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[Bug 1365874] Re: Ubuntu 14.04 does not support ext4 metadata checksumming

 

My e2fsprogs ppa got an update :-)

* New upstream snapshot from master branch (23-02-2015)

  - libext2fs: fix potential buffer overflow in closefs()
  - e2fsck: salvage under-sized dirents by removing them
  - e2fsck: improve the inline directory detector
  - e2fsck: inspect inline dir data as two directory blocks
  - e2fsck: decrement bad count _after_ remapping a duplicate block
  - e2fsck: handle multiple *ind block collisions with critical metadata
  - e2fsck: fix message when the journal is deleted and regenerated
  - e2fsck: on read error, don't rewrite blocks past the end of the fs
  - e2fsck: clear i_block[] when there are too many bad mappings on a special inode
  - tune2fs: direct user to resize2fs for 64bit conversion
  - tune2fs: abort when trying to enable/disable metadata_csum on mounted fs
  - tune2fs: disable csum verification before resizing inode
  - resize2fs: fix regression test to not depend on ext4.ko being loaded
  - libext2fs: fix tdb.c mmap leak
  - libext2fs: strengthen i_extra_isize checks when reading/writing xattrs
  - libext2fs: avoid pointless EA block allocation
  - libext2fs: initialize i_extra_isize when writing EAs
  - debugfs: fix crash in ea_set argument handling
  - debugfs: document new commands
  - misc: fix minor testcase problems
  - Reserve the codepoints for the new INCOMPAT feature ENCRYPT
  - buildsystem: use 'chmod a-w' instead of 'chmod -w'
  - e2fsck: fix corruption of Hurd filesystems
  - e2fuzz: fix clang warning
  - Fix clang warning and a resource leak
  - e2fsck: close the progress_fd in the logfile child process
  - libext2fs: add sanity check for an invalid itable_used value in inode scan code

New bzr branch is: https://code.launchpad.net/~daniel-
mehrmann/e2fsprogs/master

** Branch linked: lp:~daniel-mehrmann/e2fsprogs/master

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https://bugs.launchpad.net/bugs/1365874

Title:
  Ubuntu 14.04 does not support ext4 metadata checksumming

Status in e2fsprogs package in Ubuntu:
  In Progress

Bug description:
  In the Trusty release notes "Metadata checksumming" is listed as one
  of the tech highlights of kernel 3.13.

  https://wiki.ubuntu.com/TrustyTahr/ReleaseNotes#New_features_in_14.04_LTS

  However, the userland tools do not support this kernel feature. To the
  best of my knowledge this will be supported in 1.43, and won't be
  backported to 1.42.

  IMHO this is very misleading. It's like a car salesperson sold you a
  sports car with an V8 engine. After you drove it home, you opened the
  hood and realized only 6 cylinders are working because 2 of the spark
  plugs were not included, and you have to buy aftermarket ones.

  <rant>BTW, I've been following the development of e2fsprogs for over a
  year. 1.43  release has been in limbo for God knows how long :(
  </rant>

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