CEPH_FEATURE_MON_STATEFUL_SUB 211 include/linux/ceph/ceph_features.h CEPH_FEATURE_MON_STATEFUL_SUB | \ CEPH_FEATURE_MON_STATEFUL_SUB 999 net/ceph/mon_client.c !(monc->con.peer_features & CEPH_FEATURE_MON_STATEFUL_SUB)) {