#define CEPH_LOCK_IDFT 512 /* dir frag tree */
#define CEPH_LOCK_INEST 1024 /* mds internal */
#define CEPH_LOCK_IXATTR 2048
+#define CEPH_LOCK_IFLOCK 4096 /* advisory file locks */
#define CEPH_LOCK_INO 8192 /* immutable inode bits; not a lock */
/* client_session ops */