mirror of https://github.com/vitalif/e2fsprogs
Update for 1.42.10 release
Theodore Ts'o
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<H2>Release notes for the e2fsprogs package</H2>
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<UL>
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<LI><A HREF="#1.42.10">E2fsprogs 1.42.10 (May 18, 2014)</A>
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<LI><A HREF="#1.42.9">E2fsprogs 1.42.9 (December 28, 2013)</A>
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<LI><A HREF="#1.42.8">E2fsprogs 1.42.8 (June 20, 2013)</A>
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<LI><A HREF="#1.42.7">E2fsprogs 1.42.7 (January 21, 2013)</A>
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<LI><A HREF="#1.02">E2fsprogs 1.02 (January 16, 1996)</A>
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</UL>
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<H2><A NAME="1.42.10">E2fsprogs 1.42.10 (May 18, 2014)</A></H2>
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<P>Mke2fs now creates file systems in regular files (which is very often
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used when maintaining virtual machine images) without requiring the
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user to use the force option. In addition, the mke2fs output has been
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made much less verbose and only displays information that users will
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be more likely to find useful by default.</P>
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<P>Mke2fs now will ask the user to confirm that they want to continue
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before wiping out a pre-existing file system, partition table, or LVM
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physical volume.</P>
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<P>Mke2fs now has the ability to create file systems where all the
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metadata is located at the very beginning of the device. This can be
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useful for flash devices which have SLC flash at the beginning of the
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disk, for FAT compatibility, for example. As part of this, mke2fs and
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tune2fs can control the location of the data blocks used by the
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journal inode. In addition, the new sparse_super2 feature allows for
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even fewer (anywhere from zero to two) backup superblocks.</P>
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<P>Mke2fs now uses much less CPU when allocating the blocks used for very
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large file systems.</P>
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<P>Mke2fs can now support creating a file system at an offset. This can
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be useful when creating a disk image for virtual machines (Addresses
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Debian Bug: #497984)</P>
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<P>Previously, e2fsck had a number of very serious bugs when checking a
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file system wich used the new the quota file system option (where the
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quota inodes were stored in hidden inodes) and the quota inode was
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inconsistent with the actual usage data. This problem was documented
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in https://ext4.wiki.kernel.org/index.php/Quota. These problems have
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been fixed in 1.42.10, so the quota should be safe to use with
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e2fsprogs 1.42.10.</P>
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<P>Fixed in a bug in resize2fs which could cause shrink operation fail in
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the unlikely situation when the inode table needs to be moved to a
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location before the current location.</P>
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<P>Resize2fs now has a much more accurate (and less conservative)
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estimation of how far the file system can be shrunk. This allows a
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mostly empty filesystem which is a few terabytes, to be shrunk to a
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few megabytes in a single resize2fs -M operation.</P>
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<P>E2fsck will now force a full file system check if there are any file
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system inconsistencies detected in the super block.</P>
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<P>The filefrag program will now display hte shared extent flag, which is
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used by file systems such as btrfs.</P>
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<P>If the number of inodes in the file systems is larger than the time
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that file sytem was created (as measured by the number of seconds
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since January 1, 1970) e2fsck would print a scary (but otherwise
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harmless) warning of file system corruption for each inode in the
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orphan list. This false positive has been fixed.</P>
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<P>The e4defrag program has been fixed so it will no longer refuse with
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filesystem with the 64-bit or the bigalloc feature enabled.</P>
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<P>The logsave progam will print a much less scary message which could
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lead users to believe something has gone very wrong with e2fsck exits
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with a non-zero exit status (since this is normal after e2fsck has
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automatically fixed a file system corruption during a preen
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operation). (Addresses Debian Bug: #468821)</P>
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<P>When creating a file system which is larger than 16TB, the
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resize_inode option must be disabled -- since the resize_inode simply
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doesn't support reserving metadata block numbers which is larger than
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32 bits. The mke2fs program does this automatically if the file
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system size is determined automatically. It will now also do this if
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the file size is specified explicitly.</P>
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<P>Fixed bugs associated with resize2fs and shrinking bigalloc file
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systems.</P>
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<P>The e2fsck program will no longer try to add a UUID on a mounted file
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system with checksums enabled, since this could leave the file system
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checksums broken.</P>
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<P>Tune2fs will allow the removal of an external journal from file system
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which is marked as needing the journal replayed when the force ("-f")
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option is given twice. (Addresses Debian Bug: #559301)</P>
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<P>Tune2fs will no longer support enabling sparse_super if the meta_bg
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file system feature is enabled, since it could result in data loss.
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In practice, all modern file systems have sparse_super is enabled, so
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it's not worth trying to change how tune2fs handles enabling the
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sparse_super feature.</P>
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<P>Fixed support for 1k block file systems with the meta_bg feature.</P>
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<P>When the superblock is corrupt, e2fsck can't figure out the location
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of the alternate superblock. Unfortunately, the routine that
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calculates the location of the alternate superblock uses 8193 if it
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can't figure this out, so the message printed by e2fsck always
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suggests using "e2fsck -b 8193". This message has been fixed to
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suggest both the superblock location of 8193 and and 32768.
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(Addresses Debian Bug: #719185)</P>
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<P>The lookback mount detection code that was introduced in 1.42.9 wasn't
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actually compiled in due to an autoconf oops, so it's fixed now in
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1.42.10. (Addresses Debian Bug: #497984)</P>
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<P>A bug introduced in 1.42.9 would cause debugfs to print two error
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messages if it found an error while parsing a user-supplied block
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number. This has been fixed in 1.42.10.</P>
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<P>Update Czech, Dutch, French, German, Polish, Spanish, Sweedish, and
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Vietnamese translations. (Addresses Debian Bug: #703048)</P>
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<P>Updated/fixed various man pages. (Addresses Debian Bugs: #719189,
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#719184)</P>
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<P>Fixed various Debian Packaging Issues. (Addresses Debian Bug: #718725)</P>
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<h3>Programmer's Notes</h3>
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<P>Fixed a lot of coverity, sparce gcc -Wall, and clang warnings/nits.</P>
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<P>Allow the location of pkg-config files to be specified independent of
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the libdir location via a makefile variable.</P>
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<P>Fixed parse-types.sh not to complain when cross-compiling and the
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sizes of types are different between the target architecture and the
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architecture of the build system</P>
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<P>Allow the regression test suite to work correctly on systems which do
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not have the "truncate" or "mksawp" programs.</P>
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<P>Allow e2fsck to build correctly on systems (such as Android) that do
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not have the signal.h file.</P>
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<P>E2fsprogs now has code coverage testing which can be enbled using
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"configure --enable-gcov".</P>
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<P>The libe2p.h header file can now be used included by C++ programs.</P>
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<P>The profile/config file used by e2fsck and mke2fs will interpret
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numbers with a leading 0 character to mean that they should be
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interpreted as an octal integer.</P>
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<P>The extent handling functions in libext2fs have been improved so they
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have proper rollback when there is an error splitting an extent. Also
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fix a number of bugs when punching holes in files, and fix an
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off-by-one bug when inserting an extent into an empty inode.</P>
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<P>The libext2fs library now handles the support of BLOCK_UNINIT by
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clearing the portion of block bitmap when it is loaded, instead of
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when it is used. This reduces the chances of bugs, and and simplifies
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the code. It also means that debugfs will properly show that blocks
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in uninitialized block groups as being unused when using the testb
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command.</P>
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<P>The e4defrag program will try to use fadvise64 or posix_fadvise64() if
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it is present, which allows 64-bit offsets on 32-bit systems.</P>
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<H2><A NAME="1.42.9">E2fsprogs 1.42.9 (December 28, 2013)</A></H2>
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<P>Mke2fs will detect an attempt to create a file system on a loop
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@ -28,9 +28,9 @@
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<!-- Begin actual content -->
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<IMG SRC="../images/new.gif" ALIGN=LEFT>
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<H2>Release 1.42.9 of e2fsprogs is available!</H2>
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<H2>Release 1.42.10 of e2fsprogs is available!</H2>
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<P>On December 28, 2013, version 1.42.9 of e2fsprogs was <A
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<P>On May 18, 2014, version 1.42.10 of e2fsprogs was <A
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HREF="http://e2fsprogs.sourceforge.net">announced</A>.</P>
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<H2>Ext2fs Utilities</H2>
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@ -34,14 +34,14 @@
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<A HREF="http://www.kernel.org/pub/software/scm/git/docs/gittutorial.html">here</A>.</P>
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<IMG SRC="images/new.gif" ALIGN=LEFT><H2>Release 1.42.9 of e2fsprogs is
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<IMG SRC="images/new.gif" ALIGN=LEFT><H2>Release 1.42.10 of e2fsprogs is
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available!</H2>
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<P>I am happy to announce a new release of the e2fsprogs distribution.
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All users of e2fsprogs are urged to upgrade to the 1.42.9 version as
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All users of e2fsprogs are urged to upgrade to the 1.42.10 version as
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soon as possible, which can be
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downloaded from <A HREF="http://prdownloads.sourceforge.net/e2fsprogs/e2fsprogs-1.42.9.tar.gz">sourceforge</A>
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or <A HREF="http://kernel.org/pub/linux/kernel/people/tytso/e2fsprogs/v1.42.9">kernel.org</A>.</P>
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downloaded from <A HREF="http://prdownloads.sourceforge.net/e2fsprogs/e2fsprogs-1.42.10.tar.gz">sourceforge</A>
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or <A HREF="http://kernel.org/pub/linux/kernel/people/tytso/e2fsprogs/v1.42.10">kernel.org</A>.</P>
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<P>This release contains a number of bug fixes and enhancements over
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the previous releases. For more details, see the
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