XFS is changing to suit the new mount API, so add this case to make
sure the changing won't bring in regression issue on xfs mount
option parse phase, and won't change some default behaviors either.
Signed-off-by: Zorro Lang <zlang@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>