I am happy to announce the release of e2fsprogs 1.05, aka the
Monomonac Release. All users of e2fsprogs (which means most Linux
users :-), are encouraged to upgrade to this latest version of
e2fsprogs.
The new release of e2fsprogs has a number of fixes to e2fsck that
cause it to react more gracefully to certain types of filesystem
corruption. In addition, it has a number new functionality
improvements. Most notable among the new features is the ability to
convert byte-swapped filesystems (such as those used by the 68k port),
to use the standard byte ordering for ext2 filesystems. In addition,
this release enhances the ext2 superblock so that a volume name,
volume UUID and last mount point can be stored in the superblock.
This release of e2fsprogs should also mark the first release which
should be usable without modifications by Hurd, Linux 68k and Linux
Sparc users.
For more details, see the release notes, which are included below.
This release is available in source form, as precompiled i386 ELF
binaries, and as RPM source and binary packages. (The binaries are for
i386 only, until someone wants to give me an Alpha or some other new
platform :-) It can be obtained from tsx-11.mit.edu, in the directory
/pub/linux/packages/ext2fs.
- Ted
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 robuest 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 preserve to preserve the ownernship, 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 pathame 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.
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