64 	struct ns_common	ns;  member
83 	struct user_namespace *ns;  member
91 bool setup_userns_sysctls(struct user_namespace *ns);
92 void retire_userns_sysctls(struct user_namespace *ns);
93 struct ucounts *inc_ucount(struct user_namespace *ns, kuid_t uid, enum ucount_type type);
98 static inline struct user_namespace *get_user_ns(struct user_namespace *ns)  in get_user_ns()  argument
100 	if (ns)  in get_user_ns()
101 		atomic_inc(&ns->count);  in get_user_ns()
102 	return ns;  in get_user_ns()
107 extern void __put_user_ns(struct user_namespace *ns);
109 static inline void put_user_ns(struct user_namespace *ns)  in put_user_ns()  argument
111 	if (ns && atomic_dec_and_test(&ns->count))  in put_user_ns()
112 		__put_user_ns(ns);  in put_user_ns()
124 extern bool userns_may_setgroups(const struct user_namespace *ns);
128 struct ns_common *ns_get_owner(struct ns_common *ns);
131 static inline struct user_namespace *get_user_ns(struct user_namespace *ns)  in get_user_ns()  argument
149 static inline void put_user_ns(struct user_namespace *ns)  in put_user_ns()  argument
153 static inline bool userns_may_setgroups(const struct user_namespace *ns)  in userns_may_setgroups()  argument
169 static inline struct ns_common *ns_get_owner(struct ns_common *ns)  in ns_get_owner()  argument