83 	struct ns_common	ns;  member
122 	struct user_namespace *ns;  member
132 bool setup_userns_sysctls(struct user_namespace *ns);
133 void retire_userns_sysctls(struct user_namespace *ns);
134 struct ucounts *inc_ucount(struct user_namespace *ns, kuid_t uid, enum ucount_type type);
136 struct ucounts *alloc_ucounts(struct user_namespace *ns, kuid_t uid);
152 static inline long get_userns_rlimit_max(struct user_namespace *ns, enum rlimit_type type)  in get_userns_rlimit_max()  argument
154 	return READ_ONCE(ns->rlimit_max[type]);  in get_userns_rlimit_max()
157 static inline void set_userns_rlimit_max(struct user_namespace *ns,  in set_userns_rlimit_max()  argument
160 	ns->rlimit_max[type] = max <= LONG_MAX ? max : LONG_MAX;  in set_userns_rlimit_max()
165 static inline struct user_namespace *get_user_ns(struct user_namespace *ns)  in get_user_ns()  argument
167 	if (ns)  in get_user_ns()
168 		refcount_inc(&ns->ns.count);  in get_user_ns()
169 	return ns;  in get_user_ns()
174 extern void __put_user_ns(struct user_namespace *ns);
176 static inline void put_user_ns(struct user_namespace *ns)  in put_user_ns()  argument
178 	if (ns && refcount_dec_and_test(&ns->ns.count))  in put_user_ns()
179 		__put_user_ns(ns);  in put_user_ns()
191 extern bool userns_may_setgroups(const struct user_namespace *ns);
195 struct ns_common *ns_get_owner(struct ns_common *ns);
198 static inline struct user_namespace *get_user_ns(struct user_namespace *ns)  in get_user_ns()  argument
216 static inline void put_user_ns(struct user_namespace *ns)  in put_user_ns()  argument
220 static inline bool userns_may_setgroups(const struct user_namespace *ns)  in userns_may_setgroups()  argument
236 static inline struct ns_common *ns_get_owner(struct ns_common *ns)  in ns_get_owner()  argument