btrfs: only dirty the inode in btrfs_update_time if something was changed
At this point, we know that "now" and the file times may differ, and we suspect that the i_version has been flagged to be bumped. Attempt to bump the i_version, and only mark the inode dirty if that actually occurred or if one of the times was updated. Signed-off-by:Jeff Layton <jlayton@redhat.com> Acked-by:
David Sterba <dsterba@suse.com> Reviewed-by:
Liu Bo <bo.li.liu@oracle.com>
parent
d17260fd
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