497984)

A bug introduced in 1.42.9 would cause debugfs to print two error messages if it found an error while parsing a user-supplied block number. This has been fixed in 1.42.10.

Update Czech, Dutch, French, German, Polish, Spanish, Swedish, and Vietnamese translations. (Addresses Debian Bug: #703048)

Updated/fixed various man pages. (Addresses Debian Bugs: #719189, #719184)

Fixed various Debian Packaging Issues. (Addresses Debian Bug: #718725)

Programmer's Notes

Fixed a lot of coverity, sparse, gcc -Wall, and clang warnings/nits.

Allow the location of pkg-config files to be specified independent of the libdir location via a makefile variable.

Fixed parse-types.sh not to complain when cross-compiling and the sizes of types are different between the target architecture and the architecture of the build system

Allow the regression test suite to work correctly on systems which do not have the "truncate" or "mksawp" programs.

Allow e2fsck to build correctly on systems (such as Android) that do not have the signal.h file.

E2fsprogs now has code coverage testing which can be enabled using "configure --enable-gcov".

The libe2p.h header file can now be used included by C++ programs.

The profile/config file used by e2fsck and mke2fs will interpret numbers with a leading 0 character to mean that they should be interpreted as an octal integer.

The extent handling functions in libext2fs have been improved so they have proper rollback when there is an error splitting an extent. Also fix a number of bugs when punching holes in files, and fix an off-by-one bug when inserting an extent into an empty inode.

The libext2fs library now handles the support of BLOCK_UNINIT by clearing the portion of block bitmap when it is loaded, instead of when it is used. This reduces the chances of bugs, and and simplifies the code. It also means that debugfs will properly show that blocks in uninitialized block groups as being unused when using the testb command.

The e4defrag program will try to use fadvise64 or posix_fadvise64() if it is present, which allows 64-bit offsets on 32-bit systems.

E2fsprogs 1.42.9 (December 28, 2013)

Mke2fs will detect an attempt to create a file system on a loop mounted file and complain without the -FF option. Also fixed mke2fs so it allows the creation of a file system on a mounted device with two -F options, as documented in the man page, instead of three -F options.

Fixed a large number of bugs in resize2fs, e2fsck, debugfs, and libext2fs to correctly handle bigalloc and 64-bit file systems. There were many corner cases that had not been noticed in previous uses of these file systems, since they are not as common. Some of the bugs could cause file system corruption or data loss, so users of 64-bit or bigalloc file systems are strongly urged to upgrade to e2fsprogs 1.42.9.

The tune2fs program will now not allow changing the uuid on a mounted file system which has the uninit_bg feature enabled. This avoids a nasty race where the kernel and tune2fs are both retrying rewrite the group descriptors at the same time, with different ideas about what the UUID should be.

When e2fsck is rehashing an extent-mapped directory, it's possible (although very rare) that an extent block will need to be allocated; fix e2fsck to make sure that the block gets marked as used.

Mke2fs will now properly set the LARGE_FILE feature when creating a journal >= 2GB --- which can happen when using 64k block size.

Fixed debugfs so that its freei command will correctly handle a request to free a range of consecutive inodes.

Fixed 2fsck so it will not erroneously complain that an external journal is invalid if it is exactly 2**32 blocks.

Fixed e2fsck so it won't try checking for, and adding, a missing lost+found directory when running in read-only mode.

Fixed e2image to avoid some buffer overruns which would cause it to when creating a standard (non-raw, non-qcow2) image file. Standard e2image files are actually very rarely used, so we didn't notice when the changes to enable the qcow2 format broke this e2image mode.

Fixed mke2fs so that the extended option "-E resize=NNN" will not turn on the resize_inode feature when the meta_bg feature is set, since these two features can not be set at the same time.

Fixed tune2fs so that when it disables the quota feature, it updates all of the backup superblocks.

Fixed dumpe2fs that would cause it to abort when run using an image file when trying to print the journal information (which is not present in an e2image created image file).

Fixed a potential integer overflow in e2reefrag. (Addresses-Debian-Bug: #718205)

Enhance debugfs so that when copying a sparse file from a native file system into the file system image using the "write" command, it will create a sparse file into the destination file system.

Enhanced debugfs so it can support a command line which is up to 8k long.

E2image will refuse (unless the -f option is specified to force the issue) to create a raw or qcow image using a mounted file system, unless the -f option is specified to force the issue.

E2image has been optimized for using it to efficiently copy a file system by only copying the allocated blocks, by using the options -ra. New options (-o and -O) have been added so that a source and destination offset can be given. The -p option will print progress information so the user will know how far along the copy is going. And finally, the new option -c is useful for updating a file system on an SSD, by avoiding unnecessary writes. E2image can also shift a file system image by doing an in place move.

Fix a regression introduced in 1.42.8 which would cause e2fsck to erroneously report uninitialized extents past the EOF (as determined by i_size) to be invalid.

Fixed resize2fs so under a corner case when an inode has a complex extent tree, it will not corrupt an interior node in the extent tree.

Fixed resize2fs which would sometimes corrupt a file system when shrinking a file system to a minimum size using resize2fs -M. (Addresses Debian Bug: #660793)

Fixed resize2fs so that it will relocate inode table blocks if this becomes necessary when shrinking the file system.

Fixed resize2fs and e2fsck so they will not crash when hit a failure while operating on a file system with the MMP feature enabled.

Fixed a bug in debugfs which caused it create an invalid inode when trying to write a zero-length file.

E2fsck will no longer crash if it tries to delete an invalid extent-mapped symlink.

E2fsck will no longer crash if it comes across an directory which is larger than 2GB (which is not allowed in valid file systems).

Fixed debugfs's help texts to fully document all options and otherwise be more helpful.

Updated/fixed various man pages. (Addresses Debian Bugs: #586218, #669730, #698076)

Fixed various Debian Packaging Issues (#698879, #721365)

Programmer's Notes

Fix sparse, gcc -Wall and clang nits.

Update config.{guess,sub} to the latest version

Fixed various memory and file descriptor leaks on various error paths, as well as some missing error return checks, which were found using Coverity.

Run sparse against source files when building e2fsprogs with 'make C=1'. If instead C=2, it configures basic ext2 types for bitwise checking with sparse, which can help find the (many many) spots where conversion errors are (possibly) happening.

Allow the regression test to be run in chrooted environments where /etc/mtab might be missing.

The ext2fs_punch() function, which was introduced in 1.42, was broken in many ways, but this was never noticed since it wasn't used for anything significant. Some of the bugs include failing when trying to punch a completely sparse file, failing when punching an extent-mapped inode when the starting block was at the beginning of the inode, and not being able to punch a single block (where start_blk == end_block). It also didn't handle being passed an invalid, too-large ending block number, and didn't handle properly terminate at the right place when operating on an indirect-mapped inode.

Fixed some minor typo's in the error catalog for libext2fs.

Fixed ext2fs_file_set_size2() so that if it truncates an inode by setting the file size, to zero the rest of the block to the end of the file, so that if an ext4 FUSE driver tries to extended the file, that we don't avoid stale data from being returned.

Fixed ext2fs_bmap() to disallow clients from trying to map or set logical blocks which are larger than what an extent-mapped or indirect block-mapped inode can allow.

If debugfs (or some userspace program using libext2fs) creates a file which is larger than 2GB, make sure the large_file feature flag gets set.

Fix a bug in ext2fs_link() where if there is multiple empty slots in the directory which are large enough, the directory entry could get inserted more than once in the directory.

If quota support is disabled (which is the default), make sure that all traces of the quota support is removed from usage messages, man pages, and tune2fs must not be able to enable the quota file system feature. (Addresses Red Hat Bugzilla: #1010709)

The ext2fs_file_write() now updates i_size on a successful write, instead of only updating i_size wen the file is closed via ext2fs_file_close().

Added a shell script, populate-extfs.sh which uses debugfs to populate an ext2/3/4 file system image from a given directory. It is similar to the genext2fs program, but it supports ext3 and ext4 file system.

Add changes to the libext2fs library to support block group descriptors larger than 64 bytes (for future compatibility).

Fixed an off-by-one bug in ext2fs_file_set_size2() so that it will not leave an extra block in the file when truncating the file down to size.

The html version info pages are now built using makeinfo --html instead of the unmaintained and now-obsolete texi2html program.

E2fsprogs 1.42.8 (June 20, 2013)

As a part of mke2fs's option parsing cleanup, the use of the -R option will give a warning that it is deprecated (it has been so documented since 2005) and -E should be used instead.

Mke2fs will not give warnings about the bigalloc and quota options in quiet mode.

If an invalid journal size is given to mke2fs, it will now complain and exit sooner.

Debugfs was erroneously giving spurious error messages for certain extent_inode subcommands which take arguments (split_node, replace_node, and insert_node). This has been fixed.

Fix the parsing of the 's' (sectors) in parse_num_blocks2, which among other programs is used by mke2fs.

Change mke2fs so that it does not set the root directory to the real uid/gid of the mke2fs process. Add the extended option root_owner to override this behavior.

Fix resize2fs when shrinking file systems to make sure that bitmap blocks aren't left outside the bounds of the shrunken file system. This could happen with flex_bg file systems that were grown using the old online resizing algorithm.

E2fsck will now detect and repair corrupted extent trees which contain invalid extents at the end of the extent tree leaf block.

E2fsck will now longer complain about zero length extended attribute values.

Fix a regression introduced in e2fsprogs v1.42 which caused e2image -s to crash.

Add safety check so tune2fs will not attempt to set the inode size to be larger than the block size.

Fix e2fsck so it can check a read-only root file system with an external journal. (Addresses Debian Bug: #707030

Fix off-line resizing of file systems with flex_bg && !resize_inode (Addresses Debian Bug: #696746)

Fix e2image with large (> 32-bit) file systems (Addresses Debian Bug: #703067)

Enhance chattr to allow clearing the extent flag if the kernel allows migrating extent based files to use indirect blocks.

Update German translation.

Updated/fixed various man pages. (Addresses Debian Bugs: #712429, #712430, #707609)

Fixed various Debian Packaging Issues (Addresses Debian Bug #708307)

Programmer's Notes

Use secure_getenv() in preference to __secure_getenv().

Optimize CPU utilization of ext2fs_bg_has_super().

Fix ext2fs_llseek() on 32-bit i386 systems to work correctly when SEEK_CUR is used with large files.

The ext2fs_read_inode_full() function will no longer use fs->read_inode() if the caller has requested more than the base 128 byte inode structure and the inode size is greater than 128 bytes.

Fix build failure with --enable-jbd-debug.

Clean up filtering of outputs for the regression tests by using a common sed script.

Fix gcc -Wall and clang nits.

E2fsprogs 1.42.7 (January 21, 2013)

Add warnings to mke2fs, resize2fs, and tune2fs that the bigalloc and quota features are still under development. For more information please see:

Add some new options to filefrag from Lustre's patches to e2fsprogs:

  • add -k option to print extents in kB-sized units (like df -k)
  • add -b {blocksize} to print extents in blocksize units
  • add -e option to print extent format, even when FIBMAP is used
  • add -X option to print extents in hexadecimal format

Fix resize2fs so that it can handle off-line resizes of file systems with the flex_bg feature but without a resize_inode (or if we run out of reserved gdt blocks). This also fixes a problem where if the user creates a filesystem with a restricted number of reserved gdt blocks, an off-line resize which grows the file system could potentially result in file system corruption.

Fix a resize2fs bug which could cause it to corrupt bigalloc file systems when doing an off-line resize.

Further optimize resize2fs so it doesn't use quite as much CPU when resizing very large file systems.

Fixed 32-bit overflow bugs which could cause resize2fs to fail and possibly corrupt the file system while resizing 64-bit file systems.

Fix a bug in mke2fs where parsing "-E resize=NNN" will result in a mke2fs crash due to a divide-by-zero if the 64bit file system feature is enabled.

Add better error checking to mke2fs to check for invalid parameters when creating bigalloc file system.

When creating bigalloc filesystems, the -g option to mke2fs will now specify the number of clusters per block group.

Add to debugfs the functionality to corrupt a specific file system block via the "zap_block" command.

Add to debugfs the functionality to print out a hex dump of a block in the file system via the "block_dump" command.

Add to debugfs the functionality to manipulate the extent tree directly via the "extent_open" command.

Fixed debugfs's mknod command so that it updates the block group statistics.

Fix e2fsck so it can detect and fix inconsistencies in the interior nodes of an inode's extent tree.

Fix a potential memory corruption failure in e2fsck's error path if the call to ext2fs_open2() fails.

Fix e2fsck if its logging function is enabled in e2fsck.conf, and the resulting file name for the log file is longer than 100 bytes, that it properly handles this situation instead of crashing.

E2fsck will now report the amount of memory that it attempted to allocate when a memory allocation request fails, to make it easier to track down the problem.

Fix mke2fs's handling of the mmp_update_interval option. (Addresses Lustre Bug: LU-1888)

E2image can now include all data blocks in the e2image output file when the user specifies the -a option.

If e2fsprogs is compiled without --enable-quota, make sure that tune2fs can not turn on the feature for new-style quota support, since afterwards, none of the e2fsprogs tools will be willing to touch that file system.

Optimize e2fsck's so that it uses much less CPU for large file systems. This can result in significant speedups, especially on CPU-constrained systems. This was primarily done by optimizing libext2fs's bitmap functions. (Addresses Google Bug: #7534813)

Fix debugfs's htree command so that all its messages are sent through the pager.

Fixed debugfs's "dump_file" and "cat" functions work correctly on file systems whose block size is greater than 8k.

Fix e2freefrag so it works on 64-bit file systems, and so it uses much less memory. (Addresses Google Bug: 7269948)

Update the spd_readdir.c file in the contrib directory to include some additions which were made in 2008 that didn't get folded into the version which we checked into the e2fsprogs source tree. These enhancements include thread safety, support for readdir64_r(), and safe_getenv() support in case spd_readdir.so is used for setuid binaries.

Update Czech, Dutch, French, German, Polish, Swedish, and Vietnamese translations

Add a command to debugfs to create symlinks.

Document the bigalloc feature in the mke2fs man page. (Addresses Debian Bug: #669730)

Programmer's Notes

Fix gcc -Wall nits.

Fix a spelling typo in the libext2fs texinfo documentation.

Change the output from "make check" so that tools such as emacs's "M-x compile" does not mistake the output as containing a compiler error.

Export two new functions from libext2fs: ext2fs_extent_node_split() and ext2fs_extent_goto2().

The ext2fs_extents_fix_parents() was fixed so it does not modify the location of the extent handle if its current location is at an interior node, rather than a leaf node of an inode's extent tree.

Add a regression test to assure that e2fsck can correctly fix an inconsistent interior node in an inode's extent tree.

The ext2fs_{mark,unmark,test}_block_bitmap_range2() functions now correctly support bigalloc file systems which use store block usage information in units of clusters.

Fixed the help text in the configure script for --enable-quota.

The m68k-specific bitops code has been removed since they were incorrectly treating bit numbers with the high bit set as signed integers. Furthermore, modern compilers do a good enough job optimizing the generic code there is no point in having the m68k specific asm statements.

Fixed how we link the test programs so they always use the static libraries, so that we test using the libraries which we have just built.

Update config.guess and config.sub to the latest versions from the GNU project.

Fixed the com_err.texinfo file so that it can produce a valid postscript/pdf printed output.

Add a regression test which checks debugfs's ability to create symlinks, named FIFO's, and device nodes.

Add a function ext2fs_symlink(), which creates symlinks to the libext2fs library.

Add debugging code so we can test old kernel interfaces for online resize to resize2fs. This backwards compatibility checking is keyed off of the RESIZE2FS_KERNEL_VERSION, which is designed to allow us to test the functionality of the kernel's older resize ioctls without needing to install an old version of resize2fs, and to also test a modern resize2fs's ability to work with older kernels without having to install an older version of the kernel.

E2fsprogs 1.42.6 (September 21, 2012)

When mke2fs creates file systems with lazy itable initialization, the progress updates for writing the inode table happens so quickly that on a serial console, the time to write the progress updates can be the bottleneck. So mke2fs will now only update its progress indicators once a second.

Resize2fs will skip initializing the inode tables if the kernel supports lazy_itable_init, which speeds up growing off-line growth of uninit_bg file systems significantly. Resize2fs will now also correctly set the itable_unused field in the block group descriptor to speed up the first e2fsck after the file system is grown.

Resize2fs has been fixed so that on-line resizing of meta_bg file systems work correctly. This is needed to grow file system which are larger than 16T.

Resize2fs will now correctly handle resizing file systems to 16TB on 32-bit file systems when "16TB" is specified on the command line.

Fix mke2fs so that it will be careful to set the reserved blocks ratio larger than 50%; this can happen when creating small file systems and when the last block group is dropped because there are not enough blocks to support the metadata blocks in the last block group.

Fixed spelling mistake in debugfs's help message.

Fixed a potential seg fault in e2fsck when there is an I/O error while reading the superblock.

Fixed various Debian Packaging Issues (Addresses Debian Bug #677497)

Updated/fixed various man pages. (Addresses Sourceforge Bug: #3559210)

Programmer's Notes

The configure option --enable-relative-symlink was broken so that it needed to be --enable-symlink-relative-symlinks. We will support both for at least two years, but then the wrong configure option will be removed.

Fixed a regression introduced in 1.42.5 so the link order for e2fsprogs' libraries will be correct for both static and shared linking. (Addresses Sourceforge Bug: #3554345)

Add support for e2fsprogs to be compiled using clang/LLVM.

Fix portability problems on non-Linux systems: avoid compile failures on systems that don't have malloc.h

Fix f_mmp regression test suite so that debugfs gets killed if the test is interrupted.

E2fsprogs 1.42.5 (July 29, 2012)

Fixed a bug with mke2fs where if there is only 8 inodes per block group, the calculation of the number of uninitialized inodes in the first block group would go negative. This resulted in "mke2fs -N 256 -t ext4 /tmp/foo.img 256m" trying to write so many blocks that /tmp would run out of space. (Addresses Sourceforge Bug: #3528892)

Fixed a bug in how e2fsck would uniquify directory entry names. (Addresses Sourceforge Bug: #3540545)

Previously, e2fsck would only allow a mounted file system to be checked if it was the root file system and it was mounted read-only. Now it will allow any file system mounted read-only to be checked if the -f option is specified. This makes it easier to test how e2fsck handles checking file systems which are mounted without having to test on the root file system.

Fixed a problem if e2fsck where if the root file system is mounted read-only, e2fsck would not clear an error indication in the journal superblock. Combined with a kernel bug, this would cause the e2fsck to check the file system after every single boot.

The e4defrag program can now handle device symlinks, such as /dev/mapper/testvg-testlv, instead of insisting on a less human-friendly name such as /dev/dm-2. (Addresses Red Hat Bugzilla: #707209)

Fixed filefrag so it will not crash with a segfault on files from a virtual file system such as /proc. (e.g., "filefrag /proc/partitions")

Fixed filefrag so that it correctly reports the number of extents. (Addresses Red Hat Bugzilla: #840848)

Fixed a file descriptor leak in logsave which could cause it to hang. (Addresses Debian Bug: #682592)

Fixed e2fsck so that the file system is marked as containing an error if the user chooses not to fix the quota usage information.

Fixed tune2fs so that it correctly removes the quota feature when the last quota inode is removed.

Fix tune2fs so that after removing a quota inode, the block bitmap is updated; otherwise, e2fsck would complain after running 'tune2fs -O ^quota <dev>'.

Fix tune2fs so that when converting a file system from using legacy quota files to the new quota file system feature with hidden quota files, the accounting for these files is handled correctly so that e2fsck doesn't complain.

Improved e2fsck's verbose reporting statistics, and allow the more verbose reporting to be enabled via /etc/e2fsck.conf.

Fixed various Debian Packaging Issues (Addresses Debian Bug #678395)

Updated/fixed various man pages. (Addresses Debian Bug #680114)

Programmer's Notes

Fixed portability problems on other operating systems (e.g., Hurd and FreeBsd) caused by the attempted inclusion of .

Make sure that shared libraries link with the shared libraries built in the build tree, instead of the system provided libraries. Previously, libraries and executables were linked with the system libraries if present, and possibly using static archives instead of shared libraries. This was also problematic since if libext2fs.so is linked with a static libcom_err.a from system, the build system would attempt to link without -lpthread. (Addresses Sourceforge Bug: #3542572)

E2fsprogs 1.42.4 (June 12, 2012)

Fixed more 64-bit block number bugs (which could end up corrupting file systems!) in e2fsck, debugfs, and libext2fs.

Fixed e2fsck's handling of the journal's s_errno field. E2fsck was not properly propagating the journal's s_errno field to the superblock field; it was not checking this field if the journal had already been replayed, and if the journal *was* being replayed, the "error bit" wasn't getting flushed out to disk.

Fixed a false positive complaint by e2fsck if all of the extents in the last extent tree block are uninitialized and located after the end of the file as defined by i_size.

The dumpe2fs will now display the journal's s_errno field if it is non-zero, and it will also display the journal's 64-bit feature flag if present.

Fix e2fsck so that it always opens the device file in exclusive mode when it might need to modify the file system, and never if the -n option is specified. (Previously, there were a few corner cases where it might get things wrong in either direction.)

E2fsck now correctly truncates or deallocates extent-mapped inodes on the orphan list. The root cause was a bug in libext2fs's block iterator which could end up skipping an extent when the last block in an extent is removed, causing the current extent to be removed from the extent tree.

E2fsck now correctly sets the global free block and inode counts when truncating or removing inodes on the orphan list in preen mode. Previously, it would leave these values would be set incorrectly, which is largely a cosmetic issue since the kernel no longer pays attention to those fields, but it can cause spurious complaints in subsequent e2fsck runs.

Fix i_blocks accounting when the libext2fs library needs to add or remove an extent tree block on bigalloc file systems.

The lsattr and chattr programs now support the No_COW flag for the benefit of btrfs.

Debugfs now interprets date strings of the form @ddd as ddd seconds after the beginning of the epoch. This is handy when setting an inode number into the d_time field when debugging orphan list handling.

Fix a precedence bug with built-in quota support which might result in e2fsck paying attention to the quota inode field even if the built-in quota feature flag is not set. Fortunately, in practice that superblock field should be zero for non-built-in quota file systems, so it's unlikely this bug would have caused problems.

Updated/fixed various man pages. (Addresses Debian Bugs: #674453, #674694)

Programmer's Notes

The regression test suite can now run the integration tests in the tests directory in parallel, via "make -jN check".

Add new test, f_zero_extent_length which tests e2fsck's handling of the case where all of the extents in the last extent tree block are uninitialized extents after i_size.

Add a new test, f_jnl_errno, which checks handling of an error indication set in the journal superblock.

Fix the test f_jnl_64bit so that it properly checks e2fsck's handling of a 64-bit journal.

Add two tests, f_orphan_indirect_inode and f_orphan_extent_inode which tests e2fsck's handling of orphan inodes in preen mode, and truncation of extent inodes on the orphan list.

Fixed more OS X portability issues.

E2fsprogs 1.42.3 (May 14, 2012)

Fix a bug in the Unix I/O manager which could cause corruption of file systems with more than 16TB when e2fsprogs is compiled in 32-bit mode (i.e., when unsigned long is 32-bits). Also fix a bug which caused dumpe2fs to incorrectly display block numbers > 32-bits.

Improve the support for integrated quota files (where quota is a first class supported feature using hidden files in the ext4 file system). Previously the quota file was getting rewritten even when it was not necessary, and e2fsck would erroneously try to hide quota files which were already hidden.

Quiet complaints in e2fsck when the total free blocks or inodes are incorrect in the superblock after an system crash, since we don't update nor depend on the superblock summaries at each commit boundary.

Fixed a regression introduced in 1.42.2 which would cause applications outside of e2fsprogs which did not pass the EXT2_FLAG_64BIT (and so would were still using the legacy 32-bit bitmaps) to crash. This was due to missing 32-bit compat code in side the function ext2fs_find_first_zero_generic_bmap(). (Addresses Red Hat Bugzilla: #808421)

Fix a bug which would cause mke2fs to fail creating the journal if /etc/mtab and /proc/mounts are missing. (Addresses Sourceforge Bug: #3509398)

Updated/fixed various man pages.

Update Czech, Dutch, French, German, Polish, Swedish, and Vietnamese translations

Fixed various Debian Packaging issues.

Programmer's Notes

Change the nonsensically wrong types in the function signature of the inline function ext2fs_find_first_zero_block_bitmap2(). This was caused by a cut and paste error; fortunately no code in e2fsprogs used this inline function, and there are any users of this functions outside of e2fsprogs.

Add support for systems which have valloc(), but which do have posix_memalign() nor memalign() (such as MacOS 10.5).

Refactor and clean up the allocation of aligned buffers for Direct I/O support. Previously some allocations were requesting a greater alignment factor that what was strictly necessary. Also optimize reading and writing bitmaps using Direct I/O when the size of the bitmap did not fully cover the file system blocksize.

Reserve the codepoints for the INCOMPAT features LARGEDATA and INLINEDATA.

Improved the regression test suite by adding some new integration tests (f_jnl_32bit, f_jnl_64bit) which detect breakage of the on-disk jbd2 format, as well as f_eofblocks which tests the new handling of uninitialized and initialized blocks beyond i_size. Also add a new unit test which verifies 32-bit bitmaps support and the new find_first_zero primitives.

Add a few dependencies to fix parallel (make -j) builds.

Removed bash'isms which were breaking the regression test suite on systems where /bin/sh is not bash.

The config.guess and config.sub have been updated to the 2012-02-10 version.

Fix a portability problem caused by assuming the present of mntent.h means that setmntent() exists. Instead, explicitly test for this in the configure script.

If the sys/signal.h header file does not exist, don't try to include it, since it's not available on all systems.

Add support for systems that do not support getpwuid_r()

The configure script now supports a new option, --enable-relative-symlinks, which will install relative symlinks for the ELF shared library files. (Addresses Sourceforge Bug: #3520767).

When building BSD shared libraries make sure the LDFLAGS variable is passed to the linker. Fixing this allows, for example, e2fsprogs to be built in 32-bit mode on Mac OS X Lion (Addresses Sourceforge Bug: #3517272)

Fix gcc -Wall nitpicks

E2fsprogs 1.42.2 (March 27, 2012)

The resize2fs program uses much less CPU and is much faster for very large file systems. (Addresses Debian Bug: #663237)

The seti and freei commands in debugfs can now take an optional length argument to set and clear a contiguous range of inodes.

E2fsck will now make explicit checks for the EOFBLOCKS_FL, since we plan to remove support for it from the kernel file system driver. It really wasn't very useful and was causing more problems than it solves. Since e2fsck will complain if inodes that should have EOFBLOCKS_FL do not have the flag set, we are going to remove this check from e2fsprogs first, and then only remove the flag from the kernel much later.

The mke2fs program can now use direct I/O via "mke2fs -D". This will slow down the mke2fs, but it makes it more polite on a loaded server by limiting the amount of memory that gets dirtied by mke2fs when it is using buffered I/O.

E2fsck was needlessly closing and re-opening the file system as a side effect of adding Multiple Mount Protection (MMP). This isn't necessary for non-MMP file systems, so drop it.

Print errors returned by ext2fs_open2() and ext2fs_check_desc() so we can more easily diagnose memory allocation failures caused by insufficient memory. E2fsck will now abort if there are memory allocation failures when the file system is initially opened and during the block group descriptor checks. (Addresses Google Bug: #6208183)

If there are incorrect block group checks, e2fsck will now report the incorrect and corrected checksum values.

The e2fsck program can now write log files containing the details of the problems that were found and fixed directly, via configuration parameters in /etc/e2fsck.conf.

Added the ability to limit the number of messages reported by e2fsck for a given problem type. This avoids a potential bottleneck if there is a serial console which can cause a boot sequence to take a long time if e2fsck needs to report many, many file system errors.

The dumpe2fs, debugfs, and tune2fs now use rbtree bitmaps, which cause them to use much less memory for large file systems.

The dumpe2fs program will now print the expected block group checksum if it is incorrect. This helps to diagnose problems caused by incorrect block group checksums.

E2fsck now checks for extents with a zero length, since the kernel will oops if it comes across such a corrupted data structure. (See https://bugzilla.kernel.org/show_bug.cgi?id=42859)

E2fsck has a number of bugs relating to discard that have been fixed. (1) Fixed a bug which could cause e2fsck to discard portions of the inode table which were actually in use. (2) E2fsck will now avoid using discard if the block device doesn't zero data on discard, since otherwise this could cause problems if the file system gets corrupted in the future. (3) E2fsck will now avoid using discard when it is run in read-only mode. (4) Fixed a bug which caused e2fsck to not issue discards in the last block group.

E2fsck's CPU utilization in pass 5 has been optimized, which will speed up e2fsck slightly.

E2image will now skip copying uninitialized bitmap and inode table blocks.

Fixed mke2fs -S so it does not corrupt the first block group's information.

E2fsck will now check the new sysfs interface to determine if we are using the battery or AC mains. (Addresses SourceForge Bug: #3439277)

Updated/fixed various man pages. (Addresses Debian Bug: #665427)

Fixed various Debian Packaging issues. (Addresses Debian Bug: #665885)

Programmer's Notes

Fixed various portability issues for non-Linux systems, particularly MacOS X, as well as Linux systems running with the just-released glibc 2.15.

Fix file descriptor leak in ext2fs_close() if the file system with uninit_bg is opened read/only with a backup superblock. (Addresses SourceForge Bug: #3444351)

Fixed an invalid return in a non-void function in the quota code. (Addresses SourceForge Bug: #3468423)

Fixed the debian rules file so that the calls to dpkg-buildflags works when the shell is dash.

The debian package build now uses V=1 so that there is more information about potential build failures in debian build logs.

If the uninit flags get cleared by functions such as ext2fs_new_inode() or ext2fs_new_block2(), we now make sure the superblock is marked dirty and the block group descriptor checksum is updated if necessary.

The debian rules file will now try to load debian/rules.custom of it exists. This file can skip various builds for speed reasons if there is no need for the e2fsck-static or udeb packages. Available customizations in the rules file includes SKIP_STATIC=yes, SKIP_BF=yes, and SKIP_DIETLIBC=yes.

In addition, if the file misc/mke2fs.conf.custom.in exists in the source tree, it will be used instead of the standard misc.conf file in the upstream sources. This makes it easier for Debian-derived systems to distribute a custom mke2fs.conf file without having to worry about merge issues if future versions of e2fsprogs makes changes in the upstream default version of mke2fs.conf.

E2fsprogs 1.42.1 (February 17, 2012)

The mke2fs and e2fsck now use significantly less memory when creating or checking very large file systems. This was enabled by adding extent-based bitmaps which are stored using a red-block tree, since block and inode allocations tend to be contiguous.

The command mke2fs -S is used as a last ditch recovery command to write new superblock and block group descriptors, but _not_ to destroy the inode table in hopes of recovering from a badly corrupted file system. So if the uninit_bg feature is enabled, mke2fs -S will now set the unused inodes count field to zero. Otherwise, e2fsck -fy after using mke2fs -S would leave the file system completely empty.

Since mke2fs recognizes mke3fs in argv[0] to mean "mkfs.ext3", also honor "mke4fs" to work the same as "mke2fs.ext4", since RHEL5 has installed an mke2fs binary using that name.

The usage and help messages for the -G, -t and -T options in mke2fs have been fixed.

If e2fsck needs to use the backup group descriptors, the ext2fs_open2() function clears the UNINIT bits to ensure all of the inodes in the file systems get scanned. However, the code which reset the UNINIT flags did not also recalculate the checksum, which produced many spurious (and scary) e2fsck messages. This has been fixed by resetting checksums when the UNINIT bits are cleared.

Relax a check in e2fsck which required that the block bitmap to be initialized when the inode bitmap is in use. This will allow us to eventually eliminate code from the kernel which forcibly initialized the block bitmap when the inode bitmap is first used, requiring an extra journal credit and disk write. (Addresses Google Bug: #5944440)

Make sure rdebugfs (which may be installed setuid or setgid disk) does not honor environment variables if euid != uid or egid != gid.

Debugfs's ncheck command has been optimized and now is much more robust with faced with corrupted file systems. The ncheck command also now has a -c option which will verify the file type information in the directory entry to see if matches the inode's mode bits. This is extremely useful when trying to use debugsfs to determine which parts of the file system metadata can be trusted.

E2image will try to use ftruncate64() to set the i_size for raw images, instead of writing a single null byte. This avoid allocating an extra block to the raw image, for those file systems and/or operating systems that support this. (Linux does.) In addition, fix a logic bug that caused the file to not be properly extended if the size of the last hole was exactly an multiple of a megabyte.

Fixed a bug in resize2fs where for 1k and 2k file systems, where s_first_data_block is non-zero, this wasn't taken into account when calculate the minimum file system size for use with the -M option.

Fixed the badblocks program to honor the -s flag when in read-only -t mode. (Addresses Debian Bug #646629)

Update Czech, Dutch, French, Polish, and Swedish translations from the Translation Project.

Fixed various Debian Packaging issues so that dpkg-buildflags is used if present, which allows e2fsprogs to be built with security hardening flags. (Addresses Debian Bugs: #654457)

Programmer's Notes

Fix a bug in ext2fs_clear_generic_bmap() when used for 32-bit bitmaps. This was only an issue for programs compiled against e2fsprogs 1.41 that manipulate bitmaps directly. (Addresses Sourceforge Bugs: #3451486)

The libext2fs library now uses sysconf() to fetch the page size, instead of the deprecated getpagesize().

The ext2fs_get_pathname() function will return a partial path if an a directory in the path is not a directory, displaying it as an inode number in angle brackets instead of giving up and displaying an error. This is much more helpful when a user is trying to debug a corrupted file system.

Codepoints for the RO_COMPAT_REPLICA feature has been reserved.

Added a new library function, ext2fs_file_get_inode_num(), for use by fuse2fs.

Fixed a bug in ext2fs_file_set_size2() so that when it is truncating a file, it actually works.

The block iterator now properly honors the BLOCK_ABORT flag for extent-based flags. Previously, it didn't, which generally made code be less efficient, but it could cause bugs in ext2fs_link(), for example, by causing it to insert multiple directory entries.

Fixed an (harmless other than causing a compiler warning) use of an uninitialized variable in e2fsck's MMP code.

E2fsprogs 1.42 (November 29, 2011)

This release of e2fsprogs has support for file systems > 16TB. Online resize requires kernel support which will hopefully be in Linux version 3.2. Offline support is not yet available for > 16TB file systems, but will be coming.

This release of e2fsprogs has support for clustered allocation. This reduces the number of block (now cluster) bitmaps by allocating and deallocating space in contiguous power-of-2 collections of blocks, which are called clustered. This is a file system level feature, called 'bigalloc', which must be enabled when the file system is initially formatted. It is not backwards compatible with older kernels.

Added support for the Multi-Mount Protection (MMP) feature.

E2fsck more efficiently uses scratch files for really big file systems. (This is a feature that has to be turned on explicitly; see [scratch_files] in the e2fsck.conf man page.)

Fix a bug in e2fsck where if the free blocks and inodes counts are incorrect, e2fsck would fix them without printing an error message. This would cause a "*** FILE SYSTEM WAS MODIFIED ***" message without any explanation of what was fixed.

E2fsck will no longer attempt to clone an extended attribute block in pass1b handling if the file system does not support extended attributes.

E2fsck will be more careful accidentally asking the user to continue if the file system is mounted, so that an escape sequence won't cause a false positive. (Addresses Debian Bug: #619859)

E2fsck now uses less cpu time in pass 5 when large portions of the bitmaps are uninitialized.

E2fsck will no longer segfault when a corrupted file system has a bad extent, and removing it leads to a block needing to be deallocated. (Addresses SourceForge Bug: #2971800)

E2fsck will catch termination signals (segfaults, bus errors, sigfpe) and print debugging information to make it easier to find potential problems.

E2fsck will check to see if the bad block inode looks insane, and will skip trying to use if it certain fields which should be zero look non-zero. This is to avoid a corrupted bad block inode causing e2fsck to get confused and do more harm than good.

If e2fsck modifies certain superblock fields which the kernel doesn't look at, it will now mark the superblock as dirty without marking the file system as changed. This avoids signaling the init scripts that a reboot is necessary, since the kernel isn't going to look at those fields, so it won't care if they have been changed.

Fixed a bug in the libext2fs library (in the binary search routine of the icount abstraction) that could (very, very rarely) cause e2fsck to die in the middle of pass 1 or pass 2 processing.

E2fsck will not try to do a discard operation if the -n option was specified on the command line.

E2fsck now supports an extended "discard" option which will cause e2fsck to attempt discard all unused blocks after a full, successful file system check.

E2fsck will check for the bad block inode to make sure it looks sane before trusting it, to avoid causing more harm than good to the file system.

E2fsck now returns additional status bits in its exit code if it aborts early in the e2fsck run.

E2fsck now correctly calculates the maximum file size in the case of the huge_file file system feature enabled without extents.

The mke2fs and e2fsck programs now tries to use the punch hole command as a "discard" when operating on normal files.

The e2image program now supports the qcow2 format, which is a more efficient way of capturing file system dumps.

Mke2fs now supports the [devices] stanza in mke2fs.conf which allows per-device defaults to be specified in the configuration file.

Mke2fs now supports the reserved_ratio relation in the [defaults] and [fs_types] section in mke2fs.conf.

Mke2fs now creates extent-mapped directories for the root and lost+found directories.

Mke2fs will skip zero'ing the journal if the extended option "lazy_journal_init" is specified. This can save a lot of time, but it does add a small amount of risk if the system crashes before the journal is overwritten entirely once. It is especially useful for testing.

Mke2fs will now create file systems that enable user namespace extended attributes and with time- and mount count-based file system checks disabled.

Mke2fs will not set a stride or strip size of one block based on block device attributes obtained from sysfs.

Mke2fs now displays a progress report during the discard process.

Mke2fs now handles extreme file system parameters correctly which previously caused the inodes per group to drop below 8, leading to a segfault. (The inodes per group must be a multiple of 8, but the code didn't correctly deal with an inodes per group count less than 8.)

Mke2fs and tune2fs previously would give an error if the user tried setting the stride and stripe-width parameters to zero; but this is necessary to disable the stride and stripe-width settings. So allow setting these superblock fields to zero. (Addresses Google Bug: #4988557)

Mke2fs now gives a warning if the auto-detected block size exceeds the system's page size.

If the enable_periodic_fsck option is false in /etc/mke2fs.conf (which is the default), mke2fs will now set the s_max_mnt_count superblock field to -1, instead of 0. Kernels older then 3.0 will print a spurious message on each mount then they see a s_max_mnt_count set to 0, which will annoy users. (Addresses Debian Bug: #632637)

The default mke2fs.conf now has entries for "big" and "huge", which are needed for very big file systems.

The resize2fs program now has support for a new online resize ioctl that can support file systems > 16TB, once it arrives in v3.x kernels.

Fixed bug which caused resize2fs to fail when shrinking an empty file system down to its minimal size. (Addresses Sourceforge Bug #3404051)

Fixed tune2fs's mount options parsing. (Addresses Debian Bug: #641667)

Allow tune2fs to remove external journals if the device can not be found.

Debugfs's icheck will now correctly find inodes which use the searched-for block as an extended attribute block.

Debugfs now has a new "punch" command which remove blocks from the middle of an inode.

Debugfs now has a new "e2freefrag" command which analyzes the free space fragmentation of the file system, using the same code as the e2freefrag program.

Debugfs now has a "filefrag" command which displays information about a file's fragmentation.

Add support to build a metadata-only, read-only, stripped-down version of debugfs called rdebugfs.

Fixed a potential stack overrun bug in debugfs.

The badblocks program now correctly recovers from I/O errors when direct I/O is being used. The badblocks command now also supports a -B option which forces the use of buffered I/O, and the -v option will provide a more detailed breakdown of read, write, and failed comparison errors.

Added e4defrag tool which uses the EXT4_IOC_MOVE_EXT ioctl.

Added support for journals larger than 2GB.

Support using both hard links and symlinks when installing e2fsprogs.

Add overflow checking to tune2fs -i's fsck interval, which must fit in a 32-bit field.

The debugfs command now has a new 'blocks' command which prints out data blocks of a particular inode in a format which is useful for scripting.

Filefrag will report 0 extents correctly in verbose mode. (Addresses RedHat Bugzilla: #653234)

Filefrag has been fixed so its -v report prints the correct expected block number (previously there had been an off-by-one error). In addition, it will now display the number of contiguous extents when -v is not specified. This makes it consistent with the number of extents printed when the -v option was specified. In addition, the number of contiguous extents is far more interesting/useful than the number of physical extents for very large files. (Addresses Debian Bug: #631498, #644792)

Logsave's usage message has been fixed. (Addresses Debian Bug: #619788)

Avoid an infinite loop in ext2fs_find_block_device() if there are symlink loops in /dev caused by a buggy udev.

Added a useful "fallocate" program to the contrib directory.

Fixed an ABI compatibility problem in libext2fs which broke the dump program. Also added back some macros which dump needed so it could compile against the latest version of ext2_fs.h (Addresses Debian Bug: #636418)

Fixed parsing of MNTOPT_ options for tune2fs and debugfs (Addresses Debian Bug: #641667)

Added internationalization support for libcom_err error table strings.

Fixed various spelling mistakes found in various output strings found by I18N translators.

Update translations: French, Chinese, Germany, Indonesian, Swedish, Vietnamese, Polish, Dutch, Czech. (Addresses Debian Bugs: #520985, #620659)

Fixed various Debian Packaging issues. (Addresses Debian Bugs: #614662, #632169, #641838, #627535, #629355)

Updated/clarified man pages. (Addresses Debian Bugs: #639411, #642193, #634883)

Programming notes

Initial support for quota as an integrated feature, where the quota files are hidden system files that are automatically maintained by e2fsck is present, although disabled by default. It must be enabled by using the configure option --enable-quota.

Reserved the on-disk fields for the metadata checksum and snapshot features, which are currently in development.

The ext2fs library now has the new functions ext2fs_punch(), ext2fs_get_memzero() and ext2fs_file_get_inode().

The ext2fs library now has support for calculating the crc32c checksum (via the new functions ext2fs_crc32c_be and ext2fs_crc32c_le).

The I/O manager now supports the discard operation.

Reserved file system code points for new 1st class quota feature.

Shortened the compilation lines by moving the autoconf defines to a config.h header file.

Fixed a potential free of an uninitialized pointer in ext2fs_update_bb_inode().

Fixed miscellaneous gcc -Wall and coverity warnings.

Fixed portability issues for Mac OS X, Hurd, and FreeBSD.

Fixed a build failure when OMIT_COM_ERR is defined.

Improved error checking and fixed memory leaks caused by error return paths.

Add ext2fs_flush2() and ext2fs_close2() which takes a flag to allow the fsync() to be skipped.

Added a test for extent-mapped journals by mke2fs and tune2fs.

Added a test for creating a large (over 4GB) journal using mke2fs.

Added a test to make sure the inode size remains constant.

The regression test script now prints the list of which tests failed.

The regression test system now uses /tmp for its scratch files, which is often a tmpfs mounted file system and hence much faster.

The i_e2image test was fixed so it works with valgrind.

Tests that rely on debugfs are now skipped if debugfs wasn't built.

Fixed the dependencies for "make check" so all required dependencies are built before running the regression tests.

A link to com_err.h is installed in $(includedir) during a "make install".

The po/*.gmo files are automatically rebuilt if they are missing or out of date. This helps out Debian packaging.

Allow ext2fs_get_memalign() to compile on systems that don't have posix_memalign().

Fixed a namespace leak in libext2fs (tdb_null).

E2fsprogs 1.41.14 (December 22, 2010)

Fix spurious complaint in mke2fs where it would complain if the file system type "default" is not defined in mke2fs.conf.

The resize2fs program will no longer clear the resize_inode feature when the number reserved group descriptor blocks reaches zero. This allows for subsequent shrinks of the file system to work cleanly for flex_bg file systems.

The resize2fs program now handles devices which are exactly 16T; previously it would give an error saying that the file system was too big.

E2fsck (and the libext2fs library) will not use the extended rec_len encoding for file systems whose block size is less than 64k, for consistency with the kernel.

Programming notes

E2fsprogs 1.41.13 would not compile on big-endian systems. This has been fixed. (Addresses Sourceforge Bug: #3138115)

The ext2fs_block_iterator2() function passed an incorrect ref_offset to its callback function in the case of sparse files. (Addresses Sourceforge Bug: #3081087)

Fix some type-punning warnings generated by newer versions of gcc.

E2fsprogs 1.41.13 (December 13, 2010)

E2fsck now supports the extended option "-E journal_only", which causes it to only do a journal replay. This is useful for scripts that want to first replay the journal and then check to see if it contains errors.

E2fsck will now support UUID= and LABEL= specifiers for the -j option (which specifies where to find the external journal). (Addresses Debian Bug #559315)

E2fsck now has support for the problems//force_no configuration option in e2fsck.conf, which forces a problem to not be fixed.

Dumpe2fs will now avoid printing large negative offsets for the bitmap blocks and instead print a message which is a bit more helpful for flex_bg file systems.

Mke2fs will now check the file system type (specified with the -t option) to make sure it is defined in the mke2fs.conf file; if it is not, it will print an error and abort. If the usage type (specified with the -T option) is not defined in mke2fs.conf, mke2fs will print a warning but will continue. (Addresses Debian Bug #594609)

Clarified error message from resize2fs clarifying that on-line shrinking is not supported at all. (Addresses Debian Bug #599786)

Fix an e2fsck bug that could cause a PROGRAMMING BUG error to be displayed. (Addresses Debian Bug #555456)

E2fsck will open the external journal in exclusive mode, to prevent the journal from getting truncated while it is in use due to a user accidentally trying to run e2fsck on a snapshotted file system volume. (Addresses Debian Bug #587531)

Fix a bug in e2fsck so it has the correct test for the EOFBLOCKS_FL flag.

The tune2fs program can now set the uninit_bg feature without requiring an fsck.

The tune2fs, dumpe2fs, and debugfs programs now support the new ext4 default mount options settings which were added in 2.6.35.

The e2fsck and dumpe2fs programs now support the new ext4 superblock fields which track where and when the first and most recent file system errors occurred. These fields are displayed by dumpe2fs and cleared by e2fsck. These new superblock fields were added in 2.6.36.

Debugfs now uses a more concise format for listing extents in its stat command. This format also includes the interior extent tree blocks, which previously was missing from stat's output for extent-based files.

Debugfs has a new option, -D, which will request Direct I/O access of the file system.

Mke2fs will skip initializing the inode table if a device supports discard and the discard operation will result in zero'ed blocks.

Badblocks will now correctly backspace over UTF-8 characters when displaying its progress bar. (Addresses Gentoo Bug #309909; Addresses Debian Bugs #583782 and #587834)

E2freefrag will now display the total number of free extents.

Resize2fs -P no longer requires a freshly checked filesystem before printing the minimum resize size.

Fixed a floating point precision error in a binary tree search routine that can lead to seg fault in e2fsck and resize2fs.

Fixed a bug in e2fsck where if both the original and backup superblock are invalid in some way, e2fsck will fail going back to the original superblock because it didn't close the backup superblock first, and the exclusive open prevented the file system from being reopened.

Fixed a big in e2freefrag which caused getopt parsing to fail on architectures with unsigned chars. (Addresses Gentoo Bug: #299386)

Clarified an mke2fs error message so a missed common in an -E option (i.e., "mke2fs -t ext4 -E stride=128 stripe-width=512 /dev/sda1") results in a more understandable explanation to the user.

Mke2fs now displays the correct valid inode ratio range when complaining about an invalid inode ratio specified by the user.

Mke2fs now understands the extended option "discard" and "nodiscard", and the older option -K is deprecated. The default of whether discards are enabled by default can be controlled by the mke2fs.conf file.

Mke2fs's handling of logical and physical sector sizes has been improved to reflect the fact that there will be some SSD's with 8k and 16k physical sectors arriving soon. Mke2fs will no longer force block size to be the physical sector size, since there will be devices where the physical sector size is larger than the system's page size, and hence larger than the maximal supported block size. In addition, if the minimal and optimal io size are not exported by the device, and the physical sector size is larger than the block size, the physical sector size will be used to set the Raid I/O optimization hints in the superblock.

E2fsck will now display a better, more specific error message when the user enters a typo'ed device name, instead of blathering on about alternate superblocks.

Fixed various Debian Packaging Issues

Updated/clarified man pages (Addresses Debian Bugs: #580236, #594004, #589345, #591083; Addresses Launchpad Bug: #505719)

Update the Chinese, Chzech, Dutch, French, Germany, Indonesian, Polish, Swedish, and Vietnamese translations.

Programmer's Notes

Fix a dependency definition for the static and profiled blkid libraries which could cause compile failures in some configurations. (Addresses Debian Bug: #604629)

Add support for Direct I/O in the Unix I/O access layer.

Fixed a memory leak in the Unix I/O layer when changing block sizes.

Fixed minor memory leaks in mke2fs.

Added a new function to the ext2fs library, ext2fs_get_memalign().

The tst_super_size test program will check to make sure the superblock fields are correctly aligned and will print them out so they can be manually checked for correctness.

Fixed some makefile dependencies for test programs in lib/ext2fs.

Reserved the feature flags and superblock fields needed for the Next3 snapshot feature.

Reserved the feature flags for EXT4_FEATURE_INCOMPAT_DIRDATA and EXT4_INCOMPAT_EA_INODE.

E2fsprogs 1.41.12 (May 17, 2010)

Mke2fs now gives a correct error message if the external journal device is not found. (Addresses Red Hat Bug #572935)

Resize2fs -P will now refuse to print a minimum size if the file system is not clean. Previously it would go ahead and print a minimum size anyway, which might not be correct, leading to user confusion.

E2fsck now tests for extents that begin at physical block 0 and rejects them as invalid. (Addresses Google Bug: #2573806)

Fixed a bug in e2fsck which could cause it to crash when trying to remove an invalid extent and the block bitmaps hadn't yet been loaded. (Addresses SourceForge Bug: #2971800)

E2fsck now will completely skip time-based checks if the system clock looks insane or the option broken_system_clock is set in /etc/e2fsck.conf.

E2fsck would previously report an i_blocks corruption for a 4T file created using posix_fallocate; this bug has been fixed.

E2fsck will now correctly mark a sparse journal as invalid and will delete and recreate the journal to address the problem.

E2fsck would previously incorrectly ask the user whether she would like to abort the file system check after finding a problem --- and then abort regardless of the user's answer. This is annoying, and has been fixed.

E2fsck can now continue even if it fails to recreate the resize inode; previously it would just abort the file system check altogether.

E2fsck could potentially remove directory entries for inodes found in the unused region of the inode table; this would generally happen on ext4 file systems that do not use journalling. This bug has been fixed by not clearing these directory entries once it has been established that bg_unused_inodes may not be trustworthy; once pass #2 has been completed, e2fsck will restart the file system check from the beginning, and then it will be safe to delete any directory entries pointing to inodes that appear to be deleted. (Addresses Google Bug: #2642165)

E2fsck will not try to set the block group checksums if the user cancels the fsck with a control-C. It's a bad idea to set the checksums if e2fsck hasn't been completed, and it often results an the error message, "Inode bitmap not loaded while setting block group checksum info". (Addresses Launchpad Bug: #582035)

The mke2fs program now queries the kernel for the physical as well as the logical sector size, and will not allow a blocksize below the logical, and will strongly encourage a blocksize at least as big as the physical blocksize. This is needed for 4k sector drives that emulate 512 byte sector sizes.

Mke2fs will now allow a flex_bg size of 1. This is unusual, and rarely needed, but it is a legal value.

E2fsck will check for cases where the EOFBLOCKS_FL is set when it is not needed, and offer to clear it; this is a sign of a kernel bug, but more importantly, some released kernels may crash when this situation is encountered on ext4 file systems. (Addresses Google Bug: #2604224)

E2fsck will use the EOFBLOCKS_FL flag exclusively to check whether i_size is correct. (Kernels starting with 2.6.34 will set EOFBLOCKS_FL.)

The com_err library will now only output ^M (a CR character) when the tty is in raw mode.

Update the Czech, Chinese, Dutch, French, Germany, Indonesian, Polish, and Vietnamese translations.

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bugs: #571247, #563487)

Programmer's Notes

The regression test suite now uses its own mke2fs.conf file, so that downstream distributions want change the mke2fs.conf file which is distributed in the RPM or dpkg file, without worrying about screwing up the regression test results.

Always build namei.o so that building with configure --disable-debugfs works correctly. Long-term, if we care about reduced e2fsprogs builds, we need a more general solution for deciding what .o files are needed for a particular build. Given that install floppies are going (gone?) the way the dodo bird, we probably don't care, though. (Addresses Sourceforge Bug: #2911433)

Add configure options --enable-symlink-build and --enable-symlink-install, which allow e2fsprogs be built using symlinks instead of hard links, and to be installed using symlinks instead of hard links, respectively. It is useful when the file system where the build is taking place, or the file system where e2fsprogs is installed, can't handle hard links for some reason. (Addresses Sourceforge Bug: #1436294)

Fixed compile warning in mke2fs.c.

E2fsprogs 1.41.11 (March 14, 2010)

E2fsck will no longer give a fatal error and abort if the physical device has been resized beyond 2**32 blocks. (Addresses Launchpad Bug: #521648)

Debugfs has a bug fixed so that "logdump -b " now properly shows the allocation status of the block . (Addresses Debian Bug: #564084)

E2fsck now prints a much more emphatic and hopefully scary message when a file system is detected as mounted while doing a read/write check of the filesystem. Hopefully this will dissuade users from thinking, "surely that message doesn't apply to *me*" :-(

E2fsck -n will now always open the file system read-only. We now disallow certain combination of options which previously were manual exceptions; this is bad because it causes users to think they are smarter than they really are. So "-n -c", "-n -l", "-n -L", and "-n -D" are no longer supported. (Addresses Launchpad Bug: #537483)

In e2fsprogs 1.41.10, mke2fs would ask for confirmation to proceed if it detected a badly aligned partition. Unfortunately, this broke some distribution installation scripts, so it now just prints the warning message and proceeds. (Addresses Red Hat Bug: #569021. Addresses Launchpad Bug: #530071)

Mke2fs would take a long time to create very large journal files for ext4. This was caused by a bug in ext2fs_block_iterate2(), which is now fixed.

E2fsck now understands the EOFBLOCKS_FL flag which will be used in 2.6.34 kernels to make e2fsck not complain about blocks deliberately fallocated() beyond an inode's i_size.

E2fsprogs 1.41.10 introduced a regression (in commit b71e018) where e2fsck -fD can corrupt non-indexed directories when are exists one or more file names which alphabetically sort before ".". This can happen with ext2 filesystems or for small directories (take less than a lock) which contain filenames that begin with a space or some other punctuation mark. (Addresses Debian Bug: #573923, Addresses Launchpad Bug: #525114)

Programmer's Notes

Add new test, f_rehash_dir, which checks to make sure e2fsck -D works correctly.

The libcom_err function now has support for Heimdal's com_right_r function(). (Addresses Sourceforge Bug: #2963865, Addresses Debian Bug: #558910)

E2fsprogs 1.41.10 (February 10, 2010)

Fix resize2fs bug which causes it to access invalid memory.

Add libss support for libreadline.so.6.

Fix e2fsck's check for extent-mapped directory with an incorrect file type.

Add new e2fsck.conf configuration option, default/broken_system_clock to support systems with broken CMOS hardware clocks. Also, since too many distributions seem to have broken virtualization scripts now, e2fsck will by default accept dates which are off by up to 24 hours by default. (Addresses Debian Bugs: #559776, #557636)

Fix a bug where mke2fs may not use the best placement of the inode table when there is only room for a single block group in the last flex_bg.

E2fsck is now smarter when it needs to allocate blocks in the course of fixing file system problems. This reduces the number of spurious differences found in pass #5.

E2fsck will no longer rehash directories which fit in a single directory block.

E2fsck now correctly handles holes in extent-mapped directories (i.e., sparse directories which use extents).

Fix big-endian problems with ext2fs_bmap() and ext2fs_bmap2().

Fix a bug in filefrag where on platforms which can allow file systems with 8k blocks, that it doesn't core dump when it sees a file system with 8k block sizes. (Thanks to Mikulas Patocka for pointing this out.)

E2fsck will correctly fix directories that are have an inaccurate i_size as well as other problems in a single pass, instead of requiring two e2fsck runs before the file system is fully fixed.

Fix e2fsck so it will correctly find and detect duplicate directory entries for non-indexed directories. ( Addresses Sourceforge Bug: #2862551)

Mke2fs will use BLKDISCARD to pre-discard all blocks on an SSD or thinly-provisioned storage device. This can be disabled using the -K option.

Enhance libext2fs so it works around bug in Linux version 2.6.19 and earlier where the /proc/swaps file was missing the header on the first line.

Fix bug in Linux version 2.6.19 and earlier where the /proc/swaps file was missing the header on the first line.

Fix some big-endian bugs in e2fsck and libext2fs.

Fix resize2fs so it works correctly on file systems with external journals instead of failing early with the error "Illegal inode number".

Fix libss so that it does not seg fault when using a readline library which does not supply a readline_shutdown() function.

Updated dumpe2fs's usage message so it correctly gives the right arguments summary for "-o superblock=" and "-o blocksize=". (Addresses Launchpad Bug: #448099)

Teach libext2fs to ignore the high 32 bits of the i_blocks field when huge_file file system feature is set, but the inode does not have the HUGE_FILE_FL flag set.

Fix e2fsck's handling of 64-bit i_blocks fields.

E2fsck will now print "Illegal indirect block", "Illegal double-indirect block", etc., instead of "Illegal block #-1" or "Illegal block #-2", etc. This makes it easier for users to understand what has gone wrong. (Addresses SourceForge Bug: #2871782)

Mke2fs now will obtain get device topology information from blkid and use it to populate the superblock stride and stripe sizes. It will also warn if the block device is misaligned

Fix file descriptor leaks in fsck and debugfs. (Addresses Novell Bug: ##524526)

Fix the libext2fs library code to round up the bitmap size to a 4-byte boundary, to prevent spurious seg faults caused by the x86 architecture. This doesn't affect Linux systems, but was a major problem on a number of *BSD systems. (Addresses Sourceforge Bug: #2328708)

Fix resize2fs's minimum size required for a file system so it doesn't fail when "resize2fs -M" is run. (Addresses RedHat Bugzilla: #519131)

Dumpe2fs now prints summary information about the contents of the journal.

Avoid printing scary error messages when e2fsck starts running problems on low-memory systems, as it tends to panic and mislead the user. (Addresses Debian Bug: #509529)

Fix blkid's modules.dep parser so it handles compressed (.ko.gz) modules files. (Address Red Hat Bug: #518572)

Fix tune2fs so it can add a journal when an extent-enabled file system is mounted. (Addresses Launchpad bug: #416648)

Update Czech, Indonesian, Polish and Vietnamese translations (from the Translation Project).

Update/clarify man pages. (Addresses Sourceforge Bug: #2822186)

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bugs: #540111)

Programmer's Notes

The configure script supports the --with-cc, --with-ccopts, and --with-ldopts options. Instead, the more standard use of CC=, CCFLAGS=, and LDFLAGS= in the configure command line is used instead. Also, --with-ld, which never worked, was also removed. (Addresses Sourceforge Bug: #2843248)

The in-tree header files are only used if the in-tree uuid or blkid libraries are used. Otherwise, use the system-provided uuid or blkid header files if using the system-provided libraries.

Fix some build failures caused by --disable-* configure options.

Work around a bug in autoconf 2.64.

E2fsprogs 1.41.9 (August 22, 2009)

Fix a bug in e2fsck routines for reallocating an inode table which could cause it to loop forever on an ext4 filesystem with the FLEX_BG filesystem feature with a relatively rare (and specific) filesystem corruption. This fix causes e2fsck to try to find space for a new portion of the inode table in the containing flex_bg, and if that fails, the new portion of the inode table will be allocated in any free space available in the filesystem.

Make e2fsck less annoying by only asking for permission to relocate a block group's inode table once, instead of for every overlapping block. Similarly, only ask once to recompute the block group checksums, instead of once for each corrupted block group's checksum.

Fix filefrag to avoid print the extent header if the FIEMAP ioctl is not present, and it needs to fall back to using the FIBMAP ioctl.

Fix filefrag to correctly print the number of extents for zero-length files. (Addresses Debian Bug: #540376)

Filefrag now has a -B option which forces the use of the FIBMAP ioctl to more easily debug the FIBMAP code.

Fixed filefrag for non-extent based files.

Add a new program, e2freefrag, which displays information about the free space fragmentation in an ext2/3/4 filesystem.

Fix inode resizing via tune2fs -I so that it works correctly in the face of non-empty bad blocks inodes, and if the filesystem was formatted using the "mke2fs -E stride=N" option for RAID arrays.

Fix regression in ext2fs_extent_set_bmap() caused e2fsck -fD to fail and corrupt large directories if the directory needs to shrink by more than one block. (Addresses Debian Bug: #537510)

Fix e2fsck's buggy_init_scritps=1 so that the if the last write and/or last mount times are in the future, they are corrected even if buggy_init_scripts is set. This is needed because otherwise resize2fs will refuse to resize the filesystem, even after running "e2fsck -f". (Addresses Launchpad bug: #373409)

E2fsck will now print much fuller information when the last mount time or last written time is in the future, since most people can't seem to believe their distribution has buggy init scripts, or they have a failed CMOS/RTS clock battery.

Enhance dumpe2fs to dump the extent information via the 'stat' command, and more detailed extent information via the new command 'dump_extents'.

Update French, Polish, Czech, and Swedish translations from the Translation Project.

Fixed various Debian packaging issues --- see debian/changelog for details.

Programmer's Notes

Fixed miscellaneous gcc -Wall warnings.

Fixed memory leak in error path in ext2fs_block_iterate2()

Fixed non-Linux build of the intl directory by adding support for the E/Q/V macros.

The bitmap read/write functions now treat uninitialized bitmaps as unallocated; this fixes a number of problems in all e2fsprogs for ext4 filesystems when there is a need to allocate new blocks or inodes, and there aren't any free blocks or inodes in the already-used block groups.

Improve ext2fs_extent_set_bmap() to avoid creating new extents which get inserted into the extent tree when they are not needed.

E2fsprogs 1.41.8 (July 11, 2009)

Fix resize2fs's online resizing, fixing a regression which in e2fpsrogs 1.41.7. (Addresses Debian Bug: #535452)

Fix potential filesystem corruptions caused by using resize2fs to shrinking ext4 filesystems with extents enabled. (Addresses Red Hat Bug: #510379)

Optimize uuid_generate() to avoid running uuidd if it is not setuid or setgid and the currently running program doesn't have write access to the uuidd work directory.

Add safety checks (for non-Linux systems) so that uuidd isn't run with file descriptors 0, 1, and 2 closed; and if they are closed, uuidd will be careful not to close the file descriptor for its unix domain socket when it detaches itself from the controlling tty. Also add safety checks so that if the unix domain socket between the uuid library and uuidd program is closed for any reason, both the library and the uuidd will return an appropriate error code instead of looping in an infinite loop.

The e2croncheck script, which creates an LVM snapshot and then checks the ext3/4 filesystem via the LVM snapshot, has been added to the contrib directory.

Fix the filefrag program for files that have more than 144 extents.

Update French, Polish, Czech, Indonsian, and Swedish translations from the Translation Project.

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bug #535530)

Update/clarify man pages.

Programmer's Notes

Fix compilation problem when configured with --disable-uuid.

Don't build uuidgen if configured with --disable-uuid.

Add the new library function ext2fs_test_inode_bitmap_range(), and optimized ext2fs_test_block_bitmap_range(), which will be needed for future optimizations for e2fsck.

Fix makefile dependencies for libcom_err so that the Makefiles work well on non-GNU make program. (Addresses Sourceforge Patches: #2813809)

Enhance the build system so that the full set of commands executed by the Makefiles are displayed, instead of the Linux kernel summary output, if the build was configured with --enable-verbose-makecmds, or if GNU make is in use and the V variable is non-null, i.e., via "make V=1".

E2fsprogs 1.41.7 (June 29, 2009)

Fix a bug in libext2fs which can cause e2fsck and resize2fs to write uninitialized data into the portion of the inode beyond the first 128 bytes when operating on inodes mapped via extents; potentially corrupting filesystems.

Fix memory leaks in e2fsprogs, including a very large memory leak which can cause e2fsck to run out of memory when checking very large filesystems using extents.

The logsave program will now filter out the ^A and ^B characters when writing to the console.

Harden ext2fs_validate_entry() so that lsdel will not read beyond the end of the block even if the directory block is corrupted.

Fix debugfs from core dumping if the logdump command fails to open the output file.

Enhance badblocks to print the currently tested block number when interrupted with ^C.

Fix lsattr to exit with a non-zero status when it encounters errors. (Addresses RedHat Bugzilla #489841)

Fix e2fsprogs to use the same encoding for rec_len in 64k (and larger) filesystems as the kernel when encoding rec_len >= 64k. For 64k filesystems (currently all that is supported by e2fsprogs, this is only a minor corner case).

Resize2fs will now update the journal backup fields in the sup0erblock if the journal is moved; this avoids an unnecessary full fsck after resizing the filesystem. (Addresses RedHat Bugzilla: #505339)

Fix libext2fs to properly initialize i_extra_size when creating the journal and resize inodes.

Change badblocks to allow block sizes larger than 4k.

Fix the filefrag program so it correctly checks for errors from the fiemap ioctl.

Update Chinese and Czech translation from the Translation Project.

Clean up various man pages. (Addresses Debian Bug #531385 and #523063)

Programmer's Notes

Add --disable-libuuid option to configure which uses an in-system installed version of libuuid; the private version is enabled by default.

Add --valgrind-leakcheck option to the test_script program which runs valgrind with the appropriate options to find memory leaks.

E2fsprogs 1.41.6 (May 30, 2009)

Fix a critical regression in e2fsck introduced version 1.41.5 which can undo updates to the block group descriptors after a journal replay.

If e2fsck receives an I/O error while replaying the journal, prompt the user whether they want to ignore the error or not; if e2fsck is run in preen mode, force fsck to abort the preen pass.

Fix a bug which would cause e2fsck to core dump if the filesystem contains a corrupt extent header, and the user declines to clear the inode. (Addresses Sourceforge Bug: #2791794)

Fix e2fsck to restart only once in the case of multiple block groups which inodes in use that are in the uninitialized part of the block group's inode table.

To reduce user confusion, if the /etc/mtab file is missing ext2fs_check_mount_point and ext2fs_check_if_mounted will return a new, explicit error code to indicate this case. This will cause e2fsck to give a clearer error message when the user is using buggy rescue CD's that don't properly set up /etc/mtab. (Addresses Debian Bug: #527859)

Fix e2fsck so that if the primary group descriptors are corrupted, but the backup superblock is entirely invalid, to go back to using (and fixing) the primary group descriptors instead of completely giving up on the filesystem. (Addresses Debian Bug: #516820)

Change e2fsck to not abort a preen pass if an inode is found to have i_file_acl_hi non-zero. Ext3 filesystems don't care, and newer kernels (post 2.6.29) will ignore this field. So let's fix it automatically during the preen pass instead of forcing the user to fix this up manually. (Addresses Debian Bug: #526524)

Add resource tracking for e2fsck passes 1b through 1d.

Speed up e2fsck by eliminating unnecessary journal checks if the filesystem is already mounted and doesn't need recovery (since the kernel would have run the journal when the filesystem was mounted.) Also speed up e2fsck by avoiding unnecessary block group descriptor updates in ext2fs_close().

Add support to chattr to migrate inodes from using direct/indirect blocks to extents.

Avoid corrupting the filesystem if there is an attempt to shrink a filesystem using resize2fs smaller than possible by making ext2fs_set_bmap() more careful not to delete the old block until the new block can be inserted. In addition, fix a bug in how the minimum size of the filesystem (plus a safety margin) is calculated, and modify resize2fs to refuse to shrink the filesystem below that minimum size without the force flag.

Teach blkid to try to figure out DM device names using take advantage of information in sysfs when running on kernels (2.6.29 and later) which provide this information in /sys/block/dm-/dm/name; this is much faster than scanning for the device number in /dev/mapper.

Fix blkid to prefer /dev/mapper/ device names instead of the private /dev/dm-X names.

Add an -a option to debugfs's close_filesys command which writes any changes to the superblock or block group descriptors to all of the backup superblock locations.

Add support to the filefrag program to use the FIEMAP ioctl.

Update Chinese translation from the Translation Project.

Clean up various man pages. (Addresses Red Hat Bugzilla: #502971 and Launchpad Bug: #381854)

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bug #506064)

Programmer's Notes

Add test code to make sure e2fsck's problem.c doesn't have two problem codes assigned to duplicate values.

Avoid using a hard-coded path for /bin/rm in block's test_probe.in. (Addresses Sourceforge Bug: #2780205)

Clean up e2fsck by removing #ifdef RESOURCE_TRACK by adding an empty function declaration for init_resource_track() and print_resource_track() when RESOURCE_TRACK is not defined.

The test code which is used to build the tst_csum program has been moved from from tst_csum.c into csum.c under an #ifdef DEBUG to to avoid compile problems caused by not having a prototype for ext2fs_group_desc_csum(). (Addresses Sourceforge Bug #2484331)

Update the config.guess and config.sub file to the latest from the FSF, to allow e2fsprogs to build on the avr32 platform. (Addresses Debian Bug: #528330)

Add a new function, ext2fs_extent_open2(), which behaves like pext2fs_extent_open(), but uses the user-supplied inode structure when opening an extent instead of reading the inode from disk.

E2fsprogs 1.41.5 (April 23, 2009)

Fix a number of filesystem corruption bugs in resize2fs when growing or shrinking ext4 filesystems off-line (i.e., when the ext4 filesystem is not mounted).

Debugfs can now set i_file_acl_high via the set_inodes_field command, and print a 64-bit file acl. This is useful for debugging filesystem corruptions where the high bits of i_file_acl_high are set. E2fsck will detect and fix non-zero i_file_acl_high on 32-bit filesystems since some Linux kernel versions pay attention to this field even when they shouldn't.

Speed up e2fsck when checking clean filesystems by avoiding unnecessary block reads, and coalescing the block group descriptor blocks so they are read using a single read operation.

The libuuid library will now close all file descriptors before running uuidd. This avoids problems when the calling program has open sockets which then never get closed because uuidd is a long-running helper daemon. (Addresses Launchpad bug: #305057)

In order to avoid unnecessary full filesystem checks by e2fsck after an on-line resize, e2fsck will ignore the NEEDS_RECOVERY flag set on the backup superblocks. (Addresses Red Hat Bugzilla: #471925)

Mke2fs will avoid trying to create the journal when run in superblock-only mode (mke2fs -S), since the left-over journal in the inode table will cause mke2fs to fail.

Fix a bug in libext2fs functions that check to see if a particular device or filesystem image is mounted, which would cause these functions to report that a file identical to the (relative) pathname used by a pseudo-filesystem was mounted when in fact it was not.

Update Czech translation from the Translation Project.

Add Chinese (simplified) translation from the Translation Project.

Fix support for external journals (which was broken in e2fsprogs 1.41.4).

Fix a regression in debugfs where the "stat" command when no filesystem was open would cause debugfs to crash with a segmentation violation.

Starting in the 2.6.29 linux kernel, the ext4 filesystem driver can be used to support filesystems without a journal. Update the blkid library so it understands this.

The blkid library will remove an entry from the blkid cache representing the entire disk if partitions are found, since presumably the device previously had no partition table, but has now transitioned to using a partition table.

Add a check to mke2fs and tune2fs that the argument to the -m option (which specifies the reserved ratio) must be greater than zero. (Addresses Debian Bug: #517015)

Add support for tracking the number kilobytes written to the filesystem via the superblock field s_kbytes_written. It will be updated by the kernel as well as by e2fsprogs programs which write to the filesystem. This is useful for tracking the wear to filesystems on Solid State Drives.

Fix compatibility issue in the libext2fs info file and makeinfo version 4.12. (Addresses Red Hat Bugzilla: #481620)

Update/clarify man pages. (Addresses Debian Bugs: #515693, #365619)

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bug: #506279)

Programmer's Notes

Fix Hurd compilation problem in e2fsck and tune2fs (Addresses Debian Bug: #521602)

Fix various gcc compilation warnings and other programming cleanups. (Addresses Red Hat Bugzilla: #486997)

Add support for building the blkid command statically.

Add support for disabling the built-in blkid library in favor of a system-installed blkid implementation via the configure option --disable-libblkid.

E2fsprogs 1.41.4 (January 27, 2009)

Fixed a bug which could sometimes cause blkid to return an exit value of zero for a non-existent device (Addresses Debian Bug: #502541)

Blkid will now recognize ext3 filesystems that have the test_fs flag set as ext3 filesystems.

The blkid library will now recognize btrfs filesystems and swap devices currently used by user-level software suspend.

Tune2fs now updates the block group checksums when changing the UUID to avoid causing e2fsck to complain vociferously at the next reboot.

Tune2fs's inode size resizing algorithms have been fixed so it is not vastly inefficient for moderate-to-large filesystems, due to some O(n**2) and O(n*m) algorithms that didn't scale well at all.

Fix tune2fs's inode resizing algorithm so it will not corrupt filesystems laid out for RAID filesystems; in addition, tune2fs will refuse to change the inode size for filesystems that have the flex_bg feature enabled. (This is a limitation in the current implementation of tune2fs -I.)

E2fsprogs 1.41 broke debugfs's logdump command for normal ext3/4 filesystems with 32-bit block numbers, when the headers for 64-bit block numbers was added. This regression has been fixed.

Debugfs's ncheck command has been fixed to avoid printing garbage characters at the end of file names.

Fix resize2fs for ext4 filesystems. Some blocks that that need moving when shrinking filesystems with uninit_bg feature would not be moved. In addition, blocks and inode table blocks were not being correctly freed when shrinking filesystems with the flex_bg feable, which caused resize2fs -M to fail. Finally, when blocks are moved, make sure the uninitialized flag in extents is preserved.

Fix bug which caused dumpe2fs to abort with an error if run on a filesystem that contained an external journal.

Some distributions used "mke3fs" as an alias for "mkfs.ext3"; check for this in argv[0] to provide better legacy support for these distributions. This is a practice that should NOT be continued, however.

Mke2fs now has a new option -U, which allows the user to specify the UUID that should be used for the new filesystem.

Mke2fs will treat devices that are exactly 16TB as if they were 16TB minus one block. This allows users who have read that ext3 supports up to 16TB filesystems and who create a 16TB LVM to not get confused, since the true limit is really 16TB minus one block.

E2fsck will no longer abort an fsck run if block group has an errant INODE_UNINIT flag.

E2fsck now distinguishes between fragmented directories and fragmented files in verbose mode statistics and in the fragcheck report.

Fix a bug in e2fsck which caused it double count non-contiguous extent-based inodes.

E2fsck will leave some slack space when repacking directories to allow room for a few directory entries to be added without causing leaf nodes to be split right away.

Fix a bug which caused e2fsck to crash when it comes across a corrupted interior node in an extent tree with the error message: "Error1: Corrupt extent header on inode XXXXXX"

E2fsck problem descriptions involving the journal are no longer referred to as "ext3" problems, since ext4 filesystems also have journals.

Fix a long-standing bug in e2fsck which would cause it to crash when replying journals for filesystems with block sizes greater than 8k.

Update Catalan translation from the Translation Project.

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bugs: #503057, #502323, #511207)

Programmer's Notes

Fix build of e2fsck.profiled, and add support for building profiled binaries in the misc directory if configured with --enable-profile.

The ext2fs_open() function now performs more sanity checks on the superblock to avoid potential divide by zero errors by other parts of library.

The ext2fs_read_inode_full() function now has a safety check to avoid a segmentation fault on corrupted filesystems.

The ext2fs_new_inode() function now has a sanity check so that if the s_first_inode field in the superblock is insane, it will return EXT2_ET_INODE_ALLOC_FAIL instead of returning an invalid inode number.

To avoid segmentation faults, ext2fs_block_alloc_stats() and ext2fs_inode_alloc_stats() now validates the passed inode or block number to avoid overrunning an array boundary.

Various signed/unsigned errors for variables containing block numbers have been fixed.

Accommodations for gcc's stupidity in not realizing that constant strings that do not contain a '%' character are safe to use in format strings have been made so that distributions that want to compile e2fsprogs with -Werror=format-security have an easier time doing so.

Added a new 64-bit getsize interface, ext2fs_get_device_size2().

Added the utility make-sparse.c to the contrib directory.

The ext2fs_block_iterate2() function now reflects errors from ext2fs_extent_set_bmap() to the caller, if the callback tries to change a block on an extent-based file, and ext2fs_extent_set_bmap() fails for some reason (for example, there isn't enough disk space to split a node and expand the extent tree.

The ext2fs_block_iterate2() function will preserve the uninit flag in extents when the callback function modifies a block in an extent-based file.

E2fsck will now flag filesystems that have an insane s_first_ino field in their superblock, and attempt to use a backup superblock to repair the filesystem.

E2fsprogs 1.41.3 (October 12, 2008)

E2fsck has been fixed so it prints the correct inode number for uinit_bg related problems.

E2fsck will now offer to clear the test_fs flag if the ext4 filesystem is available on linux. This can be disabled via a configuration option in /etc/e2fsck.conf.

Fix a file descriptor leak in libblkid when checking to see if an ext4 or ext4dev module exists.

Fix a bug in e2fsck where in preen mode, if there are disk I/O errors while trying to close a filesystem can lead to infinite loops. (Addresses Red Hat Bugzilla: #465679)

Fix a bug in resize2fs where passing in a bogus new size of 0 blocks will cause resize2fs to drop into an infinite loop. (Addresses Red Hat Bugzilla: #465984)

Add a check in the Unix I/O functions in libext2fs so that when a device is opened read/write, return an error if the device is read-only using the BLKROGET ioctl.

Fix debugfs's ncheck command so that it prints all of the names of hardlinks in the same directory.

Fix a bug in libblkid so it correctly detects whether the ext4 and ext4dev filesystems are available, so that the ext4dev->ext4 fallback code works correctly.

Programmer's Notes

Fix a parallel build problem by making sure util/subst is built before trying to build the lib/et directory. (Addresses Sourceforge Bug: #2143281)

Updated "make depend" information for crc16.o

E2fsprogs 1.41.2 (October 2, 2008)

Fix e2fsck's automatic blocksize detection. This fixes a regression from e2fsprogs 1.40.7 which caused e2fsck to fail if the user specifies a block number using the -b option if the blocksize option isn't also specified using -B. Unfortunately, users very commonly invoke e2fsck using "e2fsck -b 32768 /dev/hdXXX" to use the backup superblock; in fact e2fsck will often suggest this kind of command line. Oops.

Enhance the debugfs's "ncheck" command so it will print all of the pathnames for the specified inodes. (Previously, in some cases ncheck might not print a pathname for an inode at all if some of the other inodes had multiple hard links.)

Enhance debugfs's "hash" command so the hash seed can be specified via a command-line option. In addition, allow the hash algorithm to be specified by name instead of just by number.

Fix e2fsck so that we don't accidentally print the translation file's header when asking the user a custom question so there is no prompt defined for a particular problem record. For example, the question "Run journal anyway" will get the PO header tacked on because e2fsck erroneously passed the null string to _(). (Addresses Launchpad Bug: #246892)

Enhance badblocks so that it can test a normal file which is greater than 2GB.

Enhance the badblocks command so that it displays the time and percentage complete when in verbose mode. (Addresses Debian Bug: #429739)

Fix a potential memory leak in a error handling path in debugfs's ncheck function.

Fix a potential memory corruption problem if a memory allocation fails in resize2fs.

Fix the usage message for debugfs's logdump command to be consistent with its man manpage.

Update Polish, French, Vietnamese, Dutch, Indonesian, German, Czech, and Swedish translations from the Translation Project.

Add documentation for the file I/O functions to the libext2fs.texinfo file. (Addresses Debian Bug: #484877)

Update and clarified various man pages. (Addresses Launchpad Bug #275272; Addresses Debian Bugs: #498100, #498101, #498102, #498103)

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bug: #497619)

Programmer's Notes

Fix a potential file descriptor leak in libcom_err by setting the close-on-exec flag for a fd used for debugging. (Addresses Red Hat Bugzilla #464689)

Fix a potential race in libcom_err by using sem_post/sem_init. SuSE has been carrying a patch for a long time to prevent a largely theoretical race condition if a multi-threaded application adds and removes error tables in multiple threads. Unfortunately SuSE's approach breaks compatibility by forcing applications to link and compile with the -pthread option; using pthread mutexes has historically been problematic. We fix this by using sem_post/sem_init instead.

Fix e2fsprogs-libs build failure due to 'subs' target. (Addresses Sourceforge Bug: #2087502)

Avoid linking e2initrd_helper, debugfs, blkid, and fsck with unneeded libraries when using ELF shared libraries.

Fix ELF shared library when building on systems that don't already have the e2fsprogs shared libraries already installed. (Addresses Sourceforge Bug: #2088537)

Fix the pkg-config files so they work correctly when linking with static libraries and fix the include directory so programs don't have to use #include , but can use #include instead. (Addresses Sourceforge Bug: #2089537)

Make sure ext2fs_swab64() is compiled for all platforms, and not just for x86. (Addresses Debian Bug: #497515)

Remove the unused ext2fs_find_{first,ext}_bit_set() functions for all non-x86 platforms. (They had been removed for x86 earlier.)

Fix diet libc compilation support, which had bitrotted due to lack of TLC. Fixing this improves general portability.

When installing the link library when using ELF shared libraries, avoid using absolute pathnames if the link library and the shared library are installed in the same directory. (Addresses Sourceforge Bug: #1782913)

Fix gen-tarball so it will work even if the top-level directory has been renamed to something other than "e2fsprogs". Also make gen-tarball print the size of the resulting tar.gz file.

E2fsprogs 1.41.1 (September 1, 2008)

Many people are forgetting to update their mke2fs.conf file, and this causes ext3, ext4, and ext4dev filesystems won't get created with the proper features enabled. We address this in two ways. First, mke2fs will issue a warning if there is not definition for an ext3, ext4, or ext4dev filesystem and the user is trying to create such a filesystem type. Secondly, when installing from a source build, "make install" will provide basic configuration file handling for /etc/mke2fs.conf. If it exists, and does not mention ext4dev, it will be moved aside to /etc/mke2fs.conf.e2fpsrogs-old and the new /etc/mke2fs.conf file will be installed. If the existing /etc/mke2fs.conf file does mention ext4dev, then "make install" will install official mke2fs.conf file as /etc/mke2fs.conf.e2fsprogs-new and issue a message to the user that they should look to see if any changes need to be merged.

The mke2fs program will now create the journal in the middle of the filesystem, since this minimizes seek times on average for fsync-heavy workloads. In addition, mke2fs will now create journals using extents for filesystems that support them. This results in a more efficient encoding for the journal since it eliminates the need for using indirect blocks.

The mke2fs program will avoid allocating an extra block to the journal. (Addresses Sourceforge Bug: #1483791)

Mke2fs will correctly enforce the prohibition against features (specifically read-only features) in revision 0 filesystems. (Thanks to Benno Schulenberg for noticing this problem.)

Mke2fs previously would occasionally create some slightly non-optimally placed inode tables; this bug has been fixed.

The mke2fs and tune2fs programs now print the correct usage message describing the maximum journal size. (Addresses Debian Bug: #491620)

Add support for setting the default hash algorithm used in b-tree directories in tune2fs (from a command-line option) or mke2fs (via mke2fs.conf). In addition, change the default hash algorithm to half_md4, since it is faster and better.

The blkid library will now recognize MacOS hfsx filesystems, and correctly extract the label and uuid for hfs, hfsx, and hfsplus filesystems. (Addresses Sourceforge Feature Requests: #2060292)

The blkid library has improved detection of JFS and HPFS filesystems. (Addresses Launchpad Bug: #255255)

The blkid library is now much more efficiently handling devicemapper devices, mainly by no longer using the devicemapper library. This can speed up access for systems with a large number of device mapper devices.

Blkid had a number of cache validation bugs in libblkid that have been fixed. (Addresses Debian Bug: #493216)

Resize2fs will now properly close out the "updating inode references" progress bar so there is a newline printed before printing the final "resize is successful" message.

Resize2fs will now correctly handle filesystems with extents and/o uninitialized block groups correctly when file/directory blocks need to relocated (i.e., when shrinking a filesystem or if the resize_inode is not present). To support this, the ext2fs library now supports initializing inode and block bitmaps that are not yet initialized when allocating them using ext2fs_new_block() and ext2fs_new_inode(). In addition, e2fs_block_iterate2() can now support changing the location of interior nodes of an extent tree, and ext2fs_extent_set_bmap() has been optimized to avoid creating unnecessary new extents when updating the location of blocks in the extent tree. This will also help out e2fsck's recovery of obscurely corrupted filesystems with extents, when blocks are claimed by multiple inodes.

Add support for on-line resizing ext4 filesystem with the flex_bg filesystem feature. The method for doing so is not optimal, but to do a better job will require kernel support.

E2fsprogs 1.41.0 introduced a bug in libext2fs which casued e2image and debugfs programs to not be able to read e2image files; the signed vs. unsigned bug in the code which read bitmaps from the e2image has been fixed. (Addresses Debian Bug: #495830)

Resize2fs is now correctly managing the directory in-use counts when shrinking filesystems and directory inodes needed to be moved from one block group to another. This bug has been around since e2fsprogs 1.26, and is largely harmless, but does cause a filesystem corruption which will be flagged by e2fsck after the filesystem has been shrunk.

E2fsck will no longer issue spurious complaints about the inode size caused by very large extent-based files, and by blocks reallocated using fallocate() with the FALLOC_FL_KEEP_SIZE option. (Addresses Kernel Bugzilla: #11341)

Mke2fs will now set the creation timestamp on the lost+found directory and the root directory. (More generally, all new inodes created using the ext2fs library will correctly set the creation timestamp.)

E2fsck now correctly calculates ind/dind/tind statistics in the presence of extent-based files. In addition, "e2fsck -v" will report statistics of the depth of extent trees in the filesystem. E2fsck can also give an inode fragmentation report using "e2fsck -E fragcheck" which can be useful when debugging the kernel block allocation routines.

Fix support for empty directory blocks in ext4 filesystems with 64k blocksize filesystems.

E2fsck will now print the depth of corrupt htree directories.

Debugfs's htree command now correctly understands extent-based directories. It will also print out the minor hash as well as the major hash.

Debugfs has a new command which will print the supported features of e2fsprogs, to enable scripts to know whether the installed version of e2fsprogs can support a specific feature.

Debugfs will now write files using extents for filesystems that support them.

The error message printed by "tune2fs -I" if the inode size was too small was rather confusing, so it has been improved. Also, we won't try to create an undo log until we know that command-line-specified parameters such as "tune2fs -I " are valid.

Given some filesystems found "in the wild" that had non-zero block group checksums even though the uninit_bg/gdt_sum feature was not enabled, e2fsck would issue spurious error messages. Teach ext2fs_group_desc_csum_verify() to ignore the block group checksum entirely if the feature flag is not set. (Addresses Debian Bug: #490637)

The blkid program will now print out a user-friendly listing of all of the block devices in the system and what they contain when given the -L option. (Addresses Debian Bug: #490527)

The filefrag program now has a more accurate calculation for the number of ideal extents. (Addresses Debian Bug: #458306)

The test I/O manager is now enabled by default, but its overhead is only incurred when it would be enabled via the TEST_IO_FLAGS or TEST_IO_BLOCK environment variables.

Typographical errors in various program strings and usage messages have been fixed; most of these were pointed out by the e2fsprogs message catalog translators. (Thanks, translators!)

Update and clarified various man pages, as well as some typographical errors in the libext2fs texinfo file.

Fixed various Debian packaging issues --- see debian/changelog for details.

Add Indonesian and update French, Polish, Dutch, German, Swedish, Czech, and Vietnamese Translations. (Addresses Debian Bugs: #313697, #401092)

Programmer's Notes

Fix portability problem with the badblocks group; for systems that don't have nanosleep(), try using usleep() instead.

The "make check" target in the e2fsck directory now sets LD_LIBRARY_PATH before running the various e2fsck internal library regression tests.

The crc32 regression test in the e2fsck library is now portable to greater variety of environments, including big-endian systems and when cross-building e2fsprogs for embedded systems. (Addresses Sourceforge Bug: #2019287)

The ext2fs_extent_set_bmap() had some bugs when setting the first block in a file, or when replacing a single block extent. Those cases fortunately were came up relatively rarely when e2fsck was checking files, but caused some problems when resize2fs was shrinking extent-based files.

Fix a potential core-dumping bug in libe2p's iterate_on_dir() function.

Various ext2fs library functions --- ext2fs_block_iterate2(), ext2fs_initialize() and ext2fs_extent_open() --- now correctly free allocated memory to avoid memory leaks in all of their error return paths.

Ext2ed was failing to build because masix support had been removed in the rest of e2fsprogs, so ext2ed no longer has masix support, either.

The configure script now respects the LDFLAGS environment variable if it is set when configure is called. (Addresses Sourceforge Feature Request: #1937287)

Libuuid is now more portable to the Windows platform. (Addresses Sourceforge Feature Request: #1937287)

The configure script now uses AC_MSG_{RESULT,WARN,ERROR} instead of bare echo commands so that configure flags such as --quiet work correctly. (Addresses Sourceforge Patches: #2058794)

A few uses of sprintf have been removed from the ext2fs library to make life easier for bootloaders with a limited libc environment. (Addresses Sourceforge Bug: #2049120)

The ext2fs_read_inode() checks the validity of the inode number passed to it earlier, to avoid doing some needless work when it would fail anyway.

The ext2fs_open() checks the validity of the blocksize parameter passed to it earlier, to avoid doing some needless work when it would fail anyway.

Disable a very annoying automatic "%.sh -> %" GNU make rule in the top-level Makefile. That automatic rule is used to better support SCCS, but it caused problems for a particular niche distribution which likes to use configure.sh files to store the configure options used to build a package. Unfortunately GNU make will use the configure.sh to replace the configure script, resulting in a self-inflicted fork bomb leading to an out-of-memory crash.

To support old GNU C compilers don't use C99/C++ comments, but only K&R style comments, and don't try to use __builtin_expect if __GNUC__ is less than 3. (__builtin_expect is only supported for gcc versions 2.96 and up, and it's tricky to check for gcc 2.95 vs gcc 2.96; since this is an optimization, we only try to use __builtin_expect for gcc 3 and up.)

In e2fsck's crc routines, make sure we use WORDS_BIGENDIAN instead of __LITTLE_ENDIAN, which are only defined by glibc's header files and hence isn't portable.

For the convenience for some distributions that need a static tune2fs, the Makefile for misc/ now has a tune2fs.static target.

The ext2fs_block_iterate2() function now supports BLOCK_FLAG_APPEND for extent-based files

The ext2fs_bmap() function now supports BMAP_ALLOC for extent-based files.

All source files no longer have any trailing white space.

The io_channel_read_blk64() and io_channel_write_blk64() functions are now functions instead of C preprocessor macros to provide better forward compatibility.

The e2fpsrogs translation template now expands the @x abbreviation.

Various namespace leakages in libblkid, libe2p, and libext2fs have been fixed.

Fix a parallel build problem in e2fsprogs.

E2fsprogs is now more portable to Solaris.

  • blkid no longer assumes that the TIOCGSIZE and TIOCGWINSZ ioctl's are always present.
  • Scripts do not assume that /bin/true is always in /bin
  • Don't use __FUNCTION__ since Solaris's C99 doesn't support it.
  • Flush stdio handles before calling setbuf(), since Solaris will discard any pending output to the stream.
  • Define _XOPEN_SOURCE to 600 since Solaris's header files are very picky about which C compiler can be used for SUSv3 conformance. Use of C99 is not compatible with SUSv2 (_XOPEN_SOURCE=500), and C89 is not compatible with SUSv3 (_XOPEN_SOURCE=600). Since we need some SUSv3 functions, consistently use SUSv3 so that e2fsprogs will build on Solaris using c99.
  • Solaris C99 does not support varargs C preprocessor macros
  • Solaris header files pollute the C namespace if in/netinet.h is included, which conflicts with e2fsprogs' use of the kmem_cache_t typedef.
  • Solaris ships with a pathetically ancient shell in /bin/sh so we avoid the use of various more advanced shell constructs such as $().]

The "make rpm" command will now take some extra configure options from the build environment without needing to patch the source tree.

The ext2fs_add_dir_block() function will now grow the dblist more aggressively as an optimization to avoid copying the array too often.

The e2fsck_write_bitmaps() will write the block and inode bitmaps together instead of in two passes.

E2fsprogs 1.41.0 (July 10, 2008)

Add support for ext4 filesystem features, in particular extents, uninit_bg, flex_bg, huge_file, and dir_nlink features. Also add support for checking journal checksums. Debugfs will print new superblock and inode fields that were defined for ext4. For example, the nanosecond and i_version fields of an inode, and the s_min_extra_isize and s_wanted_extra_isize fields from the superblock. Note: Resize2fs doesn't currently support the combination of flex_bg and !resize_inode. (Addresses Debian Bug: #388452, #425477)

Tune2fs can support migrating a filesystem from using 128 byte inodes to 256 byte inodes, so it can take advantage of the full features of ext4.

Add support for "undo" support. E2fsck and mke2fs can optionally record an undo log which can replayed by the program e2undo.

E2fsck could damage a filesystem by trying to relocate inode tables due to corrupted block group descriptors, where the attempted inode table relocation would do far more harm than good. E2fsck has been fixed to detect this these sorts of corrupted block group descriptors much earlier in e2fsck processing, so it can try to use the backup superblock and block group descriptors first. This should be a much better strategy for recovering these types of corrupted filesystems. (Addresses Sourceforge Bug: #1840291)

E2fsck will display a more understandable message when the last check field in the superblock is in the future. (Addresses Debian Bug: #446005).

E2fsck now performs more extensive and careful checks of extended attributes stored in the inode.

Enhance mke2fs to print a more explanatory error message when ext2fs_get_device_size() returns EFBIG. (Addresses Debian Bug: #488663)

Fix mke2fs to use a default block size of 4k when formatting an external journal device. This is done by using a fixed filesystem type list that consists only of the single filesystem type "journal" when looking up configuration keys in /etc/mke2fs.conf. (Addresses Debian Bug: #488663)

Speed up how mke2fs writes the journal data blocks by writing the disk blocks in larger chunks.

Fix blkid handling of stale devices. Fix a bug which could cause a core dump while garbage collecting the blkid cache, and assure that blkid_find_dev_with_tag() never returns a non-existent device. Also, if a filesystem is found at a new /dev location, eliminate any duplicate stale entries which can not be verified. (Addresses Debian Bugs: #487758, #487783)

Add more paranoid checks for LVM volumes and swap partitions in blkid's probe function, to reduce the chances of false positives.

The mke2fs program now has a much more sophisticated system for controlling configuration parameters of a newly created filesystem based on a split filesystem and usage type system. The -t option to mke2fs was a deprecated alias to -c; it now specifies a filesystem type (ext2, ext3, ext4, etc.), while the -T option can now be a comma separated usage list. The filesystem type information and type information is used to extract configuration parameters from the /etc/mke2fs.conf file.

The mke2fs program will no longer complain and request the -f option when the user tries to create a filesystem with greater than 2**31 blocks.

When creating a filesystem for the GNU Hurd use a fs-type of Hurd and adjust the mke2fs.conf file so filesystems for the Hurd are created with a blocksize of 4096 and inode size of 128, which is all it knows how to handle. (Addresses Debian Bug: #471977)

Mke2fs will always make sure that lost+found always has at least 2 blocks, even for filesystems with very large blocksizes (i.e., 64kb).

Resize2fs will now print the minimum needed filesystem size if given the -P option, and will resize the filesystem to the smallest possible size if given the -M option.

Fix resize2fs to clean up the resize_inode if all of the reserved gdt blocks are consumed during an off-line resize.

The "ls" command in debugfs now supports the -p option, which causes it to quote the filenames so that spaces or tabs in directory entries are easily visible. (Addresses Red Hat Bugzilla: #149480; Addresses Sourceforge Feature Request: #1201667)

Fix a potential off-by-one buffer overflow in the fs_device_name in an e2image file.

The chattr program will return a non-zero exit code in case of failures, and error messages can be suppressed with the -f option. (Addresses Red Hat Bugzilla: #180596)

Fix a bug in badblocks which caused it to overrun an array and likely crash if more than 8 test patterns are specified using the -t option. (Addresses Debian Bug: #487298)

Add support to badblocks to limit how quickly it reads from the disk drive (so it can be used for background scrubbing), and so it will abort after finding a given number of errors.

Remove support for the legacy big-endian filesystem format which only existed on extremely long-dead PowerPC kernels almost a decade ago.

Remove MASIX support from e2fsprogs.

Add I/O statistics reporting to e2fsck.

Update Vietnamese, Polish, French, Spanish, German, Catalan, Dutch, Czech translations.

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bugs: #487443, #487675, #490003)

Fixed spelling mistakes, typos, and otherwise clarified man pages. (Addresses Debian Bugs: #393313, #487849, #440983, #440981)

Programmer's Notes

Factor out bitmap code in preparation for adding 64-bit new-style bitmaps.

Fix gcc -Wall warnings

Fix the pkg-config files so that private libraries are specified in "Libs.private:".

Fix the libext2fs.texinfo manual so it builds with modern versions of texinfo.

Silence the makefile from showing the awk command used to build the

Clean up the badblocks group so to make it more portable and robust.

Avoid using predictable filenames in /tmp in blkid's regression test suite. Also remove bashism's in the regression test script.

If the configure script is given --with-diet-libc, don't use thread local storage, since diet libc doesn't support TLS. (Addresses Sourceforge Bug: #2000654)

Fix the blkid regression test suite to tolerate older versions of mkswap that don't support the -U option.

A few library routines have been converted to support 64-bit block numbers; in particular, the I/O manager functions, the test_io, inode_io, and unix_io managers have all be converted to support 64-bit operation.

Debugfs can now be extended for use by test programs. See lib/ext2fs/extents.c for an example for how it can be used. The test program links against the debugfs object files, and provides additional commands by defining an auxiliary libss command table.

The lazy_bg filesystem feature, which was only used by developer's testing, has been removed since it has been largely supplanted by uninit_bg. This also simplifies the code.

E2fsprogs 1.40.11 (June 17, 2008)

Mke2fs, tune2fs, and resize2fs now use floating point to calculate the percentage of reserved blocks. (Addresses Debian Bug: #452639)

Updated Spanish and Catalan translations.

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bugs: #483962, #483023)

Add detection for ZFS volumes to the libblkid library.

Fixed spelling mistakes, typos, and otherwise clarified man pages. (Addresses Debian Bug: #486463)

Programmer's notes

Fix marginal C code in probe_lvm2() function to the blkid library more portable for older compilers.

Fix build problems on MacOS X. (Addresses Sourceforge Bug: #1972473)

Fix ext2fs_swap{16,32,64} functions so they can be used by external applications on big-endian machines. (Addresses Debian Bug: #484879)

E2fsprogs 1.40.10 (May 21, 2008)

When deciding whether or not to revalidate a blkid cache entry, if the device's mtime is newer than the last time the cached entry was validated, force a revalidation.

Fix a potential data corruption bug in e2fsck in the journal replay. The chances of this is happening is extremely remote, especially the default data=ordered or data=writeback modes. However, if a block which has been journalled starts with the first four bytes 0xc03b3998, when e2fsck replays the journal, those four bytes will be replaced with zero's. Fortunately, it is highly, highly unlikely for e2fsck metadata to begin with those fatal 4 byte sequence, and unless data=ordered mode is in use, data blocks are never journalled.

Updated German, Dutch, Swedish, and Vietnamese translations.

Programmer's notes

Fixed various Debian packaging issues --- see debian/changelog for details.

Remove default sizes of types when cross compiling, since autoconf 2.50 can figure this out automatically now.

E2fsprogs 1.40.9 (April 27, 2008)

SuSE's security team audited uuidd and came up with a few minor issues. None of them are serious given that uuidd runs setuid as a unprivileged user which has no special access other than libuuid directory, but it's good to get them fixed.

One additional fix in ext2fs_swap_inode_full() needed for resize2fs to work correctly with in-inode extended attributes.

Updated German, Czech, Dutch, French, Polish, Swedish, and Vietnamese translations.

Debugfs will avoid using a pager if the standard output is not a tty.

Fix debugfs and tune2fs to correctly handle daylight savings time when parsing a time string.

Fixed spelling mistakes, typos, and otherwise clarified man pages.

Fix fsck completion bars when multiple filesystems were being checked in parallel. (Addresses Debian Bug: #432865, Addresses Launchpad Bug: #203323, Addresses Sourceforge Bug: #1926023)

Fix fsck so that progress information is sent back correctly when multiple filesystems are being check and the output of fsck is being redirected to a file descriptor. Also, include the device name (w/o spaces) in the progress information sent back via a file descriptor. (Addresses Launchpad Bug: #203323, Addresses Sourceforge Bug: #1926023)

Teach fsck to treat "ext4" and "ext4dev" as ext* filesystems.

If logsave receives a SIGTERM or SIGINT signal, it will now pass that signal to its child process.

Fix mke2fs's creation of are resize inode when there is a non-standard s_first_data_block setting.

Fix bug in blkid when run by an unprivileged user; most devices were not reported correctly. 9Addresses Launchpad Bug: #220275)

Mke2fs will not allow the logically incorrect combination of resize_inode and meta_bg, which had previously caused mke2fs to create a corrupt filesystem.

Fix fsck in German locales so that a 'j' means yes. (Addresses Sourceforge Bug: #1947683)

Programmer's notes:

Fixed various Debian packaging issues --- see debian/changelog for details.

Update valgrind options in test_script to work with valgrind 3.2.3

Update texinfo.tex to a much newer version from the FSF.

Remove bashism for configure script and from the lib/ss Makefile. Addresses Sourceforge Bug: 1921969

Fix some silently broken tests: m_no_opt, m_meta_bg, and m_raid_opt.

Fix build system so that if texinfo is not installed, it won't print a (harmless) error message.

E2fsprogs 1.40.8 (March 13, 2008)

Fixed e2image -I so it works on image files which are larger than 2GB.

Fixed e2fsck's handling of directory inodes with a corrupt size field. If the size is larger than the number of blocks found in the inode, don't try to allocate extra empty blocks at the end of the directory to make up the difference; there's no point to doing that. In addition, if the size is not a multiple of a blocksize, always fix it.

E2fsck handled a pass 2 "should never happen error" by not giving enough information and then core dumping. Unfortunately, it was all too easy to trigger the "should never happen" situation if a directory's inode size was not correct. This has been fixed, but e2fsck has also been taught how to handle this situation more gracefully, by simply removing the inode hash tree information, so that it can be rebuilt again after e2fsck's pass 3. (Addresses Launchpad Bug: #129395)

Resize2fs had a bug resizing large inodes with extended attributes that was fixed in 1.40.6; unfortunately, it turned out it wasn't fixed completely on big-endian systems such as PowerPC. The bug should be completely fixed now. Yay for regression test suites. (Addresses Red Hat Bugzilla: #434893)

Updated German, Czech, Dutch, Polish, Swedish, and Vietnamese translations. Many thanks to Philipp Thomas from Novell for stepping up to become the new German translation maintainer! (Addresses Debian Bugs: #302512, #370247, #401092, #412882).

When e2fsck is clearing a corrupt inode's HTREE directory information, make it clear that it is just clearing the HTREE information, not the entire inode.

Fixed spelling mistakes, typos, and otherwise clarified man pages.

Programmer's notes

Add new functions, ext2fs_dblist_get_last() and ext2fs_dblist_drop_last(), which allows the caller to examine the last directory block entry added to the list, and to drop if it necessary.

Fixed a portability problem in libblkid with DJGPP.

Fix an obvious typo in an "internal error" message in e2fsck. Thanks to Philipp Thomas for pointing this out.

If the info files are not built, change "make install" so it doesn't fail with an error code.

E2fsprogs 1.40.7 (February 28, 2008)

Remove support for clearing the SPARSE_SUPER feature from tune2fs, and depreciate the -s option, since it can result in filesystems which e2fsck can't fix easily. There are very good reasons for wanting to disable sparse_super; users who wants to turn off sparse_super can use debugfs. (Addresses Sourceforge Bug: #1840286)

Add missing options to mke2fs's usage message. (Addresses Sourceforge Bug: #1751393)

Fix bug in resize2fs when large (greater than 128 byte) inodes are moved when a filesystem is shrunk; it was only moving the first 128 bytes, so extended attributes were not getting moved. (Addresses Red Hat Bugzilla: #434893)

E2fsck now prints an explicit message when the bad block inode is updated, to avoid confusion about why the filesystem was modified. (Addresses Sourceforge Bug: #756460)

Allow mke2fs and tune2fs manipulate the large_file feature. Previously we just let the kernel and e2fsck do this automatically, but e2fsck will no longer automatically clear the large_file feature. It still isn't really necessary to worry about this feature flag explicitly, but some users seem to care. (Addresses Red Hat Bugzilla: #258381)

Suppress message about an old-style fstab if the fstab file is empty. (Addresses Debian Bug: #468176)

Fix (really minor) bug in debugfs's find_free_block so it avoids reporting a free block more than once if there are too few free blocks in the filesystem. (Addresses Sourceforge Bug: #1096315)

Change e2fsck to no longer clear the LARGE_FILES feature flag automatically, when there are no more > 2GB files in the filesystem. It's been almost a decade since there have been kernels that don't support this flag, and e2fsck clears it quietly without telling the user why the filesystem has been changed.

Fix bug which could cause libblkid to seg fault if a device mapper volume disappears while it is being probed. (Addresses RedHat Bugzilla: #433857)

Enhance e2fsck's reporting of unsupported filesystem feature flags. (Addresses Sourceforge Feature Request: #1175808)

Fix option syntax in dumpe2fs for explicit superblock and blocksize parameters. What was currently documented in the man page has been broken for some time, due to getopt() implementation changes. The option syntax has been changed to one which is can be more portable supported and which is consistent with the format for extended options in mke2fs and tune2fs. (Addresses Sourceforge Bug: #1830994)

Add support to tune2fs to clear the resize_inode feature. This requires an fsck afterwards. (Addresses Red Hat Bugzilla: #167816)

Teach blkid to detect LVM2 physical volumes. (Addresses Red Hat Bugzilla: #409321)

Add support for setting RAID stride and stripe-width via mke2fs and tune2fs. Teach dumpe2fs to print the RAID parameters.

Add support for setting new superblock fields to debugfs's set_super_value.

Add support for printing "mostly-printable" extended attributes in Debugfs.

Add support for the -M option to fsck, which causes it to ignore mounted filesystem.

Fix uuidd so that it creates the pid file with the correct pid number. (Addresses Sourceforge Bug: #1893244)

Fix various gcc -Wall warnings.

Update Czech, Dutch, Polish, Swedish, and Vietnamese translations

Fixed spelling mistakes, typos, and otherwise clarified man pages. (Addresses Sourceforge Patch: #1399325)

Programmer's notes

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bug: #466929)

Add new flag EXT2_FLAG_NONFREE_ON_ERROR ext2fs_open2() which returns a partially filled-in filesystem object on an error, so that e2fsck can print more intelligent error messages.

Add a new function e2p_edit_feature2() which allows the caller to specify which feature flags are OK to set or clear, and which returns more specific information about feature flags which are not allowed to be set/cleared.

Set the C locale in the test_script driver since it uses [A-Za-z]. (Addresses Sourceforge Bug: #1890526)

Use fcntl locking instead of lockf in libuuid since Cygwin doesn't support lockf().

Change configure.in to avoid using the 'dc' command unless it is absolutely needed. (i.e., when using parsing a WIP-style version number) (Addresses Sourceforge Bug: #1893024)

Add portability checks to support compilation under DJGPP.

Update to the latest samba tdb code before the LGPLv3 change, which fixes a realloc() leak on failure.

Fix memory leak in ext2fs_alloc_block().

Fix makefile dependency issues for various install targets. (Addresses-Sourceforge-Patches: #1903484, #1903466, #1903456)

Improve descriptions for the r_move_itable and r_resize_inode tests.

E2fsprogs 1.40.6 (February 9, 2008)

Add support for returning labels for UDF filesystems in the blkid library.

Fix bug in the blkid library where cached filesystems was not being flushed when opening USB devices returned the error ENOMEDIUM. (Addresses Debian Bug: #463787)

Added logic to the blkid library to automatically choose whether a filesystem should be mounted as ext4 or ext4dev, as appropriate.

Allow tune2fs to set and clear the test_fs flag on ext4 filesystems.

Fix a bug in e2fsck which caused it to core dump if e2fsprogs had been configured with --enable-jbd-debug.

Document the BLKID_FILE environment variable in the libblkid man page

Programmer's Notes

Update e2fsprogs translation template and Vietnamese and Czech translations

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bugs: #436058)

Don't try to create $DESTDIR/etc/init.d as part of make install as we don't install the init.d script (and it's not the recommended way to start uuidd anyway). (Addresses Sourceforge Bug: #1885085)

Use thread local storage to fix a theoretical race condition if two threads try to format an unknown error code at the same time in the com_err library.

E2fsprogs 1.40.5 (January 27, 2008)

Fix a potential overflow big in e2image if the device name is too long.

Mke2fs will now create new filesystems with 256 byte inodes and the ext_attr feature flag by default. This allows for much better future compatibility with ext4 and speeds up extended attributes even on ext3 filesystems.

Teach e2fsck to ignore certain "safe" filesystem features which are set automatically by the kernel. Having the kernel set features automagically behind the user's back is a bad idea, and we should try to break the kernel of this habit, especially for the newer ext4 feature flags. But for now, we will try to avoid needless full checks which can annoy users who are doing fresh installs.

Add support in tune2fs and mke2fs for making a filesystem as being "ok to be used with test kernel code". This will be needed for using test filesystems with the latest ext4 kernel code.

Change e2fsck -fD so that it sorts non-htree directories by inode numbers instead of by name, since that optimizes performances much more significantly. (Addresses-Sourceforge-Feature-Request: #532439)

If e2image fills the disk, fix it so it exits right away instead of spewing large numbers of error messages. (Addresses-Sourceforge-Feature-Request: #606508)

If ftruncate64() is not available for resize2fs, let it use ftrucate() instead, but have it check to see if the size would get truncated, and skip calling ftruncate in that case.

Add support for detecting HFS+ filesystems in the blkid library.

Add support in the blkid library for ext4/ext4dev filesystems.

Fix a bug in blkid where it could die on a floating point exception when presented with a corrupt reiserfs image.

Fix blkid's handling of ntfs UUID's so that leading zeros are printed such that UUID string is a fixed length.

Add sample python bindings for the uuid library to the contrib directory. (Addresses-Sourceforge-Patches: #778817)

Fix debugfs's 'lsdel' command so it uses ext2fs_block_iterate2 so it will work with large files. (Addresses Sourceforge Feature Request: #1257500 and Sourceforge Support Request: #1253511)

Allow the debugfs 'undel' command to undelete an inode without linking it to a specific destination directory, since this might require allocating blocks that could overwrite some yet-to-be-recovered deleted files. (Addresses-Sourceforge-Feature-Request: #967141)

Update Swedish translations from the Translation Project.

Programmer's Notes:

Fix configure handling of --sbindir (which should rarely be used, but someone did complain, so let's fix it). (Addresses Sourceforge Bug: #498381)

Updated e2fsprogs.spec file to include a new uuidd package

Use pkg-config to determine where to find the devmapper library so we can find out where it is located on different distributions.

Fix Makefile race so that "make -j3 distclean" works correctly

Fix portability problems on non-Linux/non-Hurd/non-Masix systems, especially on MacOS X systems. (Addresses Sourceforge Bugs: #1861633, #1819034, #1863819)

Fixed spelling mistakes, typos, and otherwise clarified man pages.

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bugs: #459403, #459475, #459614)

Remove the --enable-dynamic-static configure option, and build e2fsck dynamically by default. If the user wants e2fsck.static, he/she will need to build it via "make -C e2fsck e2fsck.static"

Fix various build warnings due to missing prototypes. (Addresses Sourceforge Patch: #1861663, #1861659)

E2fsprogs 1.40.4 (December 31, 2007)

Improve time-based UUID generation. A new daemon uuidd, is started automatically by libuuid if necessary. This daemon is setuid to allow updates to /var/lib/libuuid, so the clock sequence number can be stored and so if the clock is set backwards, it can be detected. (Addresses Sourceforge Bug: #1529672, Addresses Red Hat Bugzilla: #233471)

Filter out the NEEDS_RECOVERY feature flag when writing out the backup superblocks. This avoids e2fsck from concluding that a full filesystem check is required before backing up the superblock due to changes in the feature flags. (Addresses Debian Bug: #454926)

Fix fsck to only treat the '#' character as a comment at the beginning of the line in /etc/fstab. Otherwise fstabs for the fuse filesystem will cause fsck to issue an bogus warning message. (Addresses Gentoo bug: #195405, Addresses Sourceforge bug: #1826147)

Format control characters and characters with the high eighth bit set when printing the contents of the blkid cache, to prevent filesystems with garbage labels from sending escape sequences to the user's screen that might, for example place it in graphics mode. (Addresses Ubuntu Bug: #78087)

Fix sign-extension problem on 64-bit systems in in the com_err library. (Addresses Sourceforge Bug: #1809658)

Avoid division by zero error when probing an invalid FAT filesystem in the blkid library. (Addresses Sourceforge Bug: #1831627)

Update Dutch, Polish, and Vietnamese translations from the Translation Project. Remove the Rwandan translation upon advice of the Translation Project.

Programmer's Notes

Fix the libss "make check" regression test so that it works if the current directory is not in the user's path or if the libss shared library is not installed. (Addresses Sourceforge Bug: #1848974)

Fixed spelling mistakes, typos, and otherwise clarified man pages. (Addresses Debian Bugs: #444883, #441872)

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bugs: #437720, #451172, #458017)

Fix build failure on non-Linux/non-Hurd/non-Masix systems. (Addresses Sourceforge Bug: #1859778)

Fix Hurd portability issues. (Addresses Debian Bug: #437720)

E2fsprogs 1.40.3 (December 5, 2007)

Fix a potential security vulnerability where an untrusted filesystem can be corrupted in such a way that a program using libext2fs will allocate a buffer which is far too small. This can lead to either a crash or potentially a heap-based buffer overflow crash. No known exploits exist, but main concern is where an untrusted user who possesses privileged access in a guest Xen environment could corrupt a filesystem which is then accessed by the pygrub program, running as root in the dom0 host environment, thus allowing the untrusted user to gain privileged access in the host OS. Thanks to the McAfee AVERT Research group for reporting this issue. (Addresses CVE-2007-5497.)

Fix heuristics in blkid which could cause a disk without partitions to be incorrectly skipped when a loopback device is present. (Addresses Red Hat Bugzilla #400321.)

Fix e2image so that in raw mode it does not create an image file which is one byte too large.

Change mke2fs's usage message so it recommends the preferred -E option instead of the deprecated -R option.

Enhance the blkid library so it will recognize squashfs filesystems. (Addresses Red Hat Bugzilla #305151.)

Enhance e2fsck so it will force the backup superblocks to be backed up if the filesystem is consistent and key constants have been changed (i.e., by an on-line resize) or by e2fsck in the course of its operations.

Enhance blkid's detection of FAT filesystems; so that USB disks with only a single bootable partition will not get missed.

E2fsck will no longer mark a filesystem as invalid if it has time errors (i.e., if superblock mount time or last write time is in the future) and the user refuses to fix the problem.

The Ubuntu init scripts don't properly set the system time correctly from hardware clock if the hardware clock is configured to tick local time instead of GMT time. Work around this as best as we can by providing an option, buggy_init_scripts, in /etc/e2fsck.conf which can be set on Ubuntu systems. (Addresses Debian Bug #441093, and Ubuntu Bug #131201.)

Fix fsck to ignore /etc/fstab entries for bind mounts. (Addresses Red Hat Bugzilla #151533.)

Fix e2fsck so that if the superblock is corrupt, but still looks vaguely like an ext2/3/4 superblock, that it automatically tries to fall back to the backup superblock, instead of failing with a hard error.

Make the e2fsprogs program more robust so that they will not crash when opening a corrupt filesystem where s_inode_size is zero.

Change e2fsck so it uses sscanf() instead of atoi() so it non-numeric arguments are detected as such and the parse error is reported to the user. (Addresses Debian Bug #435381.)

Change e2fsck so it will not complain if a file has blocks reallocated up to the next multiple of a system's page size.

Fix bug in ext2fs_check_desc() which will cause e2fsck to complain about (valid) filesystems where the inode table extends to the last block of the block group. (Addresses Red Hat Bugzilla #214765.)

Fix a bug in ext2fs_initialize() which causes mke2fs to fail while allocating inode tables for some relatively rare odd disk sizes. (Addresses Red Hat Bugzilla #241767.)

Add Catalan translation and update Dutch and Swedish translations from the Translation Project.

Fix big-endian byte-swapping bug in ext2fs_swap_inode_full(). We still had an issue when trying to figure out whether we need to byte-swap fast symlinks that contained extended attributes.

Fixed spelling mistakes, typos, and otherwise clarified man pages. (Addresses SourceForge Bug #1821333.)

Programmer's Notes

Fix mke2fs tests to avoid needing any significant ^M (CR) characters

Add "make check" to the RPM spec file

Fix "make install" and "make uninstall" in misc/Makefile.in so that it works correctly when the prefix is not the root directory.

Fix the resize2fs tests, r_move_itable and r_resize_inode, so they clean up after themselves by deleting the test.img temporary file after completing the test.

Fixed a corner case bug ext2fs_unlink() when trying to delete the first directory entry in a directory block and the last directory entry in the previous directory block is not in use. Fortunately ext2fs_unlink() is only used by debugfs and e2fsck, and in e2fsck in places where it is extremely unlikely to run into this corner case.

Fix missing dependency which would cause parallel builds to fail. (Addresses Sourceforge Bug #1842331.)

Fix a build error on newer gcc caused by lib/ext2fs/ismounted.c calling open(O_CREATE) with a missing mode parameter.

Fix the test_ss.c in lib/ss so it can be used as an example application program for the library as well as a regression test suite.

Fix ext2fs_dblist_dir_iterate() so that error codes and abort codes are properly passed back up through the call stack.

E2fsprogs 1.40.2 (July 12, 2007)

A recent change to e2fsck_add_dir_info() to use tdb files to check filesystems with a very large number of filesystems had a typo which caused us to resize the wrong data structure. This would cause a array overrun leading to malloc pointer corruptions and segfaults. Since we normally can very accurately predict how big the the dirinfo array needs to be, this bug only got triggered on very badly corrupted filesystems.

Fix a bug in e2fsck which caused it to incorrectly salvage directories when the last entry's rec_len is bogusly too big. This resulted in a nonsense filesystem corruption to be reported, and required a second run of e2fsck to fully fix up the directory.

Update tune2fs man page to include more discussion of reserved blocks (Addresses Launchpad bug #47817)

Update Turkish, Polish, Dutch, and Vietnamese PO files from the Translation Project

E2fsprogs 1.40.1 (July 7, 2007)

Fix bug which could cause libblkid to loop forever. When revalidating a partition where there is obsolete information in /etc/blkid.tab, we end up freeing a the type tag without clearing dev->bid_type, causing blkid_verify() to loop forever. (Addresses Debian Bug: #432052)

The Turkish translation has a bug in it where it has the translation of "E@e '%Dn' in %p (%i)" to "E@E". This causes @E to be expanded at @E, recursively, forever, until the stack fills up and e2fsck core dumps. We fix this by making e2fsck stop @-expansions after a recursive depth of 10, which is far more than we need. (Addresses Sourceforge Bug: #1646081)

Compile the default mke2fs.conf into mke2fs program. People are getting surprised by mke2fs creating filesystems with different defaults than earlier versions of mke2fs if mke2fs.conf is not present. So we now create a built in version of mke2fs.conf file which is used by mke2fs if the /etc/mke2fs.conf is not present. (Addresses SourceforgeBug: #1745818)

Improve the config/parse_types.sh helper script. Fix a potential security problem if e2fsprogs is built as root (as Gentoo does!). In addition fix the script and how it is called from the configure script so that it does the right thing when cross-compiling. (Fixes Gentoo bug: #146903)

Update Vietnamese, French, and Dutch PO files from the Translation Project. Also created a new e2fsprogs.pot file for translator.

Fix bogus strip permission errors when building under Debian. When building the e2fsprogs dpkg's, the dh_strip command emits a large number of error messages caused by the permissions not being right. So run dh_fixperms before running dh_strip.

Programmer's Notes:

Add new function: profile_set_default(). This function sets the value of the pseudo file "". If the file "" had previously been passed to profile_init(), then def_string parameter will be parsed and used as the profile information for the "" file.

Fix mk_cmds's error reporting so that it is unambiguous that it is the mk_cmds script which is generating the error. (Obviates Gentoo patch: e2fsprogs-1.32-mk_cmds-cosmetic.patch)

Fix the test suite to use LC_ALL instead of LANG. LC_ALL is the "high priority" environment variable that overrides all others, where as LANG is the lowest priority environment variable. If LC_ALL is set, it doesn't matter whether LANG, LANGUAGE, LC_COLLATE, LC_MESSAGES, and the all the rest are set. This will assure that the locale when running the test suites is the "C" locale. (Obviates Gentoo patch: e2fsprogs-1.38-tests-locale.patch)

E2fsprogs 1.40 (June 29, 2007)

Fix divide by zero error in blkid's NTFS probing logic.

Add new blkid -g option which causes the blkid cache to be garbage collected.

Fix a bug in libblkid which could cause the internal field bid_type to become corrupted. Fortunately bid_type isn't used much, and bid_label and bid_uuid is only used by debugging code, so the impact of this bug was very minor.

Mke2fs will now store the RAID stride value when a filesystem is created with a requested RAID stride, and then use it automatically in resize2fs.

Mke2fs has a sanity check added to make sure (inode_size * num_inodes) isn't too big. In some cases Lustre users have tried specifying an inode size of 4096 bytes, while keeping an inode ratio of one inode per 4096 bytes.

Improve sanity check in e2fsck's algorithm for finding a backup superblock, so that it won't accidentally find a superblock that was located in the journal, and then later reject it as being not a valid backup superblock.

Fix e2fsck get_size logic so that it will work with the Linux floppy driver. The Linux floppy driver is a bit different from the other block device drivers, in that if the device has been opened with O_EXCL, it disallows another open(), even if the second open() does not have the O_EXCL flag. (Addresses Debian Bug: #410569)

Fix error checking of badblock's last-block and start-block arguments. (Addresses Debian Bug: #416477)

Fix e2fsck so that it doesn't overwrite the backup superblocks when recovering a journal until the master superblock has been confirmed as being sane.

Change the blkid library to be much more paranoid about concluding that a partition contains an NTFS filesystem, and fetch the UUID and LABEL information from NTFS filesystems. (Addresses Launchpad Bug: #110138)

Factor out the code which sets the default journal size and move it into libext2fs.

Enhance e2fsck so it will recreate the ext3 journal if the original journal inode was cleared to due it being corrupt after finishing the filesystem check.

Fix e2fsck so that it updates the journal inode if it is corrupted and the backup journal information from the superblock was successfully used to recover the filesystem.

Fix e2fsck so that it checks all of the blocks in the journal inode for validity. The original code only checked the direct blocks to make sure the journal inode was sane. Unfortunately, if some or all of the indirect or doubly indirect blocks were corrupted, this would not be caught.

Add support in blkid to detect LUKS encrypted partitions.

Add extra sanity checks for extended attributes in the case where the size is zero but the offset is very large.

Fix byte-swapping issues for large inodes in ext2fs_read_inode_full() and ext2fs_get_next_inode_full().

Clarify the copyright licenses used by the various libraries in the top-level COPYING file (Red Hat Bugzilla: #166058)

Make mke2fs's defaults when /etc/mke2fs.conf doesn't exist more sane.

Fix mke2fs and debugfs to support large (> 16 bit) uid's and gid's.

Remove check in e2fsck which requires EA's in inodes to be sorted; they don't need to be sorted, and e2fsck was previously wrongly clearing unsorted EA's stored in the inode structure.

Allow mke2fs or tune2fs to create a substantially larger journal (up to 10,240,000 blocks).

Fix MD superblock detection, and make sure the correct UUID is reported from the MD superblock.

Fix a signed vs. unsigned bug in debugfs.

Enhance debugfs's date parser so that it accepts integer values.

Fix e2fsck's pass1c accounting so it doesn't terminate too early if a file with multiply claimed blocks is hard linked. or not at all if the root directory contains shared blocks

Enhance debugfs so it can modify the block group descriptors using the command set_block_group_descriptor.

Improve e2fsck's reporting of I/O errors so it's clearer what it was trying to do when an error happens

Fix a bug in in how e2fsprogs byte swaps inodes containing fast symlinks that have extended attributes. (Addresses Red Hat Bugzilla: #232663 and LTC Bugzilla: #27634)

Fix potential file descriptor leak in ext2fs_get_device_size() in an error case.

Add libreadline.so.5 support to libss.

Improve badblocks -n/-w exclusive usage message.

Fix dump_unused segfault in debugfs when a filesystem is not open

Fix memory leak in blkid library. (Addresses Debian Bug: #413661)

Allow the debugfs lcd command to work w/o a filesystem being open. (Addresses LTC Bugzilla #27513)

Fix e2fsck to clear i_size for special devices with a bogus i_blocks field on the first pass.

Fix e2fsck to set the file type of the '..' entry when connecting a directory to lost+found. (Addresses Lustre Bug: #11645)

Enhance e2fsck to recover directories whose modes field were corrupted to look like special files. This is probably only useful in artificial test cases, but it will be useful if we ever do the "inodes in directory" idea for ext4.

Allow debugfs to dump (and rdump) > 2GB files. (Addresses Debian Bug: #412614)

Fix resize2fs parsing of size parameter (in sector units). This was actually a bug in libe2p's parse_num_blocks() function. When handling the 's' suffix, it was ignoring the blocksize information passed in from the caller and always interpreting the number in terms of a 1k blocksize. (Addresses Debian Bug: #408298)

There was a floating point precision error which could cause e2fsck to loop forever on really big filesystems with a large inode count. (Addresses Debian Bug: #411838)

Fix memory leak in ext2fs_write_new_inode()

Add support for using a scratch files directory to reduce e2fsck's emory utilization on really big filesystems. This uses the TDB library. See the [scratch_files] section of the e2fsck.conf man page for more details.

Fixed type-punning bug which caused dumpe2fs to crash on the Arm platform (Addresses Debian Bug: #397044)

Add explanatory message to badblocks that -n and -w are mutually exclusive (Addresses Debian Bug: #371869)

Allow debugfs and dumpe2fs to support fs features under development.

Add support for the new flag EXT2_FLAG_SOFTSUPP_FEATURES flag to ext2fs_open() , which allows application to open filesystems with features which are currently only partially supported by e2fsprogs.

Allow unix_io to support offsets greater than 2G (Addresses SourceForge Bug: #1547922)

Fixed overflow and signed/unsigned problems caused by the number of blocks or inodes exceeding 2**31 or being close to 2**32-1.

Add support for unsigned directory hash calculations with hints in the superblock to fix cross-architectural portability for htree directories with filenames where the high 8th bit is set. (Addresses Debian: #389772)

Fix resize2fs so that it gives user-intelligible error messages if the filesystem or the kernel does not support on-line resizing. (Addresses Debian Bug: #380548)

Require mke2fs -F -F for really dangerous operations, since -F is needed for less dangerous operations such as creating filesystems images in regular files, or creating filesystems on whole block devices. These relatively innocuous usages should NOT be confused with running mke2fs on an apparently-mounted or in-use filesystem.

Allow the default inode size to be specified into the mke2fs.conf file.

Make the smallest default journal size is big enough so that on-line resizing should always work.

Fix silly spelling error in e2fsck. (Addresses SourceForge bug: #1531372)

Fix debugfs coredump when lsdel is run without an open filesystem (Addresses Debian Bug: #378335)

Fix debugfs display bug us that bytes that have the high bit set are displayed as "ec" instead of "ffffffec".

Add support in lsattr so it will display the EXT4_EXTENTS_FL flag.

Device mapper scanning wasn't working in the blkid library because the pathnames had an extra "/dev" when they were being probed.

Add GFS/GFS2 support to the blkid library.

Fix blkid support of empty FAT filesystem labels.

Avoid recursing forever (or for a long time) when the blkid library searches for a device and there are symlinks to directories in /dev.

Avoid unaligned halfword access in blkid when accessing FAT superblocks, as this will cause Sparc/Solaris systems to throw a SIGBUS error.

The latest devmapper libraries requires pthreads, add -lpthreads to the static link libraries for e2fsck.static if devmapper is enabled. (Addresses Debian bug: #388718)

Improve the (non-installed, for experts only) findsuper program by printing the uuid and label from the superblocks, as well as the starting and ending offsets of the filesystem given the information in the superblock. Omit by default printing superblocks that are likely found in located in an ext3 journal unless an explicit -j option is given.

Updated French and Dutch translations and added Vietnamese translation.

Use FreeBSD's DIOCGMEDIASIZE and DIOCGDINFO ioctls if available when determining a partition's size, since binary searching to determine the device doesn't work on FreeBSD.

Documentation about UUID's is available in enough places, and it's awkward to deal with debian-legal's insanities. So I'm caving in the "more-lunatic-than-RMS" wing of Debian by removing RFC-4122 so we don't have do the dfsg tarball. Also remove the rule that only tried to install RFC-4122 on Ubuntu, since Ubuntu seems to want to fetch e2fsprogs exclusively from Debian. (Addresses Debian Bug: #407107)

Fix the info-dir line so that the menu name does not contain a .info prefix. First of all, it's ugly, secondly, it causes the install-info command to fail to remove the com_err info file from the /usr/share/info/dir file when the comerr-dev package is removed and purged. (Addresses Debian Bug: #401711)

Fixed spelling mistakes, typos, and otherwise clarified man pages. (Addresses Debian Bug: #369761, #373004, #379695)

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bugs #389554, #390664, #413208, #419605, #408352, #415560, #399155)

Programmer's notes:

E2fsck now supports the %It expansion when printing a problem report. It will print the type of the inode in the problem context.

Fix misc/Makefile.in so that it builds even if e2fsck hasn't been built yet (Addresses Sourceforge Bug: #1565561)

Remove unused variables and other lint/gcc -Wall cleanups

Add check to ext2fs_get_device_size() so it will return EFBIG for for filesystems contained in regular files where the filesystem image size is returned by stat64().

Set local environment variables to C so mk_cmds and compile_et always work. (Addresses SourceForge Bug: #1532177)

Added the 64-bit byte swapping function ext2fs_swab64().

Added two new helper functions to prevent 2**31/2**32-1 overflow problems: ext2fs_div_ceil() and e2p_percent().

Create new ext2fs library inline functions ext2fs_group_first_block() and ext2fs_group_last_block() in order to calculate the starting and ending blocks in a block group.

Create the generated files read-only to remind developers not to edit them.

Add support for autoconf 2.60 (with backwards compatibility for older versions of autoconf).

Added an "make rpm" target to top-level Makefile

Added various FreeBSD portability fixes.

Exclude mercurial files from the RPM build tree to speed up copy/build.

Use root_sysconfdir to define the locations of mke2fs.conf and e2fsck.conf instead of using a hard-coded /etc pathname.

Prevent e2fsck.h and ext2_ext_attr.h from getting included multiple times.

Fixed "make clean" in blkid's Makefile.in file from removing tst_*.c files.

If diff -u is supported, use it to report test failures.

Updates/improvements to RPM spec file


Add a new make target "checked-failed" in the tests directory which reruns any failed tests

Update draft-leach-uuids-guids-01.txt with rfc4122.txt

Fix miscellaneous bugs reported by Coverity: Dead code, potential nul pointer dereferences, memory leaks, etc. None were security-critical problems.

Fix up usage and decrement error messages in the test_icount program

Add debugging code to the com_err library; if the environment variable COMERR_DEBUG is set to 1, print out debugging messages as error tables are added and removed from the com_err library. If the COMERR_DEBUG_FILE environment variable is set (and the process is not setuid) the debugging messages may be redirected to a file.

Change all of the e2fsprogs programs to use the newer add_error_table() and remove_error_table() interfaces instead of the much older initialize_*_error_table() function.

Add TDB support into the ext2fs library. This allows us to have a guaranteed library we can count on always being present so we can store data in an on-disk database.

Add support for using TDB to store the icount data, so we don't run out of memory when checking really large filesystems.

Change the regression test suite so that it skips empty test directories.

Define the l_i_iversion field in ext2_inode. The l_i_version field is now defined from the old l_i_reserved1 field in the ext2 inode. This field will be used to store high 32 bits of the 64-bit inode version number.

Add Makefile production rule for e2fsprogs.spec in case it gets deleted.

Add new function profile_get_uint() to allow for a clean way to fetch unsigned integers from the context.

Add test to make sure the ext2 superblock structure is 1024 bytes.

Fix typo in name of f_dup4 regression test

Add new function blkid_gc_cache() which performs a garbage collection pass on the /etc/blkid.tab file.

The ext2fs_open() function now sets EXT2_FLAG_MASTER_SB_ONLY. In general, only e2fsck (after the filesystem is clean), tune2fs, and resize2fs should change the backup superblocks by default. Most callers of ext2fs_open() should not be touching any superblock fields which require the backups to be touched.

Add new function to libext2fs, ext2fs_default_journal_size(), which returns the default journal size.

E2fsprogs 1.39 (May 29, 2006)

Fix 32-bit cleanliness in e2fsprogs so that we can support filesystems between 2**31 and 2**32 blocks.

Change mke2fs to use /etc/mke2fs.conf as a configuration file to configure the filesystem features, blocksize, and inode_ratio for different filesystem types.

Mke2fs will now create filesystems hash trees and on-line resizing enabled by default, based on the new /etc/mke2fs.conf file.

The e2fsprogs tools (resize2fs, e2fsck, mke2fs) will open the filesystem device node in exclusive mode to prevent accidents by system administrators. In the case of resize2fs and mke2fs, it will only use exclusive mode if the filesystem is not mounted.

Fixed a bug in mke2fs which caused it to to fail when creating the resize inode for large filesystems. (Addresses Debian Bug #346580)

When allocating space for the RAID filesystems with the stride parameter, mke2fs will now place each portion of the group's inode table right up after the superblock (if present) in order to minimize fragmentation of the free space.

Speed up mke2fs and e2fsck by writing inode and block bitmaps more efficiently by writing the inode and block bitmaps in one pass, thus reducing the number of disk seeks required.

Add support for on-line resizing to resize2fs.

Fix blkid library so that logic to determine whether or not a device's cached information in /etc/blkid.tab needs to be verified or not doesn't get confused by a system clock which is insane (for example, if the battery is dead on a Macintosh running PPC Linux. (Addresses Red Hat Bug: #182188)

The blkid library will now store the UUID of the external journal used by ext3 filesystems, so that in the future, the userspace mount binary can use this to find the location of the external journal and pass this information to the kernel.

E2fsck will now consult a configuration file, /etc/e2fsck.conf to control how various options should be handled. See the e2fsck.conf man page for more details. (Addresses Debian Bug: #150295)

E2fsck now prints an explanatory message when delaying a filesystem check when the system is running on battery. (Addresses Debian Bug: #350306)

E2fsck will detect if the superblock's last mount field or last write field is in the future, and offer to fix if so. (Addresses Debian Bug #327580) These problems will be fixed automatically in preen mode since Debian's boot sequence bogusly doesn't set the time correctly until potentially very late in the bootup process, and this can cause false positives which will cause users' systems to fail to boot. (Addresses Debian Bugs #343662 and #343645)

E2fsck now checks to see if the superblock hint for the location of the external journal is incorrect, and if so, offer to update it. (Addresses Debian Bug: #355644)

Fix e2fsck from segfaulting on disconnected inodes that contain one or more extended attributes. (Addresses Debian Bug: #316736, #318463)

E2fsck will stop and print a warning if the user tries running a read/write badblocks test on a read-only mounted root filesystem.

Fix a memory leak in e2fsck's error paths. (Thanks to Michael C. Thompson for pointing these out; they were originally found using Coverity.)

When resizing a file containing a filesystem, resize2fs will expand or truncate a file as necessary. (Addresses Debian Bug: #271607)

Resize2fs will now automatically determine the RAID stride parameter that had been used to create the filesystem, and use that for newly created block groups. The RAID stride parameter may also be manually specified on the command line using the new -S option to resize2fs.

Fix mke2fs so that it correctly creates external journals on big-endian machines (such as a S/390).

Fix a bug in the e2p library which could cause dumpe2fs to (rarely) fail to print out the journal or hash seed UUID. (Thanks to Guillaume Chambraud for pointing this out.)

Dumpe2fs will now print the size of the journal (if present).

Fix debugfs's set_inode_field command so it can properly set the frag, fsize, uid_high, gid_high, and author fields in the inode instead of silently failing, and so that setting the i_size actually sets i_size correctly.

Add a new debugfs command, set_current_time, which sets fs->now so that regression test suites can repeatedly modify the filesystem's last_write fields.

Fix a bug in debugfs's icheck which would incorrectly report the owner of an extended attribute block.

Fix the debugfs commands htree_dump, dx_hash, and list_dir so they print a print a usage message when an illegal option character is given.

Fix debugfs's dump_unsued command on filesystems with a 64k blocksize so it won't core dump. (Addresses SourceForge bug #1424311)

Fix mklost+found so that it creates a full-sized directory on filesystems with larger block sizes.

Fix a file descriptor leak in blkid library.

Fix a display bug in "badblocks -sv" so that the done message properly clears the block number at the end of the test. (Addresses Debian Bug #322231)

Allow fractional percentages to the -m option in mke2fs and tune2fs (Addresses Debian Bug: #80205)

Use fstat/fstat64 in getsize.c if the the target is a regular file, instead of attempting to do a binary search. Fix some fd leaks in error cases.

Add support for device mapper library to the blkid library to ensure that the "best" (i.e., leaf) device is probed by the blkid library.

Fix the blkid library so that it notices when an ext2 filesystem is upgraded to ext3.

Improve the blkid's library VFAT/FAT detection; it now understands labels stored in the root directory, and is more paranoid about checking the FAT superblock values.

Fixed a fd leak in the uuid library which was causing problems for the LVM tools. (Addresses Debian Bug: #345832)

Add support for the reiser4 and software suspend partitions to the blkid library. Also add support for extract the label from iso9660 filesystems.

Fix a compile_et bug which miscount the number of error messages if continuations are used in the .et file.

Add extra sanity checks to protect users from unusual circumstances where /etc/mtab may not be sane, by checking to see if the device is reported busy (works on Linux 2.6) kernels. (Addresses Debian Bug #319002)

Updated French, Dutch, Polish, and Swedish translations. (Addresses Debian Bug: #343149w, #341911, #300871, #316604, #316782, #330789)

Fix use-after-free bug in e2fsck when finishing up the use of the e2fsck context structure.

Fixed spelling mistakes, typos, and otherwise clarified man pages and documentation. (Addresses Debian Bugs: #329859, #322188, #316811, #312515, #351268, #357951, #347295, #316040, #368392, #368393, #368394, #368179)

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bugs #317862, #320389, #290429, #310950, #310428, #330737, #330736, #329074, #356293, #360046, #366017, #364516, #362544, #362970)

Programmer's notes:

Update config.guess and config.sub to latest version (2006-02-23) from FSF.

Fix asm_types.h type conflicts on AMD 64 platforms. (Addresses Debian Bugs: #360661, #360317)

Fixed the Makefile so that they work correctly on newer versions of GNU make (i.e., 3.81).

Add valgrind support to the regression test suites, and eliminate false positives from valgrind.

Add a regression test suite for the blkid library.

Fix a fencepost error in resize2fs caught by valgrind.

Fix compiler warnings about missing memcpy prototypes.

We no longer have the sparc assembly code in the header file any more, so we shouldn't set _EXT2_HAVE_HAS_BITOPS_ for the sparc. This would break compiles on the sparc architectures when using gcc.

In the libext2fs library, add the new field fs->now which if non-zero is used instead of the system time when setting various filesystem fields (last modified time, last write time, etc.)

Fix gcc 4.01 complaints by adding a missing #include to ext2fs.h which is needed since the inline functions use memcpy(). (Addresses Sourceforge Bug #1251062)

Use BUILD_CFLAGS and BUILD_LDFLAGS instead of CFLAGS and LDFLAGS in the build system when building files in the util directory which are needed during the build process. This avoids potential problems when cross-compiling and some of the options specified in CFLAGS or LDFLAGS are not recognized as valid by the host compiler. (Addresses Sourceforge Bug #1261547)

Clean up the blkid library by making the superblock and generic i/o functions to be more generic. Clean up interface to the probe function, and fix memory leak. Finally, remove an unneeded reference to probe.h in the lib/blkid/resolve.c

Add an ext2fs_read_bb_FILE regression test to confirm proper detection of invalid block #'s.

The x86 asm constraints for ext2fs_{set/clear}_bit have been fixed to indicate that the the function read/writes the memory location.

Fix various gcc -Wall complaints.

Add a dependency to make sure that the subdirectories are created before creating all of the object files, in order to address parallel build problem in the library Makefiles. (Addresses Sourceforge Bug: #1261553)

Add $(LDFLAGS) to the command line argument when generating an ELF or Solaris shared library, to allow cross-compile and other builds that might need to specify -L paths to needed libraries. (Addresses Sourceforge Bug #1261549)

Add a new feature, EXT2_FEATURE_COMPAT_LAZY_BG, which is initially intended for testing purposes. It allows an ext2/ext3 developer to create very large filesystems using sparse files where most of the block groups are not initialized and so do not require much disk space. Eventually it could be used as a way of speeding up mke2fs and e2fsck for large filesystem, but that would be best done by adding an RO_COMPAT extension to the filesystem to allow the inode table to be lazily initialized on a per-block basis, instead of being entirely initialized or entirely unused on a per-blockgroup basis.

Fix backwards compatibility so e2fsprogs will better compile on Linux 2.0.35 systems.

Make test scripts more robust against locale-related environment variables

Fix type warning problem with sizeof() in ext2fs_open2().

Fix type warning problem with time_t in debugfs.

E2fsprogs 1.38 (June 30, 2005)

Fix blkid's test programs (built with "make check") compile correctly even without "configure --enable-blkid-debug".

Fix ia64 core dump bug caused by e2fsprogs running afoul of C99 strict type aliasing rules on newer gcc compilers. (Addresses Red Hat Bugzilla #161183.)

Fix com_err library to make it more compatible with recent changes made to the com_err library in MIT Kerberos V5 version 1.4. (Addresses Sourceforge Bug #1150146)

General cleanup of messages printed by e2fsprogs programs for grammar, consistency, and to make life easier for translators. Fixed a few strings containing English that had not been marked as needing translations. Removed strings that do not need to be translated, to make life easier for translators.

Mke2fs and badblocks will take advantage of a feature in Linux 2.6 to test to see if a device appears to be in use instead of just relying on /proc/mounts and /etc/mtab. (Addresses Debian Bug #308594).

Fix portability problem in the filefrag program affecting platforms where the size of an integer is smaller than the size of a long. (Addresses Debian Bug #309655)

Mke2fs will now use a larger journal by default for filesystems greater than 4GB. (128 MB instead of 32MB).

Mke2fs will refuse to create filesystems greater than 2**31-1 blocks, unless forced. This is to avoid signed vs. unsigned kernel bugs in block numbers that still need to be fixed.

The blkid program has a new option which will more efficiently search for device when it is known (or expected) that only one matching device will be found in the system, such as when doing a lookup by UUID.

Debian's e2fsprogs-specific initrd fragment will avoid including unnecessary libraries into the initrd ramdisk by unsetting LD_PRELOAD and LD_LIBRARY_PATH, and filtering out libraries found in /etc/ld.so.preload. (Addresses Debian Bug: #304003)

Fixed a potential portability issue in the blkid programs for architectures where the char type is unsigned. (Addresses Sourceforge Bug: #1180585)

Fix a bug in filefrag so that it doesn't falsely count an extra discontinuity when the first block found is an indirect block. (Addresses Debian Bug #307607).

Fix blkid's recognition of cramfs filesystems, and enhance it to be able to handle cramfs labels.

Fix debugfs's stat command to not core dump when a filesystem is not open.

Fix e2fsck's handling of error conditions caused by the resize inode claiming blocks that are also used by other inodes, a filesystem corruption which was commonly caused by a bug in Fedora Core 3's resize2fs program.

Fixed bug in filefrag which caused it to fail on non-ext2/3 filesystems. (Addresses Debian Bug: #303509)

If the superblock last mount time indicates that the system clock may not be accurate, then e2fsck will omit checking inodes' deletion time field for indications of a potential corrupted orphaned inode list. (Previously e2fsck only omitted these LOW_DTIME checks when the superblock's last write time looked insane.)

Fixed a IA64 core dump bug in the e2p library which affected dumpe2fs. (Addresses Debian bug #302200)

Make the blkid library more paranoid about being run from setgid programs, and to use __secure_getenv() from libc if it is available.

Fixed spelling mistakes, typos, and otherwise clarified man pages. (Addresses Debian Bugs: #304591, #304592, #304594, #304597, #304593 and Sourceforge Bug: #1189803)

Updated and fixed translations.

Fixed various Debian packaging issues --- see debian/changelog for details.

Programmer's notes:

Ext2fs_set_bit(), ext2fs_clear_bit(), and ext2fs_test_bit( have been changed to take an unsigned int for the bit number. Negative bit numbers were never allowed (and didn't make any sense), so this should be a safe change. This is needed to allow safe use of block numbers greater than or equal to 2**31.

The compile_et program will avoid recreating generated foo_err.c and foo_err.h files if no changes are necessary. The compile_et program will also atomically replace these files to avoid a potential parallel build race problem on SMP systems. (Addresses Sourceforge Bug: #1157933)

Added a new function to the blkid library, blkid_probe_all_new(), which only probes newly added disk devices, and change blkid_find_dev_with_tag() to use this function so that when a requested tag is not found, devices that were previously not checked are searched before searching all devices in the system.

Added new functions to the blkid library, blkid_dev_set_search() and blkid_dev_has_tag().

E2fsck's problem strings can now use @m and @n as abbreviations for "multiply-claimed" and "invalid", respectively.

The e2fsprog.pot file now has an explanation of how the @-expansion and %-expansion works, and strings in e2fsck/problem.c which contain @ characters now have comments in e2fsprogs.pot with the @-expansion to make life easier for translators.

Fixed missing return values in the ext2fs library which could cause it to return random garbage in certain error conditions.

Allow the current time to be overridden via the E2FSCK_TIME environment variable for use in regression tests.

The test script driver program now exits with a non-zero status if there any of its test that it ran failed.

Fixed problems with parabuilds on SMP systems. (Addresses Sourceforge Bug: #1157933)

Fixed "make check" so that it compiles correctly even when e2fsprogs' header files have not be installed in the system include directories. (Addresses Sourceforge Bug: #1180572)

Fixed gcc -Wall nits.

E2fsprogs 1.37 (March 21, 2005)

Add support for checking the validity of Extended Attributes stored in inodes to e2fsck.

Add support for dumping the contents of large inodes to debugfs, including the extended attributes stored in inodes.

Fix mke2fs, e2fsck, debugfs, and the ext2fs_mkdir function so that when we create a new inode we make sure that the extra information in the inode (any extra fields in a large inode and any ea-in-inode information) is initialized correctly. This can take place when mke2fs creates the root and lost+found directory, when e2fsck creates a new root inode or a new lost+found directory, and when the user uses the debugfs write, mknod, or mkdir commands. Otherwise, the newly create inode could inherit garbage (or old EA information) from a previously deleted inode.

Fixed a bug in e2fsck so it would notice if a file with an extended attribute block was exactly 2**32 blocks, such that i_blocks wrapped to zero.

Added support to filefrag to detect files which are using the new experimental file extents format, and use the non-ext2 algorithm in that case. Fixed a bug to avoid reporting a false discontinuity if there is one or more unallocated blocks at the beginning of a file.

Duplicated a check for noticing whether or not the number of blocks (given a certain blocksize) is greater than 2**32 when the BLKGETSIZE64 ioctl is not available to ext2fs_get_device_size(). This allows mke2fs to automatically use a larger blocksize when creating a filesystem on a very large device when run on systems that do not support BLKGETSIZE64.

Fix the I18N build which was broken in e2fsprogs 1.36 because the build system had been switched to treat the .gmo files as shipped files (for backwards compatibility with systems that have older GNU I18N tools installed), but the gen_tarball.in script was still removing the .gmo files from the official source distribution.

Fixed various Debian packaging issues --- see debian/changelog for details. (Addresses Debian Bugs #296769, #299341)

Programmer's notes:

Added new functions to the e2p library which convert between a string and os_type: e2p_os2string() and e2p_string2os(), and used them to make the generated binaries more compact.

Fixed a compile-time error on Darwin systems.

Cleaned up the lib/ext2fs Makefile slightly.

E2fsprogs 1.36 (February 5, 2005)

All of the patches that were applied to Fedora Core 3's e2fsprogs-1.35-11.2 have been integrated, although sometimes with a lot of bug fixes first. Users of Fedora Core 3 are strongly encouraged to upgrade to e2fsprogs 1.36 as soon as possible.

Add support for filesystem with the online resizing via resize inode feature. Fixed numerous bugs from the Fedora patches. The Fedora patches also didn't bother to do any consistency checking on the resize inode, or add any tests to the regression test suite. The "-R resize=4g" option to mke2fs was a no-op in the Fedora patches, despite being listed in mke2fs's usage message. All of these shortcomings have been corrected.

E2fsck can also also fix filesystems trashed by Fedora's resize2fs program. In order to do this, the user must run the commands:

debugfs -w /dev/hdXXX -R "features ^resize_inode"
e2fsck -f /dev/hdXXX
Optionally, the ext2prepare command can be used to re-enable online resizing after the filesystem has been fixed.

The fsck program will now accept an optional filedescriptor argument to the -C option. (The Fedora version of this patch would sometimes cause fsck to ignore a parameter on fsck's command line in some rare cases, sigh.)

Make sure e2fsprogs doesn't write garbage into the reserved portion of large inodes.

Make sure resize2fs releases the blocks belonging to the old inode table blocks when moving the inode table. (Addresses Debian Bug: #290894)

Skip the r_resize_inode test if resize2fs is not compiled (due to configure --disable-resizer)

E2fsck now checks the summary filesystem accounting information, and if any of the information is obviously wrong, it will force a full filesystem check. (Addresses Debian Bug #291571)

Fix e2fsck to not complain when the resize_inode feature is enabled, s_reserved_gdt_blocks is zero, and there is no DIND block allocated in the resize inode.

Fix e2fsck to note delete symlinks that contain an extended attribute after the ext_attr feature flag has been cleared. (Addresses Red Hat Bugzilla #146284).

Add new utility program, copy_sparse.c, which is very useful for dealing with large sparse files (such as e2image files).

Add support for jnl_blocks[] for debugfs's set_super_value.

Fix filefrag so that it works correctly with sparse files.

Filefrag -v will print first and last blocks.

Add interpretation of OS Creator values for FreeBSD and Lites in mke2fs and dumpe2fs.

Add mke2fs support so that it can support filesystems larger than 4TB automatically, by retrying with a 4k blocksize if the device size is too big to be expressed using a 1k blocksize. (Addresses Sourceforge bug #1106631)

Change blkid to test for NTFS first because Windows sometimes doesn't clear enough of the partition to confuse the probing routines into thinking the old filesystem type is still valid. (Addresses Debian Bug #291990)

Add support for swap partition label and uuid's in the blkid library.

Add support to the blkid library to recognize Oracle ASM volumes.

Make blkid -t display all devices that match the specified criteria, not just the first one, and work more consistently when the blkid cache file is not available or set to /dev/null. (Addresses Debian Bug #290530 and #292425)

Badblocks will now correctly display block numbers greater than 999,999,999 in its progress display.

The tune2fs program will not allow the user from setting a ridiculous number of reserved blocks which would cause e2fsck to assume the superblock was corrupt. E2fsck's standards for what is a ridiculous number of reserved block has also been relaxed to 50% of the blocks in the filesystem.

The blkid library will return vfat in preference to msdos, and ext3 in preference to ext2 (if the journalling flag is set) so that mount will do the right thing. (Addresses Debian bug #287455)

Mke2fs will now use the -E option for extended options; the old -R (raid options) option is still accepted for backwards compatibility. Fix a double-free problem in resize2fs. (Red Hat Bugzilla #132707)

Mke2fs will now accept a size in megabytes, gigabytes, and other units (via "32m" or "4g" on the command line) if the user finds this more convenient than specifying a block count.

Fix an obscure, hard-to find bug in "e2fsck -S" caused by an inode cache coherency problem.

Debugfs now supports a new command, set_inode_field, which allows a user to manually set a specific inode field more conveniently, as well as set entries in the indirect block map.

Debugfs's set_super_value command has been enhanced so that the user can set most superblock fields, including the date/time fields and some of the more newly added superblock fields.

E2fsprogs programs now accept an offset to be passed to the file specifiers, via the syntax: "/tmp/test.img?offset=1024".

E2fsprogs programs will now accept blocksizes up to 65536; kernel support on the x86 doesn't exist for now, but it can be useful on other architectures with page sizes greater than 4k. There are 2.6 kernel patches out there which enable this, but they are of this writing still experimental.

The e2image command now takes the -s option which will scramble directory entries for raw image files.

Fix a file descriptor leak in the filefrag program.

Make sure e2fsck doesn't crash when /proc/acpi/ac_adapter is not present.

Fix bug in debugfs where kill_file would lead to errors when deleting devices and symlinks. (Sourceforge Bugs #954741 and #957244)

Fix bug in the blkid library when detecting the ocfs1 filesystem

Remove obsolete EVMS 1.x and a.out DLL support.

E2fsck will attempt to recover from a journal containing illegal blocks.

Fixed two potential ordering constraint problems in e2fsck which might cause the filesystem to be corrupted if e2fsck is interrupted during a (extremely narrow) race window. Thanks to Junfeng Yang from the Stanford Metacompilation group for pointing this out.

Fixed bug in e2fsck where it would not accurately detect whether or not the system is running on adaptor if the ACPI device representing the AC adapter didn't correspond to the what was used on IBM Thinkpads.

Change e2fsck to accept directories greater than 32MB.

Fix e2fsck so that a checkinterval of zero disables a time-based check of the filesystem.

Debugfs will check the DEBUGFS_PAGER environment variable in preference to the PAGER environment variable. (Addresses Debian Bug #239547)

Tune2fs will not mark rewrite the superblock if the feature bitmasks are not modified.

The debugfs program will set the filetype information when creating a link.

Add debugfs -d option to use a separate source of data blocks when reading from an e2image file.

Add e2image -I option which allows the e2image metadata to be installed into a filesystem.

Fixed bug in the badblocks program which caused "done" to always appear in English even when a translation was available. (Addresses Debian Bug #252836)

The blkid program has a new option -o which controls the output format of the blkid program; this is makes blkid more convenient to use in shell scripts.

Fix a minor bug in uuid library, which was not using the full 14 bits of clock sequence when generating UUID's.

Fix a Y8.8888K problem in the uuid library.

Logsave now creates a new session id for itself to avoid getting killed by init when transitioning between init levels.

Change the licensing of the UUID library to be the 3-clause BSD-style license; this allows Apple to use the uuid library in Darwin.

Add ocfs and ocfs2 probe support into the blkid library.

Fix a memory and file descriptor leak in the blkid library.

The blkid library will revalidate the device if the system time is earlier than last verification time of the device, since that indicates that the system time is probably not trustworthy.

The blkid library will override the default location of the blkid.tab file by the BLKID_FILE environment variable, if it is available.

Change the getsize functions to use the BLKGETSIZE64 ioctl on Linux 2.6.

Add various portability fixes for lame new versions of glibc, Darwin and GNU/KFreeBSD, as well as removing XSI:ism's. (Addresses Debian Bugs #239934, #264630, #269044, #255589, #289133)

Add support for Windows 9x/NT under Cygwin.

Updated and clarified various man pages. (Addresses Debian Bugs #236383, #241940, #238741, #242995, #256669, #268148, #256760, #273679)

Updated and fixed translations. (Addresses Debian bugs #244105, #262836)

Update the rpm spec files so that it works better with Fedora core 2 and RH9.

Fixed various Debian packaging issues (see debian/changelog). In particular, fixed the Debian initrd scripts. (Addresses Debian bugs #241183, #248050, #253595, #247775)

Programmer's notes:

Fixed various gcc -Wall warnings.

The uuid library now has new functions uuid_unparse_upper() and uuid_unparse_lower() which forces the case of the hex digits to be upper case, or lower case.

The build process has been sped up by enhancing the subst program to update the modtime on the generated files even when the generated file hasn't changed.

The uuid library now uses C99 stdint.h types instead of custom types.

Updated config.guess and config.sub with newer versions from the FSF.

Removed out of date .cvsignore files from the source distribution.

The ext2fs_unlink() function will return an error if both the name and inode number are unspecified, to avoid doing something surprising (such as unconditionally deleting the first directory entry). Directory entries are now deleted by coalescing them with the previous directory entry if possible, to avoid directory fragmentation. This is not an issue with the e2fsprogs suite, but may be a problem for some of the users of libext2fs, such as e2tools.

Add support for version numbers of the form "1.36-rc1".

Fix build of mke2fs.static.

Add basic ext2fs library support for large (EA in inode) inodes.

The test_io mechanism can now abort after n reads or writes to a particular block. The block is specified by TEST_IO_BLOCK environment variable, and the read/write count by the TEST_IO_READ_ABORT and TEST_IO_WRITE_ABORT environment variables. The block data is now only dumped if the 0x10 bit is set in TEST_IO_FLAGS.

UUID_DEFINE() in the uuid library now creates a static variable, with __attribute__ ((unused)) if we are using GCC, so that UUID_DEFINE can be used in header files.

Add support for the install-strip and install-shlibs-strip targets, as suggested by the GNU coding guidelines. "make install" no longer strips the binaries which are installed.

Remove support for the --enable-old-bitops configure option which was only for very old sparc systems.

Remove support for --enable-clear-htree; this was only needed during the early development of the htree patch.

Use Linux-kernel-style makefile output so it is easier to see compiler warnings.

Update gettext files to version 0.14.1.

Update to use autoconf 2.5x.

Improved support for compiling e2fsprogs under dietlibc.

Make e2fsprogs portable to Solaris and FreeBSD systems.

Add blkid_verify(), blkid_get_library_version(), and blkid_parse_version_string() functions to the blkid library.

Add pkg-config files for e2fsprogs's libraries.

Fix "make uninstall" to so that it removes everything that is installed.

Add a configure --enable-maintainer-mode option which enables the makefile rules to rebuild the configure script from configure.in, and to rebuild the .gmo files in po directory.

Drop the sparc assembly bitwise operations; it's less efficient than the GCC 3.4 compile code and triggers compiler warnings on sparc64. Thanks to Matthias Andree for his analysis and suggestions. (Addresses Debian Bug #232326)

E2fsprogs 1.35 (February 28, 2004)

E2fsck has a new -k option, which in conjunction with the -c options, preserves the existing badblocks list.

Cleaned up e2fsck's preen-mode messages during the passes 1b, 1c, and 1d.

E2fsprogs will now deal correctly with symlinks that contain extended attribute information, which can be created using SE Linux. (Addresses Debian Bug #232328)

Remove a double longjmp into an invalid stack frame bug in e2fsck. (This was during an abort sequence, which normally worked on Linux and caused a core dump on other operating systems.)

Fix NLS bug in e2fsck, by avoiding trying to expand an empty string (the NLS library will replace "" with the .po header information).

Fix a bug in mke2fs which caused -T largefile or -T largefile4 to core dump due to a division by zero error. (Addresses Debian bug #207082)

Fixed a bug in e2fsck which caused it to incorrectly fix a filesystem when reconnecting a directory requires creating a lost+found directory. (Addresses Debian bug #219640).

Fixed a bug where e2fsck would bomb out if a journal needed to be replayed when using an alternate superblock.

E2fsck will give an extra grace period before actually forcing a check if the laptop is running on battery. The next time fsck runs while the system is on the AC mains, or after the grace period is exceeded, the filesystem will be checked. (Addresses Debian bug #205177)

E2fsck will inform the user when there are 5 or fewer mounts before a filesystem check will be forced. (Addresses Debian bug #157194)

Fix e2fsck's handling of corrupted indirect blocks in the bad block. We now correctly handle the case where there is an overlap between a block group descriptor or a superblock and a bad block indirect block. In the case where the indirect block is corrupted, we now suggest "e2fsck -c".

Fix byte swap bugs in e2fsck that caused the journal backup location in the superblock and symlinks created by SE Linux to be cleared by e2fsck on big-endian machines. (Addresses Debian bug #228723)

E2fsck -c now replaces the current list of bad blocks with the ones found by badblocks.

Fix bugs in e2fsck and tune2fs which could cause a core dump if a non-existent LABEL or UUID specifier is to e2fsck or tune2fs.

Fix a potential bug in e2fsck which could cause it to core dump when trying to print the location of the backup superblock.

Protect against a potential core dump in e2fsck when printing a message about backup superblocks.

Add support for backing up the journal inode location in the superblock. E2fsck will automatically save the journal information in the superblock if it is not there already, and will use it if the journal inode appears to be corrupted. ext2fs_add_journal_inode() will also save the backup information, so that new filesystems created by mke2fs and filesystems that have journals added via tune2fs will also have journal location written to the superblock as well. Debugfs's logdump command has been enhanced so that it can use the journal information in the superblock.

E2fsck will now update all superblocks when moving the journal inode.

Shrink the size of the e2fsck executable by moving some initialized variables to the BSS segment.

E2fsck will avoid printing the ^A and ^B characters which bracket the progress bar when stdout and stdin are a tty device instead of a pipe to another program. (Addresses Debian bug #204137)

Debugfs's mkdir command will automatically expand the directory if necessary. (Addresses Debian Bug: #217892)

Fixed a bug in debugfs so that copying a file from /dev/null uses the correct mode bits. (Addresses Debian Bug: #217456)

If the environment variables DEBUFS_PAGER and PAGER are not set, debugfs now searches for the appropriate pager to use, beginning with /usr/bin/pager, and then falling back to 'more' and 'less'. (Addresses Debian bug #221977)

Debugfs will now support 2.6 device numbers where the major or minor number may be larger than 255. (Addresses Sourceforge bug #865289)

Chattr now stops processing options when it sees '--'. (Addresses Debian bug #225188)

Fix regression tests so they work correctly when e2fsprogs is compiled with configure --disable-htree.

Fix bug in uuid library when there is no network card and the library is generating a time-based uuid. The random MAC address was not correctly generated to be a multicast address.

Add compile_et extensions from Heimdall that were missed the first time around.

Fix bug in badblocks when using O_DIRECT; we need to make sure that we're reading from an offset which is page aligned. For read-only and read-write tests, we try to recover after an error so that we can continue reading on page-aligned boundaries. (Addresses Debian Bug #203713)

Badblocks now checks 64 blocks at a time instead of 16. (Addresses Debian bug #232240)

Updated and clarified various man pages. (Addresses Debian Bug #206845, #222606, #214920, #232406)

Updated and fixed translations. (Addresses Debian bugs #200086, #214633)

Fixed various Debian packaging issues (see debian/changelog).

Programmer's notes:

Fixed a build problem so that e2fsprogs would compile with the --enable-profile option to configure selected. (Addresses Sourceforge bug #811408)

Fixed C++ problems with the ext2fs.h header. (Addresses Red Hat Bugzilla Bug #112448)

Centralize code which calculates the location of the superblock and block group descriptors so that it is in a single library routine.

Added two new functions, ext2fs_file_open2() and ext2fs_inode_io_intern2() which take a pointer to an inode structure.

Fix compile_et to output the correct prototype for initialize_xxx_err_table_r() in the header file. (Addresses Debian bug #204332)

In the lib/et makefile, make sure com_err.info is deleted on "make clean".

Fix 64-bit warnings in e2fsprogs pass1b by using inttypes.h if present. This is for when we try stuffing an int into void * pointer.

Fix type-punning which can cause gcc 3.x to miscompile code by getting confused about pointer aliasing. ext2fs_getmem(), ext2fs_free_mem(), and ext2fs_resize_mem() all now take a 'void *' instead of a 'void **'. The EVMS code uses an ugly union approach since we don't want to modify the EVMS interfaces.

Make sure all Makefiles use $(MAKE) rather than hardcoded "make", to aid build process on systems can use invoke GNU make as "gmake".

Added regression testing for mke2fs.

Fixed gcc -Wall nitpicks.

Fixed various compiler warnings.

Add portability fixes for FreeBSD and for using fsctl under Darwin to support ext2 ioctl's.

E2fsprogs 1.34 (July 25, 2003)

Fixed a bug introduced in E2fsprogs 1.30 which caused fsck to spin in a tight loop while waiting for a child fsck to exit in some cases. This burns CPU times which slows down the low-level filesystem check.

Added code to mke2fs to assure that the default block size for a filesystem is at least as big as the sector size of the device, if it can be determined.

Changed mke2fs and resize2fs to round the default size of a filesystem to be an even multiple of the VM pagesize in order to avoid a Linux kernel bug introduced when the storage of the buffer cache was moved into the page cache.

Mke2fs will warn the user when creating a filesystem with journalling and a blocksize greater than 4096. (Addresses Debian bug #193773)

Fixed a bug in resize2fs which caused it to fail on filesystems with a non-empty bad block list. Resize2fs now discards any blocks on the badblock list which are no longer part of the filesystem as the result of a filesystem shrink. (Note: this means that shrinking and then enlarging a filesystem is no longer a reversible operation; information about bad blocks in the part of the filesystem which is to be chopped off will be lost.)

Changed resize2fs so the user can use prefixes to specify the units of the new filesystem size (sectors, kilobytes, megabytes, or gigabytes), and to make the error and informational messages explicitly display the blocksize used by the filesystem, in order to avoid confusion. (Addresses Debian bug: #189814)

Added a new debugfs command, dump_unused, which dumps the contents of all unused blocks to stdout. (Useful as an emergency try-to-find deleted data command.)

Added a new debugfs command, imap, which prints the location of a specified inode in the inode table.

Fixed a bug in the badblocks program which caused it to use one bit of randomness in its non-destructive read/write test, instead of using a full 8 bits of randomness.

Added a new option (-t) to badblocks, which allows the user to control the test pattern(s) used when checking a disk.

The blkid probe function now more correctly detects UDF filesystems.

Fixed a bug in the blkid library which caused it to not update its cache if a filesystem changes from having a label to not having a label.

Fixed a bug in the blkid library which could avoid an infinite loop in blkid_find_dev_with_tag() if /proc is not mounted and there the /etc/blkid.tab file has not yet been created.

Fixed the badblocks program so that the destructive read/write test honors the -c option, and to use O_DIRECT when possible to avoid thrashing the system block buffer cache.

Fixed various NLS issues.

  • Added Czech and Sweedish translations
  • Removed testing NYC translation
  • Fixed NLS support for message abbreviations in e2fsck
  • Remove de-utf.po, since we shouldn't have two versions using different charset encodings.
  • Used ngettext() (abbreviated with the macro P_(str1, str2, n)) to simplify the statistics reporting in e2fsck.

Changed configure.in so that its defaults for *BSD systems no longer build an fsck wrapper, and not to install in /usr/local by default.

Fixed some minor spelling errors/typo's in e2fsck and the configure script.

Fixed various Debian packaging issues (see debian/changelog).

Updated and clarified man pages. (Addresses Debian Bug #195616)

Programmer's notes:

Fix gcc -Wall nitpicks.

Updated gettext implementation used by e2fsprogs to 0.11.5, and enable NLS support by default. (Added partial workaround for gettext/Darwin incompatibility problems.)

Added full MIT KRB5 and Himdall compatibility support to the com_err library and the compile_et program. (Addresses Debian bug #191900)

Added the blkid_known_fstype() function to the blkid library, which returns true if it is passed a filesystem type which is recognized by the blkid probing functions.

Improved the documentation for the blkid library.

Added the ext2fs_get_device_sectsize() function the the ext2fs library, which returns the hardware sector size of a device, if it is available.

Added a dependency in the blkid library's .so file to the uuid library, since the former uses the latter. (Addresses Debian bug #194094)

Added --with-diet-libc and --disable-evms to the configure script.

Fixed a minor memory leak in the badblocks program.

Fixed a portability problem in tune2fs --- not all systems have strptime().

Fixed a portability problem in debugfs with the use of getopt() more than once. Old-style BSD, new-style BSD, and Linux C libraries all do things differently.

Add support Windows support to ext2fs_get_device_size().

Added (normally disabled) debugging code to the Unix I/O manager which causes it to disable all userspace caching if the NO_IO_CACHE is defined.

Changed the test I/O manager so it can always be linked into e2fsck, mke2fs, and tune2fs if enabled via --enable-test-io-debug to the configure script. The test I/O manager will only print any debugging information if the TEST_IO_FLAGS or TEST_IO_BLOCK environment variables are set, which specifies which I/O operations are logged and a block number to watch, respectively. The log messages are sent to stderr by default, unless a filename is specified via the TEST_IO_LOGFILE environment variable.

E2fsprogs 1.33 (April 21, 2003)

Added a new utility program, logsave, which captures the output of a command in a log file, even if the containing directory hasn't been mounted yet (in which case the it saves the output in memory until it can write out the logfile). This is useful for capturing the output of fsck during the boot sequence.

Fixed some portability problems that were causing problems under the Cygwin32 environment.

Mke2fs now interprets a negative number to the -b option as a minimum block size.

Fixed a bug in mke2fs which was incorrectly checking the argument to the -g option if the default block size was used. (Addresses Debian bug #188319)

Fsck now explicitly ignores tmpfs and devpts, and it will complain if it can not find filesystem checkers for jfs, reseirfs, and xfs.

E2fsck now updates the global free block and inode counters from the block group specific counters quietly. This is needed for an experimental patch which eliminates locking the entire filesystem when allocating blocks or inodes; if the filesystem is not unmounted cleanly, the global counts may not be accurate.

Imported bug fixes to the EVMS plugin from the EVMS 2.0 tree. (EVMS 2.0 is not yet supported; this only pulled in the bug fixes: fixed possible hangs caused by bugs in calling waitpid, and not setting the pipe to non-blocking mode; also fixed a file descriptor leak; made sure all functions call log entry/exit functions.)

Badblocks now flushes its output file as bad blocks are discovered.

The uuid library is now more paranoid about assuming the correctness of the /dev/random device; it mixes in a stream of bytes from random/srandom, just in case.

Update Debian files to reflect the fact that I am now the Debian maintainer of e2fsprogs. Other various Debian-specific packaging cleanups.

Move the source tarball generation functions from the top-level makefile to the util/gen-tarball script.

Updated the Turkish .po translation file.

Added heimdall and MIT krb5 extensions to the com_err library to make it more compatible with com_err libraries from those distributions.

Changed dumpe2fs to always display the superblock fields relating to the journalling and/or directory indexing feature even if those features are not enabled.

Updated and clarify copyright statement vis-a-vis alpha releases of e2fsprogs.

The ss library will now try to dynamically link to the readline library and use it if it is present in the system. This means that the debugfs program now has line editing and history features. The SS_READLINE_PATH environment variable is used to find a readline or readline-compatible library.

E2fsck now finds most duplicate filenames (all when rebuilding all directories via the -D option) and offers to delete or rename duplicate filenames/directory entries. (Addresses Debian Bug #176814).

Fix bug in e2image. When writing out a raw image file, include data blocks from symlinks that do not store the symlink within the inode.

Fix bug in resize2fs which incorrectly moved the block and inode bitmaps for sparse superblock filesystems and incorrectly marked blocks as in use. (Addresses Debian bug #174766)

Added a new shared library, the blkid library, which efficiently allows fsck, mke2fs, e2fsck, and tune2fs to be able to look up LABEL and UUID filesystem specifiers without needing to search all of the devices in the system. Instead, the device is looked up in a cache file, and then verified to make sure the blkid cache is correct.

Tune2fs and e2label will accept LABEL=xxx and UID=yyy specifiers for the device name, using the blkid library. (Addresses Debian bugs #166048, #179671)

Fsck now supports backslash escapes in /etc/fstab so that \040 can be used for spaces in device labels.

Removed 32-bit limitations for debugfs's dump command.

If the user specifies a large number of inodes, Mke2fs will automatically adjust the number of blocks per group to find a valid set of filesystem parameters.

Add workaround to detect broken MD devices where when some of the underlying devices are marked read-only, writes to the MD device are silently dropped. E2fsck will detect if there is an attempt to run the journal twice, and abort with an error if this is the case. (Addresses IBM Bugzilla bug #1226)

E2fsck will print an error if more than one of the -p/-a, -n or -y options are specified.

E2fsck will fix HTREE corruptions in preen mode, without stopping the boot process. This is needed because the 2.4 ext2 filesystem accidentally had the INDEX_FL backwards compatibility code removed.

Mke2fs no longer creates filesystems with the dir_index flag set by default; the user has to specifically request it.

Update and clarified various man pages. (Addresses Debian bugs #173612, #175233, #175113, and #170497, #185945, #188318)

Created man page for the mk_cmds program (from the libss library).

Programmer's notes:

Fix various gcc -Wall nits.

Fixed a lot of portability problems that caused e2fsprogs not to build successfully under Solaris and Apple/Darwin.

Fixed a Makefile dependency to allow building e2fsprogs using parallel make jobs.

Changes to create a subset distribution which consists only of the et, ss, uuid, and blkid libraries. The configure script and top-level makefile were changed to support working with a subset distribution.

Removed EXT2_FEATURE_RO_COMPAT_BTREE_DIR mention of since it's not actually used, and might people who are looking for EXT2_FEATURE_COMPAT_DIR_INDEX, which is in use.

Updated debian files to fix a number of Lintian warnings.

Updated config.guess and config.sub with newer versions from the FSF.

Removed unnecessary libraries from being linked into the fsck, lsattr, chattr, and blkid executables.

E2fsprogs 1.32 (November 9, 2002)

Fixed a bug in the Unix I/O routines which caused needless writebacks of clean blocks from the unix_io cache (they were erroneously marked as being dirty, so they were getting written back to disk before getting evicted from the disk cache). This was harmless, but it significantly slowed down e2fsck.

Made some other minor optimizations to the Unix I/O routines to save a small amount of CPU time.

Updated internationalization files.

E2fsprogs 1.31 (November 8, 2002)

Update EVMS ext2fsim plugin with EVMS 1.2. (We still support compiling the fsim plugin with EVMS 1.0 and 1.1.) Add better error handling for child process that die unexpectedly. Add a hack to force mkfs to create filesystems that won't cause problems with hardware that has 2k or 4k minimum blocksize requirements. Read from child processes in non-blocking mode, so that the GUI continues to update.

Fix e2fsck so that it returns the appropriate exit code when the root filesystem has been changed, so that system's rc scripts will be told that the system needs to be rebooted.

Fix a bug in ext2fs_flush/ext2fs_close; when the MASTER_SB_ONLY flag was set, some of the descriptor blocks that should have been written out were getting skipped.

Changed e2fsck to force out changes to the backup copies of the superblock and block group descriptors when important changes are made to those data structures.

Fix a bug where e2fsck could erroneously mark a filesystem as being clean if a check of dirty filesystem is interrupted with a ^C. (Bug introduced in e2fsprogs 1.28.)

If journal debugging is enabled using --enable-jbd-debug, the debugging level is now set via the E2FSCK_JBD_DEBUG environment variable.

If byteswapping support is disabled using configure --disable-swapfs, skip the tests which depend on byte-swapping, so that "make check" won't bomb out.

Lsattr will now display the indexed directory flag. Also, some of the more esoteric compression flags are suppressed unless compression support has been enabled.

Update man pages.

E2fsprogs 1.30 (October 31, 2002)

When resizing a filesystem, and inodes need to moved, resize2fs will update the inode's ctime field, and the mtime field of the containing directories, so that incremental backups using dump/restore will work correctly.

In order to avoid spurious errors, e2fsck will check the last superblock write time to determine whether or not it can safely use the LOW_DTIME checks to determine if there are inodes on the orphan inode linked list that had somehow gotten disconnected. (Addresses Sourceforge bug #620980)

Partition in /proc/partitions that being with the string "lvm" are considered real partitions even if they do not end with a number.

Fixed a bug in the the uuid generation function, where if /dev/urandom is not present, but /dev/random is, and there isn't sufficient entropy, the get_random_byte function could spin a loop forever.

E2fsck, mke2fs, etc. will now reliably notice when image files are mounted using the loopback interface. (Addresses Sourceforge bug #619119)

When flushing buffers (as is done by badblocks, for example) check to see if the BLKFLSBUF ioctl succeeds, and if so, avoid using the FDFLUSH ioctl which causes the MD device driver which causes confusing syslog messages about obsolete ioctl messages. (Addresses Sourceforge bug #545832).

Debugfs's write command now checks to see if the destination filename exists before creating it. (Addresses Sourceforge bug #478195.)

When installing man pages, search for compressed man pages using all commonly used compression extensions (i.e., .Z, .gz, .bz2, etc.)

Fixed a bug in fsck where multiple filesystems specified on the command were not being checked in parallel due to a logic bug introduced to support the FSCK_MAX_INST environment variable.

We have added a new superblock field, s_mkfs_time, which indicates when a filesystem was created. It is set via mke2fs, and printed out by dumpe2fs, but is not actually touched by the kernel.

Dumpe2fs has been made more robust by not aborting if there is an error reading the block/inode bitmaps; instead it will still print out the location of the block/inode bitmaps and inode table.

Add support for the an alternative block group descriptor layout which allows for on-line resizing without needing to prepare the filesystem in advance. (This is the incompat feature flag meta_bg.)

Add support for storing default mount options in the superblock, so that the filesystem can be mounted with specific mount options without needing to specify them on the mount command line or in the /etc/fstab file.

Add support for a new inode flag, which is to be used for indicating the top of directory hierarchies for the Orlov block allocator.

Fix e2fsck so that if it creates the lost+found directory, it does so with the more appropriate permissions of 0700. Also change mklost+found so that it also creates the directory 0700.

Fixed format bug in e2fsck if NLS is in use.

Add a German translation for e2fsprogs's NLS support.

Fixed e2fsck so that it more handles BAD_BLOCK_IN_INODE_TABLE even at the beginning of the inode table. This won't matter much, since if there is a bad block at the beginning of the inode table, the root directory won't be available. But at least e2fsck won't crash in this case.

Fixed endian problems in the htree code for e2fsck and debugfs.

When byte-swapping a filesystem on a PPC architecture, byte-swap the bitmaps since the historical big-endian ext2 variant had byte-swapped bitmaps, and the ext2fs library assumes this. This fixes the regression test suite on PPC machines.

Fix e2image so that it handles a bad block in the inode table appropriately.

E2fsck now uses a more sophisticated algorithm to salvage corrupted directories that recovers more information in the corrupted directory block.

E2fsck now performs additional consistency checks on indexed (HTREE) directories.

Fix a bug where e2fsck might get confused about whether a completely empty directory block is an empty leaf block or an interior htree node. This could cause e2fsck to get confused into think that a valid indexed directory was corrupted.

E2fsck no longer creates an empty directory entry at the end of a directory block when optimizing a directory. This would cause some earlier versions of the dxdir kernel code to corrupt the directory when attempting to split a node containing an empty directory entry.

E2fsck could sometimes in rare circumstances leave the indexed flag set after a small directory was optimized by compressing it instead of indexing it. (This should never happen in real life, since directories that small wouldn't have been indexed, but better safe than sorry.)

E2fsck now only updates the master superblock in all cases. This slightly shortens its run time.

Ext2ed can deal with directory entries of length 0; previously it would get stuck in an infinite loop.

Fsck now has support for reiserfs volumes when parsing LABEL= and UUID= specifiers. (Sourceforge patch #613447)

Badblocks will now work correctly on read-only devices such as CD-ROM's. (Sourceforge patch #600451)

Updated and clarified man pages. (Addresses Debian bug #167108)

E2fsprogs 1.29 (September 24, 2002)

Fixed a bug in e2fsck which could corrupt a directory when optimizing it (via the -D option) or rebuilding the hash tree index with a 1 in 512 probability, due to a fence post error.

Fixed a bug in the LVM support code which caused LABEL='xxx' not to work correctly.

Mke2fs now enables the directory indexing flag by default. (Since this is a compatible feature flag, it's safe to do so.)

Tune2fs will support setting the directory indexing feature flag. It will automatically set up the default hash algorithm and hash seed fields in the superblock.

If the bone-headed user enters the root filesystem twice in /etc/fstab, the -R option which skips the root filesystem will skip all of them. (Addresses Debian bug #159423). Note! This is not a precedent for dealing intelligently with any other kind of doubled entry in /etc/fstab!

Programmer's notes:

Removed perror declaration in lib/et/internal.h. All modern systems can be expected to define perror() these days. Besides, the lib/et code wasn't using perror at all anyway. :-)

E2fsprogs 1.28 (August 31, 2002)

Add support for the Hashed-Tree Directory Indexing to e2fsck. Support for setting the htree flag is not included yet, although it can be manually turned on via the debugfs program.

Clarified e2fsck error message which is printed when it cannot find sufficient contiguous block when relocating filesystem metadata.

Added support for building an EVMS plugin module for ext2/3. This module is substantially the same as the EVMS module shipping with EVMS 1.1, with one or two bugfixes. E2fsprogs can also build this plugin for use with EVMS 1.0 (which did not include the ext2 plugin module), if the configure --enable-old-evms flag is given.

Fsck will search through EVMS volumes when trying to resolve filesystem specifications such as LABEL=xxx or UUID=xxx.

Added a new utility program, /sbin/findfs, which will return filesystem specifications such as LABEL=xxx or UUID=xxx, and prints the device name.

Update and clarified various man pages. (addresses Debian Bug #145044, #146437, #131350, #151990, #144621, #141938)

If there are no filesystems specified on fsck's command line, fsck now treat that as if the -As options were given. Previously it would simply do nothing. (Addresses Debian Bug #153102)

Mke2fs no longer treats a failure to be able to clear the MD signature at the end of the filesystem as a fatal error. (Addresses Debian Bug #155007)

The e2p library functions (which are used by lsattr and chattr) now double check to make sure the file is a regular file or directory before attempting to use the ext2 ioctls. Some device drivers unfortunately respond to the ext2 ioctl's with unknown behaviour. (Addresses Debian Bug #152029).

The extended attribute handling has been updated to correspond with the latest V2 bestbits ACL code.

Fixed bug in e2fsck which caused it to not clear the dtime field when processing truncated inodes on the orphan list. This could cause data loss(!) if a filesystem is rebooted before a truncate has been committed.

E2fsck now uses red/black trees in pass1b, which removes some O(n**2) algorithms. This makes e2fsck much faster in the case of severely corrupted filesystems where a large number of blocks are claimed by a large number of inodes. (Thanks to the 2.5 IDE device driver for inspiring this work.)

Resize2fs has been significantly sped up when shrinking and expanding a filesystem by a very small number of blocks (for example, when EVMS is converting a partition to be an EVMS legacy volume).

Added a new option to e2fsck, -D, which will optimize or compress all of the directories in the filesystem.

E2fsck now catches SIGINT and SIGTERM to make sure it will can properly clean up and only exit at safe points. Fsck will pass SIGINT/SIGTERM to its child processes, and wait until they have all exited before it exits.

The uuid parsing code in the uuid library now properly complains when an illegally formatted uuid is presented to it. (Addresses Debian bug #152891)

Restrict use of the 2.4 setrlimit ABI f*ckup to kernels between 2.4.10 and 2.4.17, since the workaround can cause problems when using a 2.4 kernel with an old version of glibc built with the 2.2 headers.

Fixed a bug in mke2fs where it wasn't properly clearing the initial superblock used by other filesystems. (Addresses Debian bug #147256.)

Added support for the synchronous directory feature written by Andrew Morton.

The debugfs program can delete directories using the rmdir command.

Add support for 8k and 16k filesystems (for systems with page sizes that are greater or equal to 8k or 16k, respectively). Note that these filesystems can not be mounted on x86 systems, or other systems with only 4k page sizes, due to limitations in the current Linux VM code.

Resize2fs requires that the filesystem state be valid and have no errors; otherwise, e2fsck -f must be run first. (Previously it simply required that the last fsck time be greater than the last mount time.)

Configure now defaults the man pages directory to /usr/share/man on Linux systems.

E2fsck now offers to truncate inodes which contain too many blocks (so that i_blocks would overflow. Also fixed handling of large sparse files.

E2fsck now more completely checks for symlink validity, including requiring NULL termination and length checks.

E2fsck will offer to try forcing a disk write to remap a bad block after finding a read error when reading a filesystem metadata block.

Fixed a bug in debugfs which caused the -b and -s options to crash debugfs, as well as breaking the testb, setb, and clearb functions.

Added a bmap command to debugfs which calculates the logical to physical block mapping for a particular inode.

Fixed a bug in code which checked to see if a device was mounted which sometimes (rarely) failed in the case of a plain file.

Fixed a bug in resize2fs where when it reported an error, it would print a message erroneously indicating that the filesystem had been resized before it aborted.

When resizing a plain file which is smaller than the requested size, resize2fs will attempt to extended the file so that programs like e2fsck will not complain that the file is too small.

Resize2fs will print the actual new size of the filesystem when it is finished resizing.

Fixed a bug in debugfs where "ls -l" would report incorrect file type information on big-endian systems.

Programmer's notes:

Fixed collisions with C++ reserved words.

Added portability fixes for building e2fsprogs on the HURD and AIX.

Added the ext2ed program for creation of test cases. (ext2ed has many limitations and bugs which make it unsuitable for production use.)

The ext2fs_read_dir_block2 and ext2fs_write_dir_block now take a new flag, EXT2_DIRBLOCK_V2_STRUCT, which will will reverse when the name_len field is byte swapped on big-endian machines, since in the V2 structure, name_len is a char field which is doesn't need to be byte swapped --- except if an old-style kernel had byte-swapped the name_len field as part of the V1 structure.

E2fsprogs 1.27 (March 8, 2002)

The warning messages for mke2fs now go to standard error.

Fixed to make sure "make check" runs all of the test programs with LD_LIBRARY_PATH set, so that we test the libraries in the build tree.

The mke2fs program checks the boot sector for the BSD disk label, and avoids erasing it if it is there.

Fixed a bug in e2fsck which caused it to core dump if the journal inode was missing when it was supposed to be there.

E2fsck now prints ranges in pass 5 when printing deltas for the block and inode bitmaps.

Debugfs's "ls -l" command now will print out the file type information in the directory entry.

Create man pages and hard links for fsck.ext3 and mkfs.ext3. If mke2fs is invoked as mkfs.ext3, create the filesystem with a journal.

Debugfs can now examine the experimental directory indexing information.

Fixed bug in debugfs which caused it to core dump if modify_inode is called without an open filesystem.

The debugfs lsdel command now runs its output through a pager first.

When installing manual pages, remove the compressed manual pages first.

Synchronized with Debian's packaging information for e2fsprogs-1.26-1.

Fix the 2.4 resource limitation workaround introduced in 1.26 which actually broke things on mips32, sparc32, and Alpha platforms.

Updated the I18N code so that calls to setlocate(LC_CTYPE, 0) are made (which is required by the newer libintl libraries).

Programmer's notes:

Fixed various gcc -Wall complaints.

Fixed a few memory leaks in the e2fsck journalling code, and in the ismounted code checking for a swap device.

Add new inode I/O abstraction interface which exports an inode as an I/O object.

Exported ext2_file_flush as a public interface.

In ext2_file_write, we now mark the buffer void * argument as a const, since ext2_file_write doesn't modify the buffer.

Lots of small random portability fixes to make e2fsprogs build under AIX --- even without the 5L compatibility toolkit, and even using the uber-crippled AIX native C compiler.

E2fsprogs 1.26 (February 3, 2002)

Dumpe2fs will keep going now if the bad block inode can't be read. (Previously it stopped with a fatal error.)

E2fsck will now give an opportunity to run the journal even if the recovery flag is not set. This is the default behaviour if e2fsck is using a backup superblock, since the needs_recovery flag will never be set in the backup superblock copies.

E2fsck now automatically finds the backup superblock/group descriptors even when the primary superblock is completely destroyed for 2k and 4k filesystems. (Previously it just guessed/assumed that we were dealing with a 1k filesystem in that case, and users had to manually specify the backup superblock number.)

Fixed a bug in e2fsck where it dereferences a null pointer when there is a problem opening a filesystem in preen mode.

E2fsck now handles external journals correctly; previously it trashed the external journal device if the journal needed to be replayed.

Work around ulimit incompatibility problem caused by recent 2.4 kernels; the unix IO module will automatically try to set any resource limits to be infinite on startup.

Fixed a bug in e2fsck where it wasn't allocating a new block or inode bitmap if it wasn't present and the blocksize was 2k or 4k. (Addresses Debian Bug #116975)

E2fsck will check and fix botched ext3 V1 to V2 superblock updates by clearing the new V2 fields if they do not make sense or if the ext3 superblock is version 1 superblock.

E2fsck will automatically relocate the ext3 journal from a visible file (i.e., /.journal) to an hidden inode if the filesystem has been opened read/write. This allows the users to add a journal while the filesystem is mounted, but the next time the system is rebooted, the journal file will disappear. This avoids problems with backups, stupid operators with superuser bits, etc.

Fix a bug in fsck where it would not support a filesystem type of "auto" if the device was specified in terms of LABEL=xxx or UUID=xxx.

Fsck now supports fstab entries of the form "ext3,ext2". It will also automatically identify reiserfs filesystems.

The number of processes spawned by fsck can now be limited using the FSCK_MAX_INST environment variable.

Fsck now searches the LVM proc hierarchy to find logical volumes which should be searched for UUID and label information.

Work around a bug in 2.4.10+ kernels by trying to unset the filesize limit if at all possible, when opening a block device. (The filesize limit shouldn't be applied against writes to a block device.)

In mke2fs and e2fsck, specifying the -c option twice will now do a read/write test on the disk. Update the man pages to encourage using the -c option, and to discouraging running badblocks separately, since users tend to forget to set the blocksize when running badblocks.

Mke2fs now automatically clears the immutable attribute on a pre-existing .journal file left over from a previous failed attempt to add a journal to an already-mounted filesystem.

Fixed mke2fs's exit codes to consistently indicate when the mke2fs operation failed.

Mke2fs now creates the lost+found directory with permissions of 0700, so that files that had previously lived in protected directory are safe if they get dropped in lost+found and the system administrator doesn't deal with immediately. (Addresses Debian bug #118443)

Mke2fs and e2fsck (and all programs that use the ext2fs_check_if_mounted function) will now properly identify that a device is mounted, even in cases where devfs has confused things with multiple devices names with the same identity, or if a dim-witted system administrator has done something stupid like creating device file aliases in their home directory. Also now checks for swap devices by using /proc/swaps. (Addresses Debian bug #106622)

Added a new option (-T) to tune2fs which sets the time a filesystem was last checked.

Speed up e2image when creating sparse raw image files by optimizing away excess lseek() system calls.

Fix support of large (> 2GB) files when used as a filesystem in mke2fs, tune2fs, debugfs, and findsuper.

Debugfs's stat and icheck commands now properly deals with large (> 2GB) files.

Debugfs's set_super_value command now prints out the list of valid superblock fields which can be set using the command.

Debugfs's rm and kill_file command now updates the superblock free block and inode counts, thus keeping the filesystem consistent.

Debugfs's lsdel command now takes an optional argument which allows the user to only see the most recently deleted files.

A new command (undel) was added to debugfs which automates undeleting a deleted inode and linking it back to a directory.

Debugfs's ls command now takes a new option, -d, which lists deleted directory entries.

Debugfs's testb, freeb, setb, and find_free_block commands now take an optional count argument.

Add support for a new ext2 file attribute, EXT2_NOTAIL_FL, which will be used to signal that a particular inode should not be eligible for tail-merging --- this is needed for programs like LILO.

The findsuper (an unreleased, uninstalled utility program) has been improved to add extra validity checks and to add a progress meter. (It is still an unsupported program; the officially supported way to recover from a trashed partition table is to use gpart; findsuper is for wizards only. :-)

Debugfs was fixed to compile with "configure --disable-swapfs".

Cleaned up various manual pages. (Addresses Debian bug #119624, #120171)

Added new translation file for Turkish.

Programmer's notes:

Fix general gcc -Wall complaints.

E2fsprogs (mostly) works with the dietlibc.

The programming texinfo file has been expanded to include description of additional libext2fs functions. (Still not completely done, but a lot of the more important functions have been documented.)

Added a umask structure to struct_ext2_filsys, which currently only modifies the behaviour of ext2fs_mkdir(), but if we add any file creation functions to libext2fs, we should also make sure they respect the umask setting.

The build-rpm script was fixed to be a bit more safe.

The tests' Makefile now has a way of automating test case creation for e2fsck, using "make testnew".

Created a new function, ext2fs_dir_iterate2 which passes more information to the callback function (identical to the one used by ext2fs_dblist_dir_iterate). The directory iterator functions take a new flag, DIRENT_FLAG_INCLUDE_REMOVED, which will return deleted directory entries. If the directory entry is deleted, the callback function will be called with the entry parameter set to DIRENT_DELETED_FILE.

Added new functions, ext2fs_inode_alloc_stats and ext2fs_block_alloc_stats, which takes updates block/inode allocation statistics in the bitmaps, block group descriptors, and superblock when inodes or blocks are allocated or deallocated.

E2fsprogs 1.25 (September 20, 2001)

This is primarily a bug-fix release; no new features were added, but there are a number of embarrassing bug fixes and cleanups applied.

Fix a bug mke2fs which causes stack garbage to be written to disk when zapping disk sectors. (This bug could cause mke2fs to core dump for some kernels, I suspect with security enhancement patches.)

Remove unneeded #include of <linux/config.h> which was breaking building e2fsprogs on the Hurd. (Addresses Debian bug #112414.)

Updated tune2fs man page to reflect the fact that adding or removing a journal doesn't require running e2fsck.

Remove use of AC_REQUIRE from autoconf which had been used to prevent AC_CANONICAL_HOST from being called twice; unfortunately this causes recent autoconf to bomb out since they don't allow AC_REQUIRE to be used outside of autoconf macros. Fortunately, it doesn't seem to be necessary any more, anyway.

E2fsck will now not fall back to an alternate superblock if the user specifies the superblock location explicitly on the command-line. This allows easier recovery from a situation where the primary superblock and block groups are slightly corrupted, but the backup superblocks are completely broken.

Fix problem which caused compile_et and mk_cmds to blow up if e2fsprogs was in a directory with a pathname that contained spaces.

We are now more paranoid about checking the entry in /etc/mtab to make sure the filesystem is really mounted, since some broken distributions (read: Slackware) don't initialize /etc/mtab before checking non-root filesystems. (Slackware also doesn't check the root filesystem separately, and reboot if the root filesystem had changes applied to it, which is dangerous and broken, but there's nothing I can do about that.)

Make UUID library C++ friendly by adding appropriate extern "C" declarations and using const in the function declarations.

Fix up the com_err texinfo file so that it can product a valid info file (previously, it could only be used to generate paper documentation using texinfo.tex).

E2fsprogs 1.24a (September 2, 2001)

Fix brown-paper bug in mke2fs which caused it to segfault when printing the version string.

E2fsprogs 1.24 (August 30, 2001)

Revert the BLKGETSIZE64 support, since for some distributions, this ioctl has been used by an unofficial kernel patch to update the last sector on the disk, and this was causing disk corruption problems as a result.

Mke2fs is now more careful about zapping swap space signatures and other filesystem/raid superblock magic values so that programs like mount who try to use heuristics to determine the filesystem type of a partition are less likely to be confused.

E2fsck will no longer complain if the the mode of EXT2_RESIZE_INO is a regular file (since Andreas Dilger's on-line resizing tools will set its mode bits).

Fixed some minor texinfo, man pages nits for spelling errors, texinfo warnings, etc. (Addresses Debian bug #110621.)

E2fsprogs program no longer print the filesystem version number (i.e. 0.5b), since it only confuses people and doesn't serve any real purpose.

E2fsck will once again compile under libc5, since it will supply its own version of strnlen if necessary.

Mke2fs and tune2fs will allow the use of UUID= or LABEL= specifiers when specifying the external journal device. tune2fs will also search devices looking for the external journal debice when removing it.

E2fsprogs 1.23 (August 15, 2001)

Add initial support for extended attributes (EA); e2fsck will correctly handle a filesystem with EA's and check the EA blocks for corruptions.

E2fsck's symlink sanity checking has been cleaned up. It now checks the i_size value of fast symlinks, and checks for immutable flags being set of symlinks, etc.

E2fsck now offers to clear inodes which are special files that have a non-zero i_blocks or i_size field. (The i_size field check was in the previous version of the code, but due to a bug it didn't offer to clear the inode unless i_size and i_size_high were both non-zero.)

E2image can now create "raw" image files, which only contain the filesystem metadata placed in a spare file so that e2fsck, dumpe2fs, debugfs, etc., can be run directly on the raw image file.

Add support for the 64-bit block device patches.

Fixed bugs in creating external journals with a 1k blocksize.

Add initial support for external journals (so long as the external journal only supports a single filesystem) in e2fsck.

Remove requirement for needing to run fsck on a filesystem after removing a journal (either internal or external).

The man pages now document how to create and manage external journals.

Speed up the check of an ext3 filesystems by avoiding a needless flush of all of the superblock and block group descriptors.

Speed up creating an internal journal using tune2fs in the case where the filesystem has a lot blocks already allocated.

Tune2fs has been fixed to make sure that only error messages go to stderr, and normal message go to stdout. (Addresses Debian bug #108555)

Fixed a minor bug in mke2fs; if -O none is passed to mke2fs, it will now not set the sparse_super feature. (Addresses Debian bug #108165)

Add support in fsck for the filesystem type "auto".

Fsck -A will not try to interpret device names for filesystems which have a pass number is 0. (Addresses Debian bug #106696).

Fsck prints a warning message if now valid filesystems are passed to it. (Addresses Debian Bug #107458.)

E2fsck now gives an explicit warning if there filesystem still has errors at the end of the run. (Addresses Debian bug #104502)

E2fsck will set the EXT2_ERROR_FS flag if the journal superblock reflects an error. E2fsck will also not run the orphan list if the filesystem contains errors, since the orphan list might be corrupted.

E2fsck now prints the number of large files when given the -v option.

Fixed minor memory leaks in e2fsck.

Some minor man pages updates. (Addresses Debian bug #30833, #108174)

E2fsprogs 1.22 (June 22, 2001)

Fixed a bug in e2fsck's handling of orphan inodes which are special files (i.e., block/character device files, named FIFO's, etc.).

Fixed a bug accidentally introduced in e2fsprogs 1.21 which caused tune2fs to fail at adding a journal to a mounted filesystem.

Fixed a few big-endian bugs in e2fsprogs:

  • The directory block functions were accidentally reporting some directories as corrupted when they weren't.
  • If e2fsprogs is compiled --disable-swapfs, the C language equivalents weren't being included for big-endian platforms. (Fixes Debian bug #101686).

Fixed a Hurd compilation problem. (Addresses Debian bug #101361)

Programmer's notes:

Use platform independent method of defining the BLKFLSBUF and FDFLUSH ioctls, and allow them to be defined for non-i386 platforms.

The uuid.h header file is now protected against multiple inclusions.

E2fsprogs is now being developed using BitKeeper. Changed the test scripts to deal with BK's stripping CR characters from text files, and changed the top-level Makefile.in to avoid including BitKeeper files when generating the source tarball.

E2fsprogs 1.21 (June 15, 2001)

Added new configure flags which allow a subset e2fsprogs to be built; this is most useful for boot floppies, since the resulting shared libraries and programs are slimmed down by removing features that aren't necessary for a boot floppy. The new flags that were added are: --disable-swapfs, which removes support for byte swapping old legacy PPC/68k filesystems, --disable-debugfs, which removes support for debugfs from the libext2fs library, --disable-imager, which removes support for the e2image program, and --disable-resizer, which removes support for resize2fs.

E2fsck now prints the number of mounts or days elapsed since the last check when e2fsck is forced to check an otherwise clean filesystem.

Tune2fs now prints an informative message about how often a filesystem will be checked when adding a journal to the filesystem, to remind the user that he/she may want to adjust those parameters using tune2fs -c/-i.

Worked around hurd brain-damage which causes e2fsck to sometimes believe a filesystem is the root filesystem based on device numbers (since Hurd doesn't have dev_t's, which is arguably a POSIX.1 violation).

Fixed a bug introduced in 1.20 which caused e2fsck to abort with an erroneous error with the -F option was specified.

Fixed a ext3 recovery bug in the revoke handling; synchronized with ext3 0.7a.

Fixed two bugs in e2fsck's handling of dup block handling, dealing with relatively uncommon edge cases: a directory with an indirect block which is claimed by another file, and when the last inode in the filesystem has blocks claimed by another file.

E2fsck now checks to see if the i_size field of a fast symlink is too big, and offers to clear the symlink if so.

E2fsck now checks to see if i_size_high of special files is non-zero, and offers to clear i_size_high.

Fix e2fsck's handling of incompatible journal flags so that the user has chance to abort, and then has the option to clear out the journal entirely. (Addresses Debian bug #98527.)

Fixed a bug in fsck which could cause it to core dump if a mix of standard and non-standard device names are used in /etc/fstab. (Debian bug #100559)

Fixed a bug in debugfs which caused read errors when copying a file to not be noticed.

The debugfs set_super_value command can now modify the s_lastcheck field.

Fixed a bug in lsattr and chattr which was accidentally introduced in 1.20 to support > 2GB files; both lsattr and chattr wasn't reading directories correctly because the change modified the layout of struct dirent to be incompatible with the libe2p shared library.

Cleaned up the mke2fs manual page and included a discussion about why it's good to periodically check the filesystem even when journalling is enabled.

Programmer's notes:

Fix general gcc -Wall complaints.

The types needed by the ext2 header files are now provided by lib/ext2fs/ext2_types.h, instead of include/asm/types.h.

Integers are now preferred to longs when trying to find a 32-bit type in ext2_types.h. Also, if linux/types.h has already been defined, don't try to redefine the types.

Fixed make depend script so that it automatically corrects the pathname cleanups performed by make -M, so I don't have to fix them up by hand.

Fixed the d_loaddump test case to be more robust, and not depend on bash'isms.

Removed debugfs's dependence on pread(), which was accidentally introduced in e2fsprogs 1.20

Fixed a performance bug in the libext2fs's icount routine; the size estimate of the icount array was incorrectly being calculated.

Removed use of the badblocks compatibility functions in the e2fsprogs programs.

Added paranoia code which protects against strange cases where /etc isn't on the root filesystem, or if /etc/mtab doesn't exist.

The header file ext2_types.h is now installed.

Autoconf is used to determine when we are on big-endian machines, instead of doing run-time tests, to save a few bytes of code.

The ext2fs_mark_generic_bitmap and ext2fs_unmark_generic_bitmap functions are no longer inline functions, which saves space and doesn't really cost any real performance.

The ext2fs library no longer depends on the e2p library. (What need there was of it --- namely, fsetflags, was coded in-line).

Fixed the makefile so that lib/ext2fs/ext2_types.h is generated even when the user is stupid and tries compiling the package using "make install" as root.

Miscellaneous code cleanups:

  • Added missing files from Makefile.in's SRCS file, so that their dependencies would be properly calculated.
  • Removed redundant code
  • Fixed comments in code
  • Removed no-longer needed argsused #pragma.

E2fsprogs 1.20 (May 20, 2001)

Add support for replaying the ext3 journal purely in user mode, including handling the orphaned inode list. Used code contributed by Andreas Dilger, with bug fixes and the orphaned inode handling done by Theodore Ts'o.

The mke2fs and tune2fs programs can create or modify a filesystem to include an ext3 journal. Tune2fs also can be used to remove an ext3 journal from a filesystem.

E2fsck will now check for the existence of a linked list of orphan inodes in the superblock, and clear those inodes before starting the rest of the filesystem check (but after the journal playback).

E2fsck now validates the file descriptor passed to the -C option, which saves against the completion bar getting written to an unexpected location, such as the disk being checked. (Debian bug/wishlist #55220)

E2fsck will now bump the filesystem revision number from zero to one if any of the compatibility bits are set.

Fixed a bug where a badly corrupted directory on a big endian system could cause e2fsck to die with a bus error. The ext2fs_read_dir_block() and ext2fs_process_dir_block() functions in the ext2 library now does alignment sanity checks on the rec_len field of the directory entry before using it.

The ext2 library has been enhanced to make tune2fs safe to run on mounted filesystems. (Users could usually get away with using tune2fs on mounted filesystems before, but with the advent of ext3 and journalling, it became important to make tune2fs was *really* safe for use even when the filesystem being modified is mounted.) E2label is now implemented by tune2fs using an argv[0] dispatch, so that e2label is also now safe for use on mounted filesystems.

Added a new program, e2image, which creates a backup of critical ext2 filesystem data structures. The generated image file can be examined using dumpe2fs and debugfs. In the future, e2fsck will be able to use the image file to help recover very badly damaged filesystems.

Fixed a number of LFS bugs in e2fsck; very, very large (> 2**42) files no longer cause e2fsck to bomb out. Also treat files > 2GB as being large file when deciding whether or not the filesystem has large files.

Fixed lsattr and chattr so that they work correctly on large files. (Fixes Debian bug #72690.)

Removed limitation in get_device_size() which imposed a one terabyte filesystem limitation. (Most 2.2 kernels still have a signed int problem which cause 1 TB block device limitation. Fortunately, the kernel patches to fix this are much easier than fixing the 2TB limitation in the kernel. :-)

A max_mount_count of zero is now treated as if no mount count were set. (Previously, no mount count was indicated by using -1, and a mount count of zero caused e2fsck to always be run.)

Mke2fs supports two new filesystem types largefile and largefile4.

Mke2fs now adds some randomness in s_max_mount_count so that multiple filesystems won't be all checked at the same time under normal operations.

Fixed bug in the progress bar printing code which could cause e2fsck to core dump on an illegal filesystem.

Fixed bug in fsck which could allow more than one instance of e2fsck to be printing a progress bar. (Debian bug #65267)

Fsck using a UUID or a LABEL specifier will work even if devfs is compiled into the kernel and not mounted. If the pathnames in /proc/partitions are incorrect, fsck will search /dev for the correct device (using the new ext2fs_find_block_device library function). Fsck now also checks the RAID devices first so that they are properly found when they are in use. Support has also been added to support additional IDE disks and the DAC 960 device names. (Debian bug #94159)

Fixed a bug in fsck which caused it not deal properly with 16 byte long filesystem labels.

Fsck's -t option has been made a lot more flexible. The semantics for what happens if a comma-separated list to fsck has been regularized, and it is now possible to filter what filesystems will get checked based what is in the filesystem's fstab entry's option field. (Debian bug #89483.)

The dumpe2fs program can now print out the group description information in hex, and also prints the location of the superblock and block group descriptor for those block groups that have them.

Mke2fs now clears the ext2 superblock before it starts creating a filesystem, so that the superblock magic number is only written if the filesystem creation process successfully completes.

The debugfs program's stat command now pretty-prints the blocks used by an inode so that it's more compact and informative.

The debugfs stats command now uses the same libe2p code (which is used by dumpe2fs) to print the superblock header information. This is more complete, and it avoids a bit of code duplication.

Added a new debugfs command, set_super_value (ssv) which allows the user to set arbitrary superblock fields.

Debugfs was extended to support inode numbers in hex (by prefixing them with 0x), and so that modify_inode can set the inode generation number. Also, there is now a new function command called logdump which will dump an ext3 journal.

Fixed a bug in debugfs so that quitting out of the pager doesn't kill debugfs.

Debugfs's dump command now stops immediately upon reporting a disk read error. (Fixed a bug in ext2fs_file_read library routine which caused debugfs not to stop.) (Debian bug #79163)

On systems with /proc/mounts (mainly Linux systems), /proc/mounts is checked before /etc/mtab is used, since /proc/mounts is more likely to be accurate.

Added portability fixes for Solaris and Linux/ia64.

Various manual pages were clarified and cleaned up. (Fixed debian bugs #63442, #67446, and #87216)

Programmer's notes:

The e2fsck message printer now supports %Iu and %Ig, which will print out the inode's user and group owners, respectively.

E2fsprogs now includes its own version of include/linux/ext2_fs.h, so that no longer dependent on the system having the correct version of the kernel header files.

Added a new function to libext2, ext2fs_find_block_device(), which searches the system (i.e., /dev, /devfs, /devices) for a pathname to a device given its device number.

Added a new function to libext2, ext2fs_sync_device, which centralizes all of the places which might try to use the BLKFLSBUF or FDFLUSH ioctls (and usually failing to define them since the system header files don't usually do this for us, and we're trying to avoid usage of kernel include files now).

Added new utility programs in tests/progs: random_exercise and hold_inode. They aren't built by default; they're useful for exercising ext3 filesystem code.

Added a new ext2 filesystem flag, EXT2_FLAG_SUPER_ONLY, which causes the filesystem close functions to only update the superblock, and to not touch the block group descriptors. Needed by tune2fs when modifying a mounted filesystem.

Got rid of struct ext2fs_sb and replaced it with the standard struct ext2_super_block from include/linux/ext2_fs.h. Note: this may break source (but not binary) compatibility of some users of the ext2 library. Those applications should just simply do a global search and replace of struct ext2fs_sb with struct ext2_super_block, and include the new header file which defines it.

The ino_t type has been renamed ext2_ino_t to protect applications that attempt to compile -D_FILE_OFFSET_BITS=64, since this inexplicably changes ino_t(!?). So we use ext2_ino_t to avoid an unexpected ABI change.

The Makefiles have been reworked so that "make check" can be run from the top-level Makefile.

Fix general gcc -Wall complaints and removed dead code.

Remove use of NOARGS, because we assume everyone does ANSI C these days.

Added build-rpm script from sct.

New functions ext2fs_image_{inode,super,bitmap}_{read,write} added to support e2image.

New function ext2fs_flush_icache which must be called if the application program modifies the inode table blocks without going through ext2fs_write_inode() interface.

New ext2fs_check_mount_point() function, which will return the mount point of a device if mounted.

The io_channel abstraction now has an optional interface, io_channel_write_range, which allows specific byte ranges to be written.

The unix_io IO channel now supports write-through caching, so that journal creation is more efficient.

Added x86 assembly language routines to support byte swapping, to reduce executable size.

Fixed bug in the utility program subst so that it's possible to replace a substitution variable with a zero-length string.

Fixed numbering e2fsck pass1 problem numbers; an extra zero had slipped into some of the problem number.

E2fsprogs 1.19 (July 13, 2000)

Release the resize2fs program since the timeout before it could be published it under the GPL has finally expired.

Add experimental support needed for the ext2 compression patches. This requires compiling e2fsprogs with the --enable-compression flag to the configure script.

Added ext3 journalling support. E2fsck will run the journal (if necessary) by temporarily mounting the filesystem. /sbin/fsck.ext3 is installed as a symlink to e2fsck. Fsck has been taught about ext3, and treats it the same as ext2 in terms of the progress bar logic. Dumpe2fs will display the superblock journalling information if the filesystem has a journal. The ext2 library will now permit opening an ext3 filesystem with the recovery flag set. This is necessary for on-line dump's to work correctly, but there may be issues with this working well since ext3 is much less aggressive about syncing blocks to the filesystem, since they're safe on the journal.

Tune2fs and e2fsck have been changed to allow the mount_count check to be disabled by setting max_mount_count to -1. (This was already supported by the kernel.)

Create a symbolic link for fsck.ext3, since the e2fsprogs utilities are used for ext3 as well.

Added internationalization support for e2fsprogs; must be enabled by passing --enable-nls to configure.

Always use the provided ext2fs header files to insulate ourselves from kernel version changes. Which include files are used by e2fsprogs have also been cleaned up to improve portability.

Limit the number of times that e2fsck updates the progress bar so that people who are booting using a 9600 baud console don't get swamped by too many updates.

Improved the loop detection algorithm in e2sck's pass #3 so that it is much, much faster for large filesystems with a large number of directories.

The memory footprint for e2fsck is now slightly smaller than before.

E2fsck now checks if special devices have a non-zero size, and offers to clear the size field if it finds such an inode.

E2fsck now checks if special devices have the append-only flag set, and offers to clear the inode.

E2fsck now properly handles some "should never fail" cases during a bitmap copy in pass5.

E2fsck now properly prints control characters in filenames as ^A .. ^Z.

Added non-destructive write testing to the badblocks program, courtesy of David Beattie. The badblocks also now has an option to input the current set of bad blocks, so that known bad blocks are skipped to speed up the badblocks test. There is also a persistent rescan feature which causes badblocks to run until it has completed some number of passes without discovering any new bad blocks.

Badblocks now checks to see if the device is mounted and refuses to do the tests involving writing to the device if it is mounted. Also, badblocks now allows the number of blocks to be checked to be defaulted to the size of the partition.

Fixed a bug in fsck which didn't allow non-root users to be able to check filesystems if there were any LABEL= or UUID= entries in /etc/fstab.

The Hurd doesn't support the filetype filesystem feature. The mke2fs program now makes sure that for the Hurd, the filetype feature is turned off. E2fsck will check to see if the filetype feature is turned on for Hurd filesystems, and offer to turn off the feature.

Mke2fs now has a safety check to make sure the number of blocks do not exceed 32 bits even on a 64 bit platform.

Really fixed a bug in fsck to allow "fsck -As" to run interactive fsck's. (For those people who like to do interactive fsck's in the /etc/rc scripts!?!)

Debugfs has a few new features: the rdump command, which will do a recursive dump of a directory and all of its contents, and the lcd command which does a local chdir (much like the ftp command of the same name). In addition, the debugfs program and the open_filesystem command now takes three new options: -b and -s, which allows the blocksize and superblock location to be specified, and the -c option which is used in catastrophic situations where the block group descriptors are corrupt. If the -c option is specified, debugfs will skip trying to read in the block and inode bitmaps.

Debugfs's lsdel command was fixed to handle bad blocks in the inode table.

A Y2K bug in debugfs's "ls -l" handling was fixed by switching to use 4 digit years.

General improvements in error messages

  • Mke2fs prints a sane error message if the partition size is zero (usually because the partition table wasn't reread by the kernel due to the partition being busy), instead of "invalid argument passed to ext2 library while initializing superblock".
  • Fsck now prints more self-explanatory message if an invalid UUID= or LABEL= specification is passed to it.

UUID library changed to use the LGPL.

Fixed a bug in the UUID library where very rapid calls to the time-based UUID generator could cause duplicate UUID's to be returned. This was not a problem for e2fsprogs, but it could be a problem for other users of the library.

Make the UUID library more robust in the face of missing or an improper /dev/urandom or /dev/random files.

Added some random portability fixes for Solaris.

Some minor man page updates.

Fixed a memory leak in the ss library.

Programmer's notes

We now try to use lseek64 and open64 from the LFS if possible.

The 3rd parameter in e2p's print_flags is now a flags word, instead of a boolean option.

The mark and unmark bitmap functions now return the previous state of the bit that was being changed, which is useful for some speed optimizations.

The following functions have been added to enhance the badblocks list handling in libext2fs: ext2fs_write_bb_FILE, ext2fs_read_bb_FILE2, and ext2fs_badblocks_equal.

The ext2 header files now have the latest journalling fields to the superblock.

The ext2fs_mkdir function in libext2fs now properly backs out of error conditions robustly.

Cleaned up makefiles:

  • to cleanly compile with the -j flag.
  • so distclean removes all generated files.
  • so in case of an error while installing header files, the make aborts.

Fix test_script so that it works correctly when compiling in the source directory.

Update libraries to build under a.out shared libraries (again).

Clean up the build process so it's more friendly in case of missing directories.

The ext2fs header file can now be #include'd into C++ programs.

The e2p.h header file is now installed.

Added workaround to a gawk 3.0.5 bug in lib/ss/mk_cmds.

E2fsprogs 1.18 (November 10, 1999)

Fix a core dumping bug in e2fsck if an imagic inode is present or (more rarely) if the filesystem is badly corrupted enough that e2fsck has to restart pass 1 processing. E2fsck now closes the filesystem before freeing a large number of its data structures, so in the case of future memory faults, at least the fixed filesystem will be fully written out.

If a filesystem doesn't support imagic inodes, and e2fsck discovers an imagic inode, it will offer to clear the imagic flag.

E2fsck will now offer to clear the immutable flag on special files (device/socket/fifos) when running it in non-preen mode.

E2fsck will now set the filetype when creating /lost+found, and when connected orphaned inodes to /lost+found.

Debugfs's ncheck and icheck commands now handles the case where there are bad blocks in the inode table without bombing out.

The badblocks list processing code has been made more efficiently for appending a large number of (ordered) badblocks to the badblocks list.

Some minor man page updates.

Fsck now allows interactive e2fsck's when using fsck -As (not a common mode, but some people like to do this in boot scripts for silly reasons).

Programmer's notes

The internal e2fsck problem code for PR_2_SPLIT_DOT was fixed to meet with the problem code convention.

The badblocks list regression test program has been updated to work with previously made API name changes.

The ext2fs_free() command now uses the new badblocks API to avoid using the compatibility layer.

Added new regression test cases; the run_e2fsck test script now supports the ability for a test case to run a preparatory command before running e2fsck.

E2fsprogs 1.17 (October 26, 1999)

Fixed nasty typo in fsck which caused parallelized fsck's to go into an infinite loop.

Fixed a bug in fsck where it used strncmp to compare a binary UUID, thus potentially causing problems if a binary UUID contained a NULL character.

E2fsck now uses stricter checks for directory entries in pass 2: zero-length filenames are not allowed; neither are 8 byte long directory entries.

The debugfs "dirty" command now clears the filesystem valid bit. (Previously this just set the dirty-as-in-needs-writing-out-to-disk bit in the in-core superblock image. The new functionality is more what the user expects, and is more useful.)

Added a debugging hook to test parallel fsck; if the environment variable FSCK_FORCE_ALL_PARALLEL, then filesystems on the same drive will be checked in parallel when they normally would not be.

Programmer's notes

Fixed some #ifdef's for compilation under the Hurd OS.

Fixed minor W2K compatibility problems.

Fixed some miscellaneous GCC warnings.

E2fsprogs 1.16 (October 22, 1999)

Fixed a race condition bug in fsck; when printing a progress bar, if checking multiple filesystems in parallel, it was possible for fsck to send e2fsck a SIGUSR1 signal before e2fsck had installed its signal handler, which would cause it to terminate with a signal 10.

E2fsck now properly handles filesystems that have the INCOMPAT_FILETYPE feature turned on. It can be used to convert a filesystem into using or not using FILETYPE feature.

E2fsck now properly handles filesystems that have the IMAGIC feature turned on (this is used on Linux AFS servers).

The mke2fs program now creates filesystems that have the filetype and sparse_superblock features enabled by default, unless it is run on a pre-2.2 kernel. These features are not supported by a pre-2.2 kernel, so there is now a new flag -O which allows the user to specify with which features she would like to create the filesystem; "mke2fs -O none" will create a filesystem compatible with 2.0 kernels.

The tune2fs program now has a -O option which allows the user to set and reset "safe" filesystem features. Currently, the only ones which allows to be modified are the filetype and sparse_superblock features. Note setting or clearing either feature will require running e2fsck on the filesystem afterwards. (n.b. Clearing the sparse_superblock feature requires that there is enough free space on the filesystem for the extra superblocks which will be created by e2fsck.)

Debugfs can now set and print filesystem features in the superblock using the "features" command. Dumpe2fs will print out the complete set of features when listing the superblock.

Dumpe2fs has new options -f (force) and -h (header-only).

Fixed a bug in e2fsck which could cause the PROGRAMMING ERROR/bonehead message to come up. This could happen when decrementing or incrementing a link count could result in an overflow.

Fixed a bug in e2fsck where the block count on the lost+found directory would not be properly incremented when the directory was expanded to the point where an indirect block needed to be allocated.

E2fsck now makes some additional sanity checks on the superblock to avoid crashing or giving a memory allocation error if some of the values in the superblock are unreasonable (but the superblock otherwise looks valid).

Fixed a bug in e2fsck where a very badly corrupted filesystem might require two passes to completely fix the filesystem. This happened if an inode claimed blocks that was part of the filesystem metadata (typically, when garbage was written into an inode table or indirect block, since this kind of filesystem corruption normally doesn't happen otherwise).

On the Alpha, glibc declares st_flags although it isn't actually used; the configure script was improved to detect this case so that e2fsprogs can avoid using the non-functional stat field.

The manual pages were updated to use a more consistent formatting style consistent with standard Unix man pages. Mke2fs's man page added documentation for a few previously undocumented options.

Fixed minor display bugs in tune2fs and mke2fs.

Programmer's notes

Improved portability of e2fsprogs to non-Unix systems (in particular, NT).

Added features to parse and print feature strings into the e2p library. (e2p_feature2string, e2p_string2feature, e2p_edit_feature).

ext2fs_mkdir() and ext2fs_new_dir_block() now creates directories whose directory entries contain proper filetype information if the filesystem supports it.

ext2fs_link() now uses the low 3 bits of its flags parameter to pass the directory entry filetype information. This is used to set the directory entry filetype information if the filesystem supports it.

Fixed a bug in ext2fs_expand_dir() where the block count in a directory's inode would not be properly incremented when the directory was expanded to the point where an indirect block needed to be allocated.

E2fsprogs 1.15 (July 18, 1999)

Add configuration checks so that e2fsprogs will compile cleanly on Linux 2.3 kernels that have renamed i_version to i_generation.

E2fsck now prints a progress/completion bar (and not just a simple spinner) if the -C0 option is requested or if it receives a SIGUSR1 signal. Fsck will automatically manage the (potentially multiple) e2fsck processes to print completion bars if it is given a -C option, with the right thing happening if multiple filesystems are being checked in parallel.

Mke2fs now has better automatic heuristics to determine the filesystem parameters to be used for a particular filesystem. Added a new option -T which allows the user to specify how the filesystem is to be used, which helps mke2fs do a better job selecting the filesystem parameters.

Mke2fs now creates revision 1 filesystems by default, and with the sparse superblock feature enabled. The sparse superblock feature is not understood by Linux 2.0 kernels, so they will report errors when mounting the filesystem. This can be worked around by using the mount options "check=none".

Fix bug where if /dev/null couldn't be opened (should never happen), e2fsck would hang in a tight loop.

Make e2fsck handle the case where /lost+found isn't a directory.

E2fsck now uses mallinfo if it exists to get accurate statistics about its memory usage.

Fix bug in e2fsck where it wouldn't check to see if a disconnected inode had any problems before connecting it to /lost+found.

Add check to e2fsck so it makes sure that total number of inodes in the filesystem is a sane number.

Fix fencepost error when clearing an the end of the block bitmap which caused the last block in the bitmap not to get cleared.

Cleaned up a number of messages in e2fsck:

  • The message "Group's #'s copy of the group descriptor..." was fixed so that the correct number would be displayed.
  • Added missing space in the "disk write-protected" error message
  • Cleaned up the error message printed when a non-interactive e2fsck needs to abort a check because the filesystem appears to be mounted.

Added a new command-line utility, uuidgen, which will create and print a UUID.

Make debugfs's icheck command more robust by checking to make sure an inode has valid blocks before iterating over the inode's blocks.

UUID generation now uses a random-based scheme whenever possible to prevent potential privacy problems.

Man pages for all of the UUID functions in the library were added.

Fixed bug in fsck so it won't coredump if a filesystem not in /etc/fstab is given to it.

Fsck now understands the UUID=xxxx and LABEL=yyyy forms in /etc/fstab that most of the other mount utilities understands.

Mke2fs will make a filesystem even if it appears mounted if the force option is given.

Dumpe2fs has new command-line options which allow a filesystem expert to specify the superblock and blocksize when opening a filesystem. This is mainly useful when examining the remains of a toasted filesystem.

The badblocks program has been updated to display correctly on disks with large block numbers.

The badblocks program no longer gives spurious errors when errors occur on non-block boundaries, which is common if the blocksize is larger than 1k.

Mke2fs will sync the disk device every MKE2FS_SYNC block groups if the MKE2FS_SYNC environment variable is set. This is to work around a VM bug in the 2.0 kernel. I've heard a report that a RAID user was able to trigger it even using a 2.2 kernel, but hopefully it will not be needed for most Linux 2.2 users.

Fixed miscellaneous documentation and man pages.

Programmer's notes

Cleaned up functions such as pass1_get_blocks, pass1_read_inode which in e2fsck's pass1.c really should have been static.

The return value of the uuid_compare() function was changed to make it match with the conventions used by strcmp, memcmp, and Paul Leach's UUID sample document.

The "make depend" process has now been made more automated; it now automatically word-wraps the dependencies, and only replaces source Makefile.in if there has been a change in the dependencies. Also, a top-level "make depend" now recurses through all the subdirectories automatically.

The Makefile in .../util has been changed so that subst is built using the native C compiler during a cross-compilation, since the subst program is only used during the build process. Also add an explicit rule to build util/subst by cd'ing to the correct directory and running Makefile.

The man directories are defined in terms mandir, so that the configure script can override the location of the manual pages.

The config files have been updated to recognize new machine types for both the i386 and alpha families.

Fsck has been modified so that it will accurately create an fsck_instance even when the noexecute flag is set. This allows for accurate debugging of the fsck pass structure. Also, when the verbose flag is given twice, fsck will print debugging information about when fsck is waiting for jobs to finish.

E2fsprogs 1.14 (January 9, 1999)

Fix the fstab parsing code so that it can handle blank lines and comment characters. Also, missing pass numbers need to be treated as zero.

Fixed a bug in e2fsck where under some circumstances (when e2fsck needs to restart processing after fixing an egregious inconsistency) it would try to access already freed memory.

E2fsck now prints non-printable characters in directory entries and pathnames using '^' and 'M-' notation.

Fixed chattr so that it will ignore symbolic links when doing recursive descent traversals. For both chattr and lsattr, no longer print the version string unless the -V option is given.

Allow the system administrator to directly specify the number of inodes desired in the filesystem, for some special cases where this is necessary.

Fix portability problems so that e2fsprogs can be compiled under Linux 1.2 systems and Solaris systems.

Update the config.guess file with a more recent version that will identify newer Linux platforms.

Programmer's notes

Ext2fs_read_inode and ext2fs_write_inode will now return an error if an inode number of zero is passed to them.

E2fsprogs 1.13 (December 15, 1998)

Fixed a bug in debugfs where an error messages weren't getting printed when the ext2 library routines to read inodes returned errors in the stat, cmri and rm commands.

Fixed a bug in mke2fs so that if a ridiculous inode ratio parameter is provided, it won't create an inode table smaller than the minimum number of inodes required for a proper ext2 filesystem.

Fsck now parses the /etc/fstab file directly (instead of using getmntent()), so that it can distinguish between a missing pass number field and pass number field of zero. This caused problems for diskless workstations where all of the filesystems in /etc/fstab have an explicit pass number of zero, and fsck could not distinguish this from a /etc/fstab file with missing pass numbers.

E2fsck will create a /lost+found directory if there isn't one in the filesystem, since it's safer to create the lost+found directory before it's needed.

Fixed e2fsck so that it would detect bogus immutable inodes which happen to be sockets and FIFO files, and offer to clear them.

If a filesystem has multiple reasons why it needs to be checked, and one of the reasons is that it is uncleanly mounted, e2fsck will print that as the reason why the filesystem is being checked.

Cleaned up the output routines of mke2fs so that it doesn't overflow an 80 column display when formatting really big filesystems.

Added a sanity check to e2fsck to make sure that file descriptors 0, 1, 2 are open before opening the hard disk. This avoids a problem where a broken program might exec e2fsck with those file descriptors closed, which would cause disastrous results if the kernel returns a file descriptor for the block device which is also used by FILE * stdout.

Fixed up the e2fsck progress reporting functions so that the values reliably reach 100% at the completion of all of the e2fsck passes.

Fixed minor documentation bugs in man pages and usage messages.

Programmer's notes

Fixed a number of lint warnings in the ext2fs library and potential portability problems from other OS's header files that might define CPP macros for names like "max" and "min".

ext2fs_badblocks_list_add() has been made more efficient when it needs to grow the bad blocks list.

Fixed a bug in e2fsck which caused it to dereference a freed pointer just before exiting.

Fixed the substitution process for generating the mk_cmds and compile_et scripts so that they will work outside of the build tree.

Add sanity check to e2fsck so that if an internal routine (ext2fs_get_dir_info) returns NULL, avoid dereferencing the pointer and causing a core dump. This should never happen, but...

E2fsprogs 1.12 (July 4, 1998)

E2fsprogs now works with glibc (at least with the version shipped with RedHat 5.0). The ext2fs_llseek() function should now work even with i386 ELF shared libraries and if llseek() is not present. We also explicitly do a configure test to see if (a) llseek is in libc, and (b) if llseek is declared in the system header files. (See standard complaints about libc developers don't understand the concept of compatibility with previous versions of libc.)

The ext2fs library now writes out the block group number in each of the superblock copies. This makes it easier to automatically determine the starting block group of the filesystem when the block group information is trashed.

Added support for the EXT2_FEATURE_INCOMPAT_FILETYPE feature, which means that e2fsprogs will ignore the high 8 bits of the directory entry's name_len field, so that it can be used for other purposes.

Added support for the EXT2_FEATURE_RO_COMPAT_LARGE_FILE feature. E2fsprogs will now support filesystems with 64-bit sized files.

Added support for the EXT2_FEATURE_COMPAT_DIR_PREALLOC feature.

Added new program "e2label", contributed by Andries Brouwer. E2label provides an easy-to-use interface to modify the filesystem label.

Fixed bug so that lsattr -v works instead of producing a core dump.

Fixed a minor bug in mke2fs so that all groups with bad superblock backup blocks are printed (not just the first one).

Mke2fs will check the size of the device, and if the user specifies a filesystem size larger than the apparent size of the device it will print a warning message and ask if the user wants to proceed.

E2fsck has a new option -C, which sends completion information to the specified file descriptor. For the most part, this is intended for programs to use, although -C 0 will print a spinning character to the stdout device, which may be useful for users who want to see something happening while e2fsck goes about its business.

Fixed a bug in e2fsck which could cause a core dump when it needs to expand the /lost+found directory, and sometimes the bitmaps haven't been merged in. Also fixed a related bug where ext2fs_write_dir_block was used to write out a non-directory block. (Which would be bad on a non-Intel platform with byte swapping going on.)

Fixed bug in e2fsck where it would print a "programming error" message instead of correctly identifying where a bad block was in used when the bad block was in a non-primary superblock or block group descriptor. Also fixed a related bug when sparse superblocks are in use and there is a bad block where a superblock or block group descriptor would have been in a group that doesn't include a superblock.

Fixed a bug in e2fsck (really in libext2fs's dblist function) where if the block group descriptor table is corrupt, it was possible to try to allocate a huge array, fail, and then abort e2fsck. ext2fs_get_num_dirs() now sanity checks the block group descriptor, and substitutes reasonable values if the descriptors are obviously bogus.

If e2fsck finds a device file which has the immutable flag set and the i_blocks beyond the normal device number are non-zero, e2fsck will offer to remove it, since it's probably caused by garbage in the inode table.

When opening a filesystem, e2fsck specially checks for the EROFS error code, and prints a specific error message to the user which is more user friendly.

If the filesystem revision is too high, change the e2fsck to print that this is either because e2fsck is out of date, or because the superblock is corrupt.

E2fsck now checks for directories that have duplicate '.' and '..' entries, and fixes this corruption.

E2fsck no longer forces a sync of the filesystem (with attendant sleep calls) at all times. The ext2fs_flush() function now performs a sync only if it needed to write data blocks to disk.

Fixed a minor bug in e2fsck's pass1b's file cloning function, where certain errors would not be properly reported.

Updated and expanded a few points in the man pages which users complained weren't explicit enough.

Added special case byte-swapping code if compiling on the PowerPC, to accommodate the strange big-endian variant of the ext2 filesystem that was previously used on the PowerPC port.

Programmer's notes:

Removed C++ keywords from the ext2fs libraries so that it could be compiled with C++.

E2fsck's internal organization has now been massively reorganized so that pass*.c don't have any printf statements. Instead, all problems are reported through the fix_problem() abstraction interface. E2fsck has also been revamped so that it can be called as a library from a application.

Added new fileio primitives in libext2fs for reading and writing files on an unmounted ext2 filesystem. This interface is now used by debugfs.

Added a new libext2fs function for mapping logical block numbers of a file to a physical block number.

Added a new libext2fs function, ext2fs_alloc_block(), which allocates a block, zeros it, and updates the filesystem accounting records appropriately.

Added a new libext2fs function, ext2fs_set_bitmap_padding(), which sets the padding of the bitmap to be all one's. Used by e2fsck pass 5.

The libext2fs functions now use a set of memory allocation wrapper functions: ext2fs_get_mem, ext2fs_free_mem, and ext2fs_resize_mem, instead of malloc, free, and resize. This makes it easier for us to be ported to strange environments where malloc, et. al. aren't necessarily available.

Change the libext2fs function to return ext2-specific error codes (EXT2_DIR_EXISTS and EXT2_DB_NOT_FOUND, for example) instead of using and depending on the existence of system error codes (such as EEXIST and ENOENT).

Renamed io.h to ext2_io.h to avoid collision with other OS's header files.

Add protection against ext2_io.h and ext2fs.h being included multiple times.

The types used for memory lengths, etc. have been made more portable. In general, the code has been made 16-bit safe. Added Mark Habersack's contributed DOS disk i/o routines.

Miscellaneous portability fixes, including not depending on char's being signed.

The io_channel structure has a new element, app_data, which is initialized by the ext2fs routines to contain a copy of the filesystem handle.

ext2fs_check_directory()'s callback function may now return the error EXT2_ET_CALLBACK_NOTHANDLED if it wishes ext2fs_check_directory() to really do the checking, despite the presence of the callback function.

E2fsprogs 1.11 (June 17, 1997)

Fixed e2fsck to detect (previously ignored) conflicts between the superblock or block group descriptors and block bitmaps, inode bitmaps, and inode tables.

Fixed bug in e2fsck so that when the message printed out when a block or inode bitmap conflicts with other data, it has the correct group number.

Fixed bug in e2fsck and mke2fs where the blocksize wasn't being passed to badblocks. This meant that not all of the filesystem was being tested for bad blocks!

Fixed an array boundary overrun case which cropped up in ext2fs_badblocks_list_test when a user tried running "mke2fs -c -b 4096".

Adjusted the number of columns printed by mke2fs when displaying the superblock backups to avoid running over 80 columns when making a really big filesystem.

Fixed up the man pages for e2fsck, debugfs, badblocks, chattr, dumpe2fs, fsck, mke2fs, and tune2fs (typos and other minor grammar fixes), thanks to some suggestions from Bill Hawes (whawes@star.net).

Programmer's notes:

Fixed install rule in lib/ss so that ss_err.h is actually getting installed.

Fixed bug in ext2fs_copy_bitmap; the destination bitmap wasn't getting passed back to the caller.

Fixed bug in ext2fs_inode_scan_goto_blockgroup; it had not been setting the current inode number (which meant this function wasn't working at all).

Fixed bug in ext2fs_resize_generic_bitmap; it had not be zeroing all blocks in the bitmap when increasing the size of the bitmap.

Changed the initial number of blocks allocated by ext2fs_init_dblist() to be more realistic.

Added a new function ext2fs_allocate_group_table, which sets up the group descriptor information (and allocates inode and block bitmaps, and inode tables for a particular group). The function was created by factoring out code form ext2fs_allocate_tables().

Added a new function ext2fs_move_blocks which takes a bitmap of the blocks to be moved, and moves them to another location on the boardboard.

Make the unix_io channel's io_channel_flush implementation calls sync() to to flush the kernel buffers to disk.

Added a new function ext2fs_dblist_count returns the number of directory blocks in dblist.

E2fsprogs 1.10 (April 24, 1997)

Mke2fs once again defaults to creating revision #0 filesystems, since people were complaining about breaking compatibility with 1.2 kernels. Warning messages were added to the mke2fs and tune2fs man pages that the sparse superblock option isn't supported by most kernels yet (1.2 and 2.0 both don't support parse superblocks.)

Added new flag to mke2fs -R , which allows the user to tell mke2fs about the RAID configuration of the filesystem. Currently the only supported raid option is "stride" which specifies the width of the RAID stripe.

Fixed bug in e2fsck where pass1b would bomb out if there were any blocks marked bad in the inode table.

Fixed rare bug in mke2fs where if the user had a very unlucky number of blocks in a filesystem (probability less than .002) the resulting filesystem would be corrupt in the last block group.

Fixed bug where if e2fsck tried to allocate a block to fix a filesystem corruption problem and the filesystem had no free blocks, ext2fs_new_block() would loop forever.

The configure script now checks explicitly to see if "-static" works, since that can't be assumed to be true --- RedHat doesn't install libc-static by default.

Fixed bug in libext2's block iterator functions where under some circumstances, file with holes would cause the bcount parameter to the callback function to be incorrect. This bug didn't affect any of e2fsprogs programs, but it was discovered by Paul Mackerras, the author of the PPC boot loader.

Removed use of static variables to store the inode cache in libext2fs. This caused problems if more than one filesystem was accessed via libext2fs (static variables in libraries are generally a bad idea). Again, this didn't affect e2fsprogs programs, but it was discovered by Paul Mackerras.

Fixed minor bugs and version code drift to assure that e2fsprogs 1.10 will compile cleanly with 1.2.13 kernels (even with a.out shared libraries!)

Programmer's notes:

Added new functions to duplicate an ext2 filesystem handle, and its associated substructure. New functions: ext2fs_dup_handle(), ext2fs_copy_dblist(), ext2fs_badblocks_copy(), ext2fs_copy_bitmap(). Other structures, such as the io_channel and the inode_cache, now have a ref count so that they only get freed when they are no longer used by any filesystem handle. (These functions were added as part of the development effort for an ext2 resizer).

E2fsprogs 1.09 (April 14, 1997)

Fixed bug in mke2fs (really in lib/ext2fs/initialize.c) which was accidentally introduced in the 1.08 release. The overhead calculation was accidentally removed, which caused ext2fs_initialize() to not notice when the filesystem size needed to be adjusted down because there wasn't enough space in the last block group.

Fixed bug in version parsing library routine; it was always parsing the library version string, instead of using the passed-in string.

Clarified chattr man page.

E2fsprogs 1.08 (April 10, 1997)

E2fsck 1.07 was very slow when checking very large filesystems with a lot of files that had hard links (i.e., news spools). This was fixed by seriously revamping the icount abstraction. Added a formal test suite for the icount abstraction.

Debugfs now has a "-l" option to the "ls" command, which lists the inode number, permissions, owner, group, size, and name of the files in the directory.

Fix a bug in e2fsck where when a directory had its blocks moved to another location during the pass 1b processing, the directory block list wasn't updated, so pass 2 wouldn't check (and correct) the correct directory block.

E2fsck will now treat inodes which contain blocks which are claimed by the filesystem metadata by treating them as multiply claimed blocks. This way, the data in those blocks can be copied to a new block during the pass 1b--1d processing.

E2fsck will attempt to determine the correct superblock number and display it in the diagnostic and warning messages if possible.

Add support for a new (incompatible) feature, "sparse_super". This feature reduces the number of blocks which contain copies of backup superblocks and block group descriptors. (It is only an incompatible feature because of a bug in ext2_free_blocks.) mke2fs and tune2fs now support a new -s option; e2fsck will recognize filesystems built with this feature turned on.

E2fsck now checks the library to make sure is the correct version, using new library functions. (This helps to diagnose incorrectly installed e2fsprogs distributions.)

Dumpe2fs now prints more information; its now prints the the filesystem revision number, the filesystem sparse_super feature (if present), the block ranges for each block group, and the offset from the beginning of the block group.

Mke2fs now distributes the inode and block bitmap blok so that the won't be concentrated in one or two disks in RAID/striping setups. Also, if the user chooses a 2k or 4k block group, mke2fs will try to choose the largest blocks per group that be chosen. (For 2k blocks, you can have up to 16384 blocks/group; for 4k blocks, you can have up to 32768 blocks/group.) Previously mke2fs would not allow specification of more than 8192 blocks per group, even if you were using a 2k or 4k block group.

Programmer's notes

Added a new function ext2fs_create_icount2() which takes a "hint" argument. This hint argument presets the icount array with the list of inodes which actually need to be in the icount array. This really helps to speed up e2fsck.

Added a new function ext2fs_icount_validate() which checks the rep invariant for the icount structure. This is used mostly for testing.

The error message given when a bad inode number is passed to test_generic_bitmap to reflect EXT2FS_TEST_ERROR (instead of EXT2FS_UNMARK_ERROR).

Added a new function ext2fs_set_dir_block which sets the block of a dblist entry, given the directory inode and blockcnt.

Added a new function ext2fs_get_library_version() which returns the current library version, and ext2fs_parse_version_string() which returns a version number based on a e2fsprogs version string.

The icount functions will return EINVAL if the passed in inode number is out of bounds.

E2fsprogs 1.07 (March 14, 1997)

E2fsck is now uses much less memory when checking really large filesystems (or rather, filesystems with a large number of inodes). Previously a filesystem with 1 million inodes required 4 megabytes of memory to store inode count statistics; that storage requirement has now been reduced to roughly half a megabyte.

E2fsck can now properly deal with bad blocks appearing inside the inode table. Instead of trying to relocate the inode table (which often failed because there wasn't enough space), the inodes in the bad block are marked as in use.

E2fsck will automatically try to use the backup superblocks if the primary superblocks have a bad magic number or have missing meta-data blocks (or meta-data blocks which are out of range).

E2fsck's pass 3 has been made more efficient; most noticeable on filesystems with a very large number of directories.

Completely revamped e2fsck's system of printing problem reports. It is now table driven, to make them more easily customizable and extendable. Error messages which can be printed out during preen mode are now one line long.

Fixed e2fsck's filesystem swapping code so that it won't try to swap fast symbolic links or deleted files.

Fixed e2fsck core dumping when fixing a filesystem which has no directories (not even a root directory).

Added a check to e2fsck to make sure that the length of every directory entry is a multiple of 4 (since the kernel complains if it isn't).

Added a check to e2fsck to make sure that a directory entry isn't a link to the root directory, since that isn't allowed.

Added a check to e2fsck to now make sure the '.' and '..' directory entries are null terminated, since the 2.0 kernel requires it.

Added check to write_bitmaps() to make sure the superblock doesn't get trashed if the inode or block bitmap is marked as being block zero.

Added checking of the new feature set fields in the superblock, to avoid dealing with new filesystem features that this package wasn't set up to handle.

Fixed a fencepost error in ext2fs_new_block() which would occasionally try to allocate a block beyond the end of a filesystem.

When the UUID library picks a random IEEE 802 address (because it can't find one from a network card), it sets the multicast bit, to avoid conflicting with a legitimate IEEE 802 address.

Mke2fs now sets the root directory's owner to be the real uid of the user running mke2fs. If the real uid is non-zero, it also sets the group ownership of the root directory to be the real group-id of the user running mke2fs.

Mke2fs now has more intelligent error checking when it is given a non-existent device.

When badblocks is given the -vv option, it now updates the block that it is currently testing on every block.

Fixed a bug in fsck where it wouldn't modify the PATH environment currently correctly if PATH wasn't already set.

Shared libraries now built with dependencies. This allows the shared library files to be used with dlopen(); it also makes the transition to libc 6 easier, since ld.so can tell which libc a particular shared library expects to use.

Programmer's notes:

Added new abstraction (defined in dblist.c) for maintaining a list of blocks which belongs to directories. This is used in e2fsck and other programs which need to iterate over all directories.

Added new functions which test to see if a contiguous range of blocks (or inodes) are available. (ext2fs_*_bitmap_range).

Added new function (ext2_inode_has_valid_blocks) which returns true if an inode has valid blocks. (moved from e2fsck code).

Added new function (ext2fs_allocate_tables) which allocates the meta-data blocks as part of initializing a filesystem. (moved from mke2fs code).

Added a new I/O manager for testing purposes. It will either allow a program to intercept I/O requests, or print debugging messages to trace the activity of a program using the I/O manager.

The badblocks_list functions now store the bad blocks in a sorted order, and use a binary search to speed up badblocks_list_test.

The inode scan function ext2fs_get_next_inode() may now return a soft error returns: MISSING_INODE_TABLE and BAD_BLOCK_IN_INODE_TABLE in those cases where part of an inode table is missing or there is a bad block in the inode table.

Added a new function (ext2fs_block_iterate2) which adds new arguments to the callback function to return a pointer (block and offset) to the reference of the block.

Added new function (ext2fs_inode_scan_goto_blockgroup) which allows an application to jump to a particular block group while doing an inode scan.

The badblocks list functions were renamed from badblocks_* to ext2fs_badblocks_*. Backwards compatibility functions are available for now, but programs should be modified to use the new interface.

Some of the library functions were reorganized into separate files to reduce the size of some programs which statically link against the ext2 library.

Put in some miscellaneous fixes for the Alpha platform.

E2fsprogs 1.06 (October 7, 1996)

Fixed serious bug in e2fsck: if the block descriptors are bad, don't smash the backup copies in ext2fs_close(). (The problem was that when e2fsck -p discovered the problem, while it was closing the filesystem and exiting, it was also blowing away the backup superblocks on the disk, which was less than friendly.) We now make it the case that we only write out the backup superblock and the back block descriptors if the filesystem is completely free from problems.

Fixed a bug in block_interate in the lib/ext2fs library which caused e2fsck to fail on GNU Hurd-created filesystems.

Add support for Linux/FT's bootloader, which actually uses EXT2_BOOT_LOADER, and sets its mode bits which caused e2fsck to want to clear the inode.

Add support for the "A" (no atime update) attribute. (Note: this attribute is not yet in production kernels.)

The test suite is not automatically run when doing a "make all" from the top level directory. Users should manually run "make check" if they wish to run the test suite.

Upon a preenhalt(), make the printed message more explicit that running e2fsck "MANUALLY" means without the -p or -a options.

In e2fsck, if a disconnected inode is zero-length, offer to clear it instead of offering to connect it to lost+found.

In e2fsck, if a filesystem was just unmounted uncleanly, and needs e2fsck to be run over it, change e2fsck to explicitly display this fact.

For dumpe2fs and e2fsck, cause the -V option to print out which version of the ext2fs library is actually getting used. (This will help detect mismatches of using a 1.06 utility with a 1.05 library, etc.)

Programmers' notes:

EXT2_SWAP_BYTES was changed to EXT2_FLAG_SWAP_BYTES, which better fits the naming convention.

In ext2fs_initialize(), make sure the description for the inode bitmap is correctly initialize.

Fixed minor type typo in ext2fs_allocate_generic_bitmap()

E2fsprogs 1.05 (September 7, 1996)

Add support for new fields in the ext2 superblock --- volume name, volume UUID, and last mounted field. Dumpe2fs displays these fields, tune2fs and mke2fs allows you to set them. E2fsck will automatically generate a UUID for those volumes that don't have them.

Put in support for e2fsck to recognize HURD specific ext2 features --- most notably, the translator block. The e2fsprogs tools will now use the creator_os field in the superblock to correctly handle different OS-specific variants of the ext2 filesystem.

E2fsck now fixes inodes which have a the deletion time set, but which have a non-zero i_link_count field by offering to clear the deletion time. Previously e2fsck assumed that the inode was deleted (per 0.3c ext2 kernel behavior) and offered to unlink the file.

If e2fsck sets the clean bit, but nothing else, set the exit code FSCK_NONDESTRUCT. After all, e2fsck did fix a filesystem error --- it set the filesystem valid bit when it was previously cleared. :-) This was needed to make the HURD fsck driver happy.

If the user refuses to attach an unattached inode, e2fsck will no longer set the inode's link count. Otherwise, the inode would end up getting marked as unused, which might cause loss of data later.

Make the message issued by e2fsck when the superblock is corrupt less confusing for users. It now mentions that another reason for the "corrupt superblock" message might be that the partition might not be an ext2 filesystem at all (it might swap, msdos filesystem, ufs, etc.)

Make the libext2 library more robust so that e2fsck won't coredump on an illegal superblock where the blocksize is zero. (f_crashdisk is the test case).

By default, create filesystems where the default checkinterval is 6 months (180 days). Linux servers can be robust enough that 20 reboots can be a long, long time.

Added configure flag --enable-old-bitops, which forces the bitops to use the old (native) bitmask operations. By default on the sparc platform, the standard ext2 bit ordering is now used.

Added a new feature to e2fsck to byte-swap filesystems; this can be used to convert old m68k filesystems to use the standard byte-order storage for the superblock, inodes, and directory blocks. This function is invoked by using the '-s' option to e2fsck.

Debugfs's "dump" command has been enhanced so that it writes out the exact size of the file so that the nulls at the end of the file are eliminated. The command also accept a new "-p" option which will attempt to preserve the ownership, permissions, and file modification/access times.

Debugfs has two new options, -f and -R. The -R option allows the user to execute a single debugfs command from the command line. The -f option allows the user to specify a "command file" containing debugfs commands which will get executed.

Dumpe2fs now pretty prints the check interval, instead of just printing the check interval as a number of seconds.

Fix bugs in debugfs: the params command when no filesystem is opened no longer causes a core dump. It is now possible to unlink a file when a pathname containing a '/' is specified.

Tune2fs has a new -C option which sets the number of times the filesystem has been mounted.

Fix the chattr '-v' option so that it actually works. Chattr was being buggy about the -v option parsing.

Programmers' notes:

The directory lib/uuid contains a set of library routines to generate DCE compatible UUIDs.

Extended ext2fs_namei() to handle symbolic links. Added new function ext2fs_nami_follow() which will follow last symbolic link in the case where the pathname points to a sym link.

The ext2fs_block_iterate function will now return the HURD translator block, if present. The new flag BLOCK_FLAG_DATA_ONLY will cause the iterator to return data blocks only. The ext2fs.h file now defines constants BLOCK_COUNT_IND, BLOCK_COUNT_DIND, BLOCK_COUNT_TIND, and BLOCK_COUNT_TRANSLATOR, which are the magic values passed in the block count field of the iterator callback function.

The test script driver now takes an optional second argument, which is the test case to be run. This allows you to run a test case without needing to run the entire test suite.

On Linux ELF systems, install the .so files in the correct places (/usr/lib). The .so files must be stored in the same directory as the .a files.

Fixed miscellaneous HURD compilation issues with header file being included in the right order.

Fixed debugfs so that it resets optind to zero, not one, since setting optind to zero is more correct.

E2fsprogs 1.04 (May 16, 1996)

First "official" (1.03 was a limited release only) to support building e2fsprogs under Linux 2.0 kernels (as well as late model 1.3 and 1.99 kernels).

This package includes a RPM specs file, that it can be built using the RedHat Package Manager.

E2fsck now prints a hint that if there are lots of incorrectly located inode bitmaps, block bitmaps, and inode table blocks, the user might want to try using e2fsck -b 8193 first, to see if that fares any better.

For ext2 filesystem written with the hurd, debugfs will now print out the translator field when printing an inode structure.

Lots of miscellaneous linking/installation cleanups:

Libraries are now linked using a relative pathname, instead of relying on -L working correct. It doesn't, in many cases, including current versions of GNU ld. This guarantees that the build tree is linking with the right libraries, instead of the ones installed in /usr/lib.

Header files, man pages, and the et/ss shell scripts are now generated using a custom substitution script, instead of relying on the configure script. This prevents needless recompilation of files; in addition, the custom substitution script is much faster.

e2fsck may now be linked dynamically, by using the --enable-dynamic-e2fsck flag to configure. This is not recommended, since it increases e2fsck's dependence on other files, but some people need to save disk space, and other critical programs on their systems were being linked dynamically anyway.

Programs such as fsck which didn't need to be linked against libext2fs (or mke2fs which didn't need to be linked against libe2p) only link against libraries they actually need. Otherwise, those programs would require the presence of libraries that otherwise could be removed from a rescue diskette.

The ss include files are now installed correctly so they can actually be used by another package.

If the profiling libraries are built, they are now installed on a "make install-libs".

E2fsprogs 1.03 (March 27, 1996)

Change the m68k bit numbering for bitmasks to match the bit numbering used by all other ext2 implementations. (This change was requested by the m68k kernel development team.)

Support (in-development) filesystem format revision which supports (among other things) dynamically sized inodes.

Fixed a bug in the ext2 library so that an intelligent error is returned if mke2fs is run with a ridiculously small number of blocks for a partition.

Fixed a bug in the ext2 library which required that the device be openable in read/write mode in order to determine its size. This caused e2fsck -n to require read/write access when it was not previously necessary.

Fixed a bug in e2fsck which caused it to occasionally fail the test suite depending on which version of the floating point library it was using.

Fixed a bug in e2fsck so that it now halts with a fatal error when certain superblock consistency checks fail. Previously it continued running e2fsck, with some potential confusing/damaging consequences.

Added new flag to fsck which allows the root to be checked in parallel with other filesystems. This is not the safest thing in the world to do, but some system administrators really wanted it.

Fixed -Wall flames in lib/ss.

E2fsprogs 1.02 (January 16, 1996)

Fix to allow e2fsprogs to be compiled on recent 1.3 (pl45+) kernels.

Change e2fsck to print statistics of how many non-contiguous files are on the system. Note that a file which is larger than 8k blocks, it is guaranteed to be non-contiguous.

In mke2fs, print a warning message if a user tries to format a whole disk (/dev/hda versus /dev/hda1). If a user really wants to format a whole disk, the -F (force) option forces mke2fs to format a whole disk as a filesystem.

Fix a bug in fsck where in some cases it might start checking partitions in the next pass before it finishes checking partitions in the current pass. This still won't cause two partitions on the same disk will be checked, so it's rarely a problem in real life.

Patch lsattr so that it won't hang when checking a named pipe.

Minor compilation fixes:

  • Fix the order of libraries that were linked in debugfs.
  • Allow the sources to be compiled with -ansi turned on.

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Theodore Ts'o
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