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fstests: generic test for fsync after removing xattrs

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This test is motivated by an fsync issue discovered in btrfs.
The issue was that the fsync log replay code did not remove xattrs that
were deleted before the inode was fsynced. The result was unexpected
and differed from xfs and ext3/4 for example.

The btrfs issue was fixed by the following linux kernel patch:

   Btrfs: remove deleted xattrs on fsync log replay

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Filipe Manana
2015-02-25 15:38:26 +11:00
committed by Dave Chinner
parent 036a163772
commit e020a49a70
3 changed files with 132 additions and 0 deletions
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tests/generic/066.out
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QA output created by 066
xattr names and values after first fsync log replay:
# file: SCRATCH_MNT/foobar
user.attr1="val1"
user.attr3="val3"
xattr names and values after second fsync log replay:
# file: SCRATCH_MNT/foobar
user.attr3="val3"