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Eric Biggers
44a1fbf786
Test that when the lazytime mount option is enabled, updates to atime,
mtime, and ctime get persisted in the cases when they should be.
This test currently runs on ext4, f2fs, and xfs, since it's limited to
filesystems that support the shutdown ioctl.
This test currently passes on ext4 and f2fs. On xfs, kernel
commit 1e249cb5b7fc ("fs: fix lazytime expiration handling in
__writeback_single_inode()") is needed for the test to pass, since xfs
had a bug where it didn't persist timestamps when it should have.
[Eryu: add shutdown metadata atime group]
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>