64 	struct ns_common	ns;  member
93 	struct user_namespace *ns;  member
101 bool setup_userns_sysctls(struct user_namespace *ns);
102 void retire_userns_sysctls(struct user_namespace *ns);
103 struct ucounts *inc_ucount(struct user_namespace *ns, kuid_t uid, enum ucount_type type);
108 static inline struct user_namespace *get_user_ns(struct user_namespace *ns)  in get_user_ns()  argument
110 	if (ns)  in get_user_ns()
111 		atomic_inc(&ns->count);  in get_user_ns()
112 	return ns;  in get_user_ns()
117 extern void __put_user_ns(struct user_namespace *ns);
119 static inline void put_user_ns(struct user_namespace *ns)  in put_user_ns()  argument
121 	if (ns && atomic_dec_and_test(&ns->count))  in put_user_ns()
122 		__put_user_ns(ns);  in put_user_ns()
134 extern bool userns_may_setgroups(const struct user_namespace *ns);
138 struct ns_common *ns_get_owner(struct ns_common *ns);
141 static inline struct user_namespace *get_user_ns(struct user_namespace *ns)  in get_user_ns()  argument
159 static inline void put_user_ns(struct user_namespace *ns)  in put_user_ns()  argument
163 static inline bool userns_may_setgroups(const struct user_namespace *ns)  in userns_may_setgroups()  argument
179 static inline struct ns_common *ns_get_owner(struct ns_common *ns)  in ns_get_owner()  argument