152 static inline struct ns_common *node_to_ns(const struct rb_node *node)  in node_to_ns()
156 	return rb_entry(node, struct ns_common, ns_tree_node.ns_node);  in node_to_ns()
159 static inline struct ns_common *node_to_ns_unified(const struct rb_node *node)  in node_to_ns_unified()
163 	return rb_entry(node, struct ns_common, ns_unified_node.ns_node);  in node_to_ns_unified()
166 static inline struct ns_common *node_to_ns_owner(const struct rb_node *node)  in node_to_ns_owner()
170 	return rb_entry(node, struct ns_common, ns_owner_node.ns_node);  in node_to_ns_owner()
197 void __ns_tree_add_raw(struct ns_common *ns, struct ns_tree_root *ns_tree)  in __ns_tree_add_raw()
219 			struct ns_common *owner = &user_ns->ns;  in __ns_tree_add_raw()
233 void __ns_tree_remove(struct ns_common *ns, struct ns_tree_root *ns_tree)  in __ns_tree_remove()
253 			struct ns_common *owner = &user_ns->ns;  in __ns_tree_remove()
265 	const struct ns_common *ns = node_to_ns(node);  in ns_find()
277 	const struct ns_common *ns = node_to_ns_unified(node);  in ns_find_unified()
310 static struct ns_common *__ns_unified_tree_lookup_rcu(u64 ns_id)  in __ns_unified_tree_lookup_rcu()
325 static struct ns_common *__ns_tree_lookup_rcu(u64 ns_id, int ns_type)  in __ns_tree_lookup_rcu()
345 struct ns_common *ns_tree_lookup_rcu(u64 ns_id, int ns_type)  in ns_tree_lookup_rcu()
365 struct ns_common *__ns_tree_adjoined_rcu(struct ns_common *ns,  in __ns_tree_adjoined_rcu()
379 	return list_entry_rcu(list, struct ns_common, ns_tree_node.ns_list_entry);  in __ns_tree_adjoined_rcu()
392 u64 __ns_tree_gen_id(struct ns_common *ns, u64 id)  in __ns_tree_gen_id()
411 	struct ns_common *first_ns;
465 static struct ns_common *lookup_ns_owner_at(u64 ns_id, struct ns_common *owner)  in lookup_ns_owner_at()
467 	struct ns_common *ret = NULL;  in lookup_ns_owner_at()
476 		struct ns_common *ns;  in lookup_ns_owner_at()
494 static struct ns_common *lookup_ns_id(u64 mnt_ns_id, int ns_type)  in lookup_ns_id()
496 	struct ns_common *ns;  in lookup_ns_id()
510 					     const struct ns_common *ns)  in ns_requested()
516 					    struct ns_common *ns)  in may_list_ns()
522 		struct ns_common *owner;  in may_list_ns()
546 static inline void ns_put(struct ns_common *ns)  in ns_put()
552 DEFINE_FREE(ns_put, struct ns_common *, if (!IS_ERR_OR_NULL(_T)) ns_put(_T))
554 static inline struct ns_common *__must_check legitimize_ns(const struct klistns *kls,  in legitimize_ns()
555 							   struct ns_common *candidate)  in legitimize_ns()
557 	struct ns_common *ns __free(ns_put) = NULL;  in legitimize_ns()
576 	struct ns_common *ns = NULL, *first_ns = NULL, *prev = NULL;  in do_listns_userns()
612 		struct ns_common *valid;  in do_listns_userns()
646 static struct ns_common *lookup_ns_id_at(u64 ns_id, int ns_type)  in lookup_ns_id_at()
648 	struct ns_common *ret = NULL;  in lookup_ns_id_at()
666 		struct ns_common *ns;  in lookup_ns_id_at()
691 static inline struct ns_common *first_ns_common(const struct list_head *head,  in first_ns_common()
695 		return list_entry_rcu(head->next, struct ns_common, ns_tree_node.ns_list_entry);  in first_ns_common()
696 	return list_entry_rcu(head->next, struct ns_common, ns_unified_node.ns_list_entry);  in first_ns_common()
699 static inline struct ns_common *next_ns_common(struct ns_common *ns,  in next_ns_common()
703 …return list_entry_rcu(ns->ns_tree_node.ns_list_entry.next, struct ns_common, ns_tree_node.ns_list_…  in next_ns_common()
704 …return list_entry_rcu(ns->ns_unified_node.ns_list_entry.next, struct ns_common, ns_unified_node.ns…  in next_ns_common()
707 static inline bool ns_common_is_head(struct ns_common *ns,  in ns_common_is_head()
720 	struct ns_common *ns, *first_ns = NULL, *prev = NULL;  in do_listns()
757 		struct ns_common *valid;  in do_listns()