34 	struct ns_common	ns;  member
48 static inline struct user_namespace *get_user_ns(struct user_namespace *ns)  in get_user_ns()  argument
50 	if (ns)  in get_user_ns()
51 		atomic_inc(&ns->count);  in get_user_ns()
52 	return ns;  in get_user_ns()
57 extern void free_user_ns(struct user_namespace *ns);
59 static inline void put_user_ns(struct user_namespace *ns)  in put_user_ns()  argument
61 	if (ns && atomic_dec_and_test(&ns->count))  in put_user_ns()
62 		free_user_ns(ns);  in put_user_ns()
74 extern bool userns_may_setgroups(const struct user_namespace *ns);
77 static inline struct user_namespace *get_user_ns(struct user_namespace *ns)  in get_user_ns()  argument
95 static inline void put_user_ns(struct user_namespace *ns)  in put_user_ns()  argument
99 static inline bool userns_may_setgroups(const struct user_namespace *ns)  in userns_may_setgroups()  argument