99 static int mnt_alloc_id(struct mount *mnt)  in mnt_alloc_id()
109 static void mnt_free_id(struct mount *mnt)  in mnt_free_id()
117 static int mnt_alloc_group_id(struct mount *mnt)  in mnt_alloc_group_id()
130 void mnt_release_group_id(struct mount *mnt)  in mnt_release_group_id()
139 static inline void mnt_add_count(struct mount *mnt, int n)  in mnt_add_count()
153 unsigned int mnt_get_count(struct mount *mnt)  in mnt_get_count()
171 	struct mount *m = container_of(p, struct mount, mnt_umount);  in drop_mountpoint()
177 static struct mount *alloc_vfsmnt(const char *name)  in alloc_vfsmnt()
179 	struct mount *mnt = kmem_cache_zalloc(mnt_cache, GFP_KERNEL);  in alloc_vfsmnt()
258 static inline void mnt_inc_writers(struct mount *mnt)  in mnt_inc_writers()
267 static inline void mnt_dec_writers(struct mount *mnt)  in mnt_dec_writers()
276 static unsigned int mnt_get_writers(struct mount *mnt)  in mnt_get_writers()
319 	struct mount *mnt = real_mount(m);  in __mnt_want_write()
468 static int mnt_make_readonly(struct mount *mnt)  in mnt_make_readonly()
510 static void __mnt_unmake_readonly(struct mount *mnt)  in __mnt_unmake_readonly()
519 	struct mount *mnt;  in sb_prepare_remount_readonly()
553 static void free_vfsmnt(struct mount *mnt)  in free_vfsmnt()
564 	free_vfsmnt(container_of(head, struct mount, mnt_rcu));  in delayed_free_vfsmnt()
570 	struct mount *mnt;  in __legitimize_mnt()
613 struct mount *__lookup_mnt(struct vfsmount *mnt, struct dentry *dentry)  in __lookup_mnt()
616 	struct mount *p;  in __lookup_mnt()
642 	struct mount *child_mnt;  in lookup_mnt()
674 	struct mount *mnt;  in __is_local_mountpoint()
768 static inline int check_mnt(struct mount *mnt)  in check_mnt()
798 static void unhash_mnt(struct mount *mnt)  in unhash_mnt()
812 static void detach_mnt(struct mount *mnt, struct path *old_path)  in detach_mnt()
822 static void umount_mnt(struct mount *mnt)  in umount_mnt()
832 void mnt_set_mountpoint(struct mount *mnt,  in mnt_set_mountpoint()
834 			struct mount *child_mnt)  in mnt_set_mountpoint()
844 static void __attach_mnt(struct mount *mnt, struct mount *parent)  in __attach_mnt()
854 static void attach_mnt(struct mount *mnt,  in attach_mnt()
855 			struct mount *parent,  in attach_mnt()
862 void mnt_change_mountpoint(struct mount *parent, struct mountpoint *mp, struct mount *mnt)  in mnt_change_mountpoint()
866 	struct mount *old_parent = mnt->mnt_parent;  in mnt_change_mountpoint()
897 static void commit_tree(struct mount *mnt)  in commit_tree()
899 	struct mount *parent = mnt->mnt_parent;  in commit_tree()
900 	struct mount *m;  in commit_tree()
919 static struct mount *next_mnt(struct mount *p, struct mount *root)  in next_mnt()
932 	return list_entry(next, struct mount, mnt_child);  in next_mnt()
935 static struct mount *skip_mnt_tree(struct mount *p)  in skip_mnt_tree()
939 		p = list_entry(prev, struct mount, mnt_child);  in skip_mnt_tree()
948 	struct mount *mnt;  in vfs_kern_mount()
994 static struct mount *clone_mnt(struct mount *old, struct dentry *root,  in clone_mnt()
998 	struct mount *mnt;  in clone_mnt()
1081 static void cleanup_mnt(struct mount *mnt)  in cleanup_mnt()
1105 	cleanup_mnt(container_of(head, struct mount, mnt_rcu));  in __cleanup_mnt()
1112 	struct mount *m, *t;  in delayed_mntput()
1119 static void mntput_no_expire(struct mount *mnt)  in mntput_no_expire()
1159 		struct mount *p, *tmp;  in mntput_no_expire()
1183 		struct mount *m = real_mount(mnt);  in mntput()
1231 	struct mount *p;  in mnt_clone_internal()
1279 	struct mount *r = list_entry(v, struct mount, mnt_list);  in m_show()
1301 	struct mount *mnt = real_mount(m);  in may_umount_tree()
1304 	struct mount *p;  in may_umount_tree()
1379 static bool disconnect_mount(struct mount *mnt, enum umount_tree_flags how)  in disconnect_mount()
1412 static void umount_tree(struct mount *mnt, enum umount_tree_flags how)  in umount_tree()
1415 	struct mount *p;  in umount_tree()
1438 		p = list_first_entry(&tmp_list, struct mount, mnt_list);  in umount_tree()
1467 static void shrink_submounts(struct mount *mnt);
1469 static int do_umount(struct mount *mnt, int flags)  in do_umount()
1576 	struct mount *mnt;  in __detach_mounts()
1586 		mnt = hlist_entry(mp->m_list.first, struct mount, mnt_mp_list);  in __detach_mounts()
1626 	struct mount *mnt;  in ksys_umount()
1705 struct mount *copy_tree(struct mount *mnt, struct dentry *dentry,  in copy_tree()
1708 	struct mount *res, *p, *q, *r, *parent;  in copy_tree()
1724 		struct mount *s;  in copy_tree()
1768 	struct mount *tree;  in collect_mounts()
1801 	struct mount *old_mnt = real_mount(path->mnt);  in clone_private_mount()
1802 	struct mount *new_mnt;  in clone_private_mount()
1818 	struct mount *mnt;  in iterate_mounts()
1830 static void cleanup_group_ids(struct mount *mnt, struct mount *end)  in cleanup_group_ids()
1832 	struct mount *p;  in cleanup_group_ids()
1840 static int invent_group_ids(struct mount *mnt, bool recurse)  in invent_group_ids()
1842 	struct mount *p;  in invent_group_ids()
1857 int count_mounts(struct mnt_namespace *ns, struct mount *mnt)  in count_mounts()
1861 	struct mount *p;  in count_mounts()
1942 static int attach_recursive_mnt(struct mount *source_mnt,  in attach_recursive_mnt()
1943 			struct mount *dest_mnt,  in attach_recursive_mnt()
1950 	struct mount *child, *p;  in attach_recursive_mnt()
1991 		struct mount *q;  in attach_recursive_mnt()
2006 		child = hlist_entry(tree_list.first, struct mount, mnt_hash);  in attach_recursive_mnt()
2063 static int graft_tree(struct mount *mnt, struct mount *p, struct mountpoint *mp)  in graft_tree()
2097 	struct mount *m;  in do_change_type()
2098 	struct mount *mnt = real_mount(path->mnt);  in do_change_type()
2127 static bool has_locked_children(struct mount *mnt, struct dentry *dentry)  in has_locked_children()
2129 	struct mount *child;  in has_locked_children()
2147 	struct mount *mnt = NULL, *old, *parent;  in do_loopback()
2233 	struct mount *mnt = real_mount(path->mnt);  in do_remount()
2290 static inline int tree_contains_unbindable(struct mount *mnt)  in tree_contains_unbindable()
2292 	struct mount *p;  in tree_contains_unbindable()
2303 	struct mount *p;  in do_move_mount()
2304 	struct mount *old;  in do_move_mount()
2396 static int do_add_mount(struct mount *newmnt, struct path *path, int mnt_flags)  in do_add_mount()
2399 	struct mount *parent;  in do_add_mount()
2479 	struct mount *mnt = real_mount(m);  in finish_automount()
2529 	struct mount *mnt, *next;  in mark_mounts_for_expiry()
2551 		mnt = list_first_entry(&graveyard, struct mount, mnt_expire);  in mark_mounts_for_expiry()
2567 static int select_submounts(struct mount *parent, struct list_head *graveyard)  in select_submounts()
2569 	struct mount *this_parent = parent;  in select_submounts()
2578 		struct mount *mnt = list_entry(tmp, struct mount, mnt_child);  in select_submounts()
2613 static void shrink_submounts(struct mount *mnt)  in shrink_submounts()
2616 	struct mount *m;  in shrink_submounts()
2621 			m = list_first_entry(&graveyard, struct mount,  in shrink_submounts()
2862 	struct mount *p, *q;  in copy_mnt_ns()
2863 	struct mount *old;  in copy_mnt_ns()
2864 	struct mount *new;  in copy_mnt_ns()
2939 		struct mount *mnt = real_mount(m);  in create_mnt_ns()
3014 SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,  in SYSCALL_DEFINE5()  argument
3025 bool is_path_reachable(struct mount *mnt, struct dentry *dentry,  in is_path_reachable()
3074 	struct mount *new_mnt, *root_mnt, *old_mnt;  in SYSCALL_DEFINE2()
3202 	mnt_cache = kmem_cache_create("mnt_cache", sizeof(struct mount),  in mnt_init()
3299 	struct mount *mnt;  in mnt_already_visible()
3304 		struct mount *child;  in mnt_already_visible()