2305 static struct mount *__do_loopback(struct path *old_path, int recurse)  in __do_loopback()  argument
2307 	struct mount *mnt = ERR_PTR(-EINVAL), *old = real_mount(old_path->mnt);  in __do_loopback()
2312 	if (!check_mnt(old) && old_path->dentry->d_op != &ns_dentry_operations)  in __do_loopback()
2315 	if (!recurse && has_locked_children(old, old_path->dentry))  in __do_loopback()
2319 		mnt = copy_tree(old, old_path->dentry, CL_COPY_MNT_NS_FILE);  in __do_loopback()
2321 		mnt = clone_mnt(old, old_path->dentry, 0);  in __do_loopback()
2335 	struct path old_path;  in do_loopback()  local
2341 	err = kern_path(old_name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &old_path);  in do_loopback()
2346 	if (mnt_ns_loop(old_path.dentry))  in do_loopback()
2359 	mnt = __do_loopback(&old_path, recurse);  in do_loopback()
2374 	path_put(&old_path);  in do_loopback()
2657 static int do_move_mount(struct path *old_path, struct path *new_path)  in do_move_mount()  argument
2671 	old = real_mount(old_path->mnt);  in do_move_mount()
2694 	if (old_path->dentry != old_path->mnt->mnt_root)  in do_move_mount()
2698 	    d_is_dir(old_path->dentry))  in do_move_mount()
2741 	struct path old_path;  in do_move_mount_old()  local
2747 	err = kern_path(old_name, LOOKUP_FOLLOW, &old_path);  in do_move_mount_old()
2751 	err = do_move_mount(&old_path, path);  in do_move_mount_old()
2752 	path_put(&old_path);  in do_move_mount_old()