100 static int mnt_alloc_id(struct mount *mnt)  in mnt_alloc_id()
117 static void mnt_free_id(struct mount *mnt)  in mnt_free_id()
132 static int mnt_alloc_group_id(struct mount *mnt)  in mnt_alloc_group_id()
151 void mnt_release_group_id(struct mount *mnt)  in mnt_release_group_id()
163 static inline void mnt_add_count(struct mount *mnt, int n)  in mnt_add_count()
177 unsigned int mnt_get_count(struct mount *mnt)  in mnt_get_count()
195 	struct mount *m = container_of(p, struct mount, mnt_umount);  in drop_mountpoint()
201 static struct mount *alloc_vfsmnt(const char *name)  in alloc_vfsmnt()
203 	struct mount *mnt = kmem_cache_zalloc(mnt_cache, GFP_KERNEL);  in alloc_vfsmnt()
284 static inline void mnt_inc_writers(struct mount *mnt)  in mnt_inc_writers()
293 static inline void mnt_dec_writers(struct mount *mnt)  in mnt_dec_writers()
302 static unsigned int mnt_get_writers(struct mount *mnt)  in mnt_get_writers()
345 	struct mount *mnt = real_mount(m);  in __mnt_want_write()
493 static int mnt_make_readonly(struct mount *mnt)  in mnt_make_readonly()
535 static void __mnt_unmake_readonly(struct mount *mnt)  in __mnt_unmake_readonly()
544 	struct mount *mnt;  in sb_prepare_remount_readonly()
578 static void free_vfsmnt(struct mount *mnt)  in free_vfsmnt()
589 	free_vfsmnt(container_of(head, struct mount, mnt_rcu));  in delayed_free_vfsmnt()
595 	struct mount *mnt;  in __legitimize_mnt()
629 struct mount *__lookup_mnt(struct vfsmount *mnt, struct dentry *dentry)  in __lookup_mnt()
632 	struct mount *p;  in __lookup_mnt()
644 struct mount *__lookup_mnt_last(struct vfsmount *mnt, struct dentry *dentry)  in __lookup_mnt_last()
646 	struct mount *p, *res = NULL;  in __lookup_mnt_last()
680 	struct mount *child_mnt;  in lookup_mnt()
712 	struct mount *mnt;  in __is_local_mountpoint()
782 static inline int check_mnt(struct mount *mnt)  in check_mnt()
812 static void unhash_mnt(struct mount *mnt)  in unhash_mnt()
826 static void detach_mnt(struct mount *mnt, struct path *old_path)  in detach_mnt()
836 static void umount_mnt(struct mount *mnt)  in umount_mnt()
846 void mnt_set_mountpoint(struct mount *mnt,  in mnt_set_mountpoint()
848 			struct mount *child_mnt)  in mnt_set_mountpoint()
861 static void attach_mnt(struct mount *mnt,  in attach_mnt()
862 			struct mount *parent,  in attach_mnt()
870 static void attach_shadowed(struct mount *mnt,  in attach_shadowed()
871 			struct mount *parent,  in attach_shadowed()
872 			struct mount *shadows)  in attach_shadowed()
887 static void commit_tree(struct mount *mnt, struct mount *shadows)  in commit_tree()
889 	struct mount *parent = mnt->mnt_parent;  in commit_tree()
890 	struct mount *m;  in commit_tree()
906 static struct mount *next_mnt(struct mount *p, struct mount *root)  in next_mnt()
919 	return list_entry(next, struct mount, mnt_child);  in next_mnt()
922 static struct mount *skip_mnt_tree(struct mount *p)  in skip_mnt_tree()
926 		p = list_entry(prev, struct mount, mnt_child);  in skip_mnt_tree()
935 	struct mount *mnt;  in vfs_kern_mount()
966 static struct mount *clone_mnt(struct mount *old, struct dentry *root,  in clone_mnt()
970 	struct mount *mnt;  in clone_mnt()
1050 static void cleanup_mnt(struct mount *mnt)  in cleanup_mnt()
1074 	cleanup_mnt(container_of(head, struct mount, mnt_rcu));  in __cleanup_mnt()
1085 		cleanup_mnt(llist_entry(node, struct mount, mnt_llist));  in delayed_mntput()
1090 static void mntput_no_expire(struct mount *mnt)  in mntput_no_expire()
1115 		struct mount *p, *tmp;  in mntput_no_expire()
1139 		struct mount *m = real_mount(mnt);  in mntput()
1158 	struct mount *p;  in mnt_clone_internal()
1265 	struct mount *r = list_entry(v, struct mount, mnt_list);  in m_show()
1287 	struct mount *mnt = real_mount(m);  in may_umount_tree()
1290 	struct mount *p;  in may_umount_tree()
1365 static bool disconnect_mount(struct mount *mnt, enum umount_tree_flags how)  in disconnect_mount()
1398 static void umount_tree(struct mount *mnt, enum umount_tree_flags how)  in umount_tree()
1401 	struct mount *p;  in umount_tree()
1423 		p = list_first_entry(&tmp_list, struct mount, mnt_list);  in umount_tree()
1448 static void shrink_submounts(struct mount *mnt);
1450 static int do_umount(struct mount *mnt, int flags)  in do_umount()
1557 	struct mount *mnt;  in __detach_mounts()
1566 		mnt = hlist_entry(mp->m_list.first, struct mount, mnt_mp_list);  in __detach_mounts()
1598 	struct mount *mnt;  in SYSCALL_DEFINE2()
1672 struct mount *copy_tree(struct mount *mnt, struct dentry *dentry,  in copy_tree()
1675 	struct mount *res, *p, *q, *r, *parent;  in copy_tree()
1691 		struct mount *s;  in copy_tree()
1696 			struct mount *t = NULL;  in copy_tree()
1721 					struct mount, mnt_child);  in copy_tree()
1743 	struct mount *tree;  in collect_mounts()
1776 	struct mount *old_mnt = real_mount(path->mnt);  in clone_private_mount()
1777 	struct mount *new_mnt;  in clone_private_mount()
1795 	struct mount *mnt;  in iterate_mounts()
1807 static void cleanup_group_ids(struct mount *mnt, struct mount *end)  in cleanup_group_ids()
1809 	struct mount *p;  in cleanup_group_ids()
1817 static int invent_group_ids(struct mount *mnt, bool recurse)  in invent_group_ids()
1819 	struct mount *p;  in invent_group_ids()
1897 static int attach_recursive_mnt(struct mount *source_mnt,  in attach_recursive_mnt()
1898 			struct mount *dest_mnt,  in attach_recursive_mnt()
1903 	struct mount *child, *p;  in attach_recursive_mnt()
1930 		struct mount *q;  in attach_recursive_mnt()
1942 		child = hlist_entry(tree_list.first, struct mount, mnt_hash);  in attach_recursive_mnt()
1990 static int graft_tree(struct mount *mnt, struct mount *p, struct mountpoint *mp)  in graft_tree()
2024 	struct mount *m;  in do_change_type()
2025 	struct mount *mnt = real_mount(path->mnt);  in do_change_type()
2054 static bool has_locked_children(struct mount *mnt, struct dentry *dentry)  in has_locked_children()
2056 	struct mount *child;  in has_locked_children()
2074 	struct mount *mnt = NULL, *old, *parent;  in do_loopback()
2160 	struct mount *mnt = real_mount(path->mnt);  in do_remount()
2223 static inline int tree_contains_unbindable(struct mount *mnt)  in tree_contains_unbindable()
2225 	struct mount *p;  in tree_contains_unbindable()
2236 	struct mount *p;  in do_move_mount()
2237 	struct mount *old;  in do_move_mount()
2329 static int do_add_mount(struct mount *newmnt, struct path *path, int mnt_flags)  in do_add_mount()
2332 	struct mount *parent;  in do_add_mount()
2426 	struct mount *mnt = real_mount(m);  in finish_automount()
2476 	struct mount *mnt, *next;  in mark_mounts_for_expiry()
2498 		mnt = list_first_entry(&graveyard, struct mount, mnt_expire);  in mark_mounts_for_expiry()
2514 static int select_submounts(struct mount *parent, struct list_head *graveyard)  in select_submounts()
2516 	struct mount *this_parent = parent;  in select_submounts()
2525 		struct mount *mnt = list_entry(tmp, struct mount, mnt_child);  in select_submounts()
2560 static void shrink_submounts(struct mount *mnt)  in shrink_submounts()
2563 	struct mount *m;  in shrink_submounts()
2568 			m = list_first_entry(&graveyard, struct mount,  in shrink_submounts()
2777 	struct mount *p, *q;  in copy_mnt_ns()
2778 	struct mount *old;  in copy_mnt_ns()
2779 	struct mount *new;  in copy_mnt_ns()
2853 		struct mount *mnt = real_mount(m);  in create_mnt_ns()
2893 SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,  in SYSCALL_DEFINE5()  argument
2932 bool is_path_reachable(struct mount *mnt, struct dentry *dentry,  in is_path_reachable()
2981 	struct mount *new_mnt, *root_mnt, *old_mnt;  in SYSCALL_DEFINE2()
3110 	mnt_cache = kmem_cache_create("mnt_cache", sizeof(struct mount),  in mnt_init()
3212 	struct mount *mnt;  in fs_fully_visible()
3220 		struct mount *child;  in fs_fully_visible()