ext4: update c/mtime on truncate up
Commit 3da40c7b ("ext4: only call ext4_truncate when size <= isize") introduced a bug that c/mtime is not updated on truncate up. Fix the issue by setting c/mtime explicitly in the truncate up case. Note that ftruncate(2) is not affected, so you won't see this bug using truncate(1) and xfs_io(1). Signed-off-by: Zirong Lang <zorro.lang@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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