CEPH_MIN_STRIPE_UNIT   18 net/ceph/ceph_fs.c 	if (!su || (su & (CEPH_MIN_STRIPE_UNIT-1)))
CEPH_MIN_STRIPE_UNIT   20 net/ceph/ceph_fs.c 	if (!os || (os & (CEPH_MIN_STRIPE_UNIT-1)))