111 static inline struct mnt_namespace *node_to_mnt_ns(const struct rb_node *node)  in node_to_mnt_ns()
115 	return rb_entry(node, struct mnt_namespace, mnt_ns_tree_node);  in node_to_mnt_ns()
120 	struct mnt_namespace *ns_a = node_to_mnt_ns(a);  in mnt_ns_cmp()
121 	struct mnt_namespace *ns_b = node_to_mnt_ns(b);  in mnt_ns_cmp()
142 static void mnt_ns_tree_add(struct mnt_namespace *ns)  in mnt_ns_tree_add()
162 static void mnt_ns_release(struct mnt_namespace *ns)  in mnt_ns_release()
170 DEFINE_FREE(mnt_ns_release, struct mnt_namespace *, if (_T) mnt_ns_release(_T))  in DEFINE_FREE()  argument
174 	mnt_ns_release(container_of(rcu, struct mnt_namespace, mnt_ns_rcu));  in DEFINE_FREE()
177 static void mnt_ns_tree_remove(struct mnt_namespace *ns)  in mnt_ns_tree_remove()
193 	const struct mnt_namespace *ns = node_to_mnt_ns(node);  in mnt_ns_find()
216 static struct mnt_namespace *lookup_mnt_ns(u64 mnt_ns_id)  in lookup_mnt_ns()
218 	struct mnt_namespace *ns;  in lookup_mnt_ns()
893 	struct mnt_namespace *ns = current->nsproxy->mnt_ns;  in __is_local_mountpoint()
1004 static void touch_mnt_namespace(struct mnt_namespace *ns)  in touch_mnt_namespace()
1015 static void __touch_mnt_namespace(struct mnt_namespace *ns)  in __touch_mnt_namespace()
1154 static void mnt_add_to_ns(struct mnt_namespace *ns, struct mount *mnt)  in mnt_add_to_ns()
1189 	struct mnt_namespace *n = parent->mnt_ns;  in commit_tree()
1577 static struct mount *mnt_find_id_at(struct mnt_namespace *ns, u64 mnt_id)  in mnt_find_id_at()
1601 static struct mount *mnt_find_id_at_reverse(struct mnt_namespace *ns, u64 mnt_id)  in mnt_find_id_at_reverse()
1822 		struct mnt_namespace *ns;  in umount_tree()
2107 struct ns_common *from_mnt_ns(struct mnt_namespace *mnt)  in from_mnt_ns()
2112 struct mnt_namespace *get_sequential_mnt_ns(struct mnt_namespace *mntns, bool previous)  in get_sequential_mnt_ns()
2126 		mntns = list_entry_rcu(list, struct mnt_namespace, mnt_ns_list);  in get_sequential_mnt_ns()
2153 	struct mnt_namespace *mnt_ns;  in mnt_ns_loop()
2246 static void free_mnt_ns(struct mnt_namespace *);
2247 static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *, bool);
2251 	struct mnt_namespace *ns;  in dissolve_on_fput()
2401 int count_mounts(struct mnt_namespace *ns, struct mount *mnt)  in count_mounts()
2503 	struct mnt_namespace *ns = top_mnt->mnt_ns;  in attach_recursive_mnt()
2857 	struct mnt_namespace *ns = alloc_mnt_ns(user_ns, true);  in open_detached_copy()
3326 	struct mnt_namespace *ns;  in do_move_mount()
3915 static void free_mnt_ns(struct mnt_namespace *ns)  in free_mnt_ns()
3932 static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *user_ns, bool anon)  in alloc_mnt_ns()
3934 	struct mnt_namespace *new_ns;  in alloc_mnt_ns()
3942 	new_ns = kzalloc(sizeof(struct mnt_namespace), GFP_KERNEL_ACCOUNT);  in alloc_mnt_ns()
3970 struct mnt_namespace *copy_mnt_ns(unsigned long flags, struct mnt_namespace *ns,  in copy_mnt_ns()
3973 	struct mnt_namespace *new_ns;  in copy_mnt_ns()
4055 	struct mnt_namespace *ns;  in mount_subtree()
4159 	struct mnt_namespace *ns;  in SYSCALL_DEFINE3()
4904 static struct vfsmount *lookup_mnt_in_ns(u64 id, struct mnt_namespace *ns)  in lookup_mnt_in_ns()
5080 static void statmount_mnt_ns_id(struct kstatmount *s, struct mnt_namespace *ns)  in statmount_mnt_ns_id()
5293 static int grab_requested_root(struct mnt_namespace *ns, struct path *root)  in grab_requested_root()
5327 			struct mnt_namespace *ns)  in do_statmount()
5475 static struct mnt_namespace *grab_requested_mnt_ns(const struct mnt_id_req *kreq)  in grab_requested_mnt_ns()
5477 	struct mnt_namespace *mnt_ns;  in grab_requested_mnt_ns()
5512 	struct mnt_namespace *ns __free(mnt_ns_release) = NULL;  in SYSCALL_DEFINE4()
5554 static ssize_t do_listmount(struct mnt_namespace *ns, u64 mnt_parent_id,  in do_listmount()
5620 	struct mnt_namespace *ns __free(mnt_ns_release) = NULL;  in SYSCALL_DEFINE4()
5677 	struct mnt_namespace *ns;  in init_mount_tree()
5739 void put_mnt_ns(struct mnt_namespace *ns)  in put_mnt_ns()
5814 static bool mnt_already_visible(struct mnt_namespace *ns,  in mnt_already_visible()
5881 	struct mnt_namespace *ns = current->nsproxy->mnt_ns;  in mount_too_revealing()
5939 	struct mnt_namespace *mnt_ns = to_mnt_ns(ns), *old_mnt_ns;  in mntns_install()