90 	struct rb_node *parent = NULL;  in __insert_snap_realm()  local
94 		parent = *p;  in __insert_snap_realm()
95 		r = rb_entry(parent, struct ceph_snap_realm, node);  in __insert_snap_realm()
104 	rb_link_node(&new->node, parent, p);  in __insert_snap_realm()
198 	if (realm->parent) {  in __destroy_snap_realm()
200 		__put_snap_realm(mdsc, realm->parent);  in __destroy_snap_realm()
293 	struct ceph_snap_realm *parent;  in adjust_snap_realm_parent()  local
300 	parent = ceph_lookup_snap_realm(mdsc, parentino);  in adjust_snap_realm_parent()
301 	if (!parent) {  in adjust_snap_realm_parent()
302 		parent = ceph_create_snap_realm(mdsc, parentino);  in adjust_snap_realm_parent()
303 		if (IS_ERR(parent))  in adjust_snap_realm_parent()
304 			return PTR_ERR(parent);  in adjust_snap_realm_parent()
307 	     realm, realm->parent_ino, realm->parent, parentino, parent);  in adjust_snap_realm_parent()
308 	if (realm->parent) {  in adjust_snap_realm_parent()
310 		ceph_put_snap_realm(mdsc, realm->parent);  in adjust_snap_realm_parent()
313 	realm->parent = parent;  in adjust_snap_realm_parent()
314 	list_add(&realm->child_item, &parent->children);  in adjust_snap_realm_parent()
337 	struct ceph_snap_realm *parent = realm->parent;  in build_snap_context()  local
347 	if (parent) {  in build_snap_context()
348 		if (!parent->cached_context) {  in build_snap_context()
350 			list_add(&parent->rebuild_item, realm_queue);  in build_snap_context()
353 		num += parent->cached_context->num_snaps;  in build_snap_context()
362 	    (!parent ||  in build_snap_context()
363 	     realm->cached_context->seq >= parent->cached_context->seq)) {  in build_snap_context()
382 	if (parent) {  in build_snap_context()
387 		for (i = 0; i < parent->cached_context->num_snaps; i++)  in build_snap_context()
388 			if (parent->cached_context->snaps[i] >=  in build_snap_context()
391 					parent->cached_context->snaps[i];  in build_snap_context()
392 		if (parent->cached_context->seq > snapc->seq)  in build_snap_context()
393 			snapc->seq = parent->cached_context->seq;  in build_snap_context()
811 	err = adjust_snap_realm_parent(mdsc, realm, le64_to_cpu(ri->parent));  in ceph_update_snap_trace()
1178 	struct rb_node **p, *parent;  in ceph_get_snapid_map()  local
1219 	parent = NULL;  in ceph_get_snapid_map()
1223 		parent = *p;  in ceph_get_snapid_map()
1237 		rb_link_node(&sm->node, parent, p);  in ceph_get_snapid_map()