165 lines
6.8 KiB
Plaintext
165 lines
6.8 KiB
Plaintext
E2fsprogs 1.26 (February 3, 2002)
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=================================
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Dumpe2fs will keep going now if the bad block inode can't be read.
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(Previously it stopped with a fatal error.)
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E2fsck will now give an opportunity to run the journal even if the
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recovery flag is not set. This is the default behaviour if e2fsck is
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using a backup superblock, since the needs_recovery flag will never be
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set in the backup superblock copies.
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E2fsck now automatically finds the backup superblock/group descriptors
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even when the primary superblock is completely destroyed for 2k and 4k
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filesystems. (Previously it just guessed/assumed that we were dealing
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with a 1k filesystem in that case, and users had to manually specify
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the backup superblock number.)
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Fixed a bug in e2fsck where it dereferences a null pointer when there
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is a problem opening a filesystem in preen mode.
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E2fsck now handles external journals correctly; previously it trashed
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the external journal device if the journal needed to be replayed.
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Work around ulimit incompatibility problem caused by recent 2.4
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kernels; the unix IO module will automatically try to set any resource
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limits to be infinite on startup.
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Fixed a bug in e2fsck where it wasn't allocating a new block or inode
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bitmap if it wasn't present and the blocksize was 2k or 4k.
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(Addresses Debian Bug #116975)
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E2fsck will check and fix botched ext3 V1 to V2 superblock updates by
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clearing the new V2 fields if they do not make sense or if the ext3
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superblock is version 1 superblock.
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E2fsck will automatically relocate the ext3 journal from a visible
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file (i.e., /.journal) to an hidden inode if the filesystem has been
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opened read/write. This allows the users to add a journal while the
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filesystem is mounted, but the next time the system is rebooted, the
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journal file will disappear. This avoids problems with backups,
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stupid operators with superuser bits, etc.
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Fix a bug in fsck where it would not support a filesystem type of
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"auto" if the device was specified in terms of LABEL=xxx or UUID=xxx.
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Fsck now supports fstab entries of the form "ext3,ext2". It will also
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automatically identify reiserfs filesystems.
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The number of processes spawned by fsck can now be limited using the
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FSCK_MAX_INST environment variable.
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Fsck now searches the LVM proc hierarchy to find logical volumes which
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should be searched for UUID and label information.
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Work around a bug in 2.4.10+ kernels by trying to unset the filesize
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limit if at all possible, when opening a block device. (The filesize
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limit shouldn't be applied against writes to a block device.)
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In mke2fs and e2fsck, specifying the -c option twice will now do
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a read/write test on the disk. Update the man pages to encourage
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using the -c option, and to discouraging running badblocks separately,
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since users tend to forget to set the blocksize when running
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badblocks.
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Mke2fs now automatically clears the immutable attribute on a
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pre-existing .journal file left over from a previous failed attempt to
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add a journal to an already-mounted filesystem.
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Fixed mke2fs's exit codes to consistently indicate when the mke2fs
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operation failed.
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Mke2fs now creates the lost+found directory with permissions of 0700,
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so that files that had previously lived in protected directory are
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safe if they get dropped in lost+found and the system administrator
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doesn't deal with immediately. (Addresses Debian #bug 118443)
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Mke2fs and e2fsck (and all programs that use the
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ext2fs_check_if_mounted function) will now properly identify that a
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device is mounted, even in cases where devfs has confused things with
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multiple devices names with the same identity, or if a dim-witted
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system administrator has done something stupid like creating device
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file aliases in their home directory. Also now checks for swap devices
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by using /proc/swaps. (Addresses Debian bug #106622)
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Added a new option (-T) to tune2fs which sets the time a filesystem
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was last checked.
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Speed up e2image when creating sparse raw image files by optimizing
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away excess lseek() system calls.
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Fix support of large (> 2GB) files when used as a filesystem in
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mke2fs, tune2fs, debugfs, and findsuper.
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Debugfs's stat and icheck commands now properly deals with large (>
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2GB) files.
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Debugfs's set_super_value command now prints out the list of valid
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superblock fields which can be set using the command.
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Debugfs's rm and kill_file command now updates the superblock free block
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and inode counts, thus keeping the filesystem consistent.
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Debugfs's lsdel command now takes an optional argument which allows
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the user to only see the most recently deleted files.
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A new command (undel) was added to debugfs which automates
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undeleting a deleted inode and linking it back to a directory.
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Debugfs's ls command now takes a new option, -d, which lists
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deleted directory entries.
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Debugfs's testb, freeb, setb, and find_free_block commands now take an
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optional count argument.
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Add support for a new ext2 file attribute, EXT2_NOTAIL_FL, which will
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be used to signal that a particular inode should not be eligible for
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tail-merging --- this is needed for programs like LILO.
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The findsuper (an unreleased, uninstalled utility program) has been
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improved to add extra validity checks and to add a progress meter.
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(It is still an unsupported program; the officially supported way to
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recover from a trashed partition table is to use gpart; findsuper is
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for wizards only. :-)
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Debugfs was fixed to compile with "configure --disable-swapfs".
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Cleaned up various manual pages. (Addresses Debian bug #119624, #120171)
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Added new translation file for Turkish.
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Programmer's notes:
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-------------------
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Fix general gcc -Wall complaints.
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E2fsprogs (mostly) works with the dietlibc.
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The programming texinfo file has been expanded to include description
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of additional libext2fs functions. (Still not completely done, but a
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lot of the more important functions have been documented.)
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Added a umask structure to struct_ext2_filsys, which currently only
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modifies the behaviour of ext2fs_mkdir(), but if we add any file
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creation functions to libext2fs, we should also make sure they respect
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the umask setting.
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The build-rpm script was fixed to be a bit more safe.
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The tests' Makefile now has a way of automating test case creation
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for e2fsck, using "make testnew".
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Created a new function, ext2fs_dir_iterate2 which passes more
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information to the callback function (identical to the one used by
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ext2fs_dblist_dir_iterate). The directory iterator functions take a
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new flag, DIRENT_FLAG_INCLUDE_REMOVED, which will return deleted
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directory entries. If the directory entry is deleted, the callback
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function will be called with the entry parameter set to
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DIRENT_DELETED_FILE.
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Added new functions, ext2fs_inode_alloc_stats and
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ext2fs_block_alloc_stats, which takes updates block/inode allocation
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statistics in the bitmaps, block group descriptors, and superblock
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when inodes or blocks are allocated or deallocated.
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