2247 static struct mount *__do_loopback(struct path *old_path, int recurse)  in __do_loopback()  argument
2249 	struct mount *mnt = ERR_PTR(-EINVAL), *old = real_mount(old_path->mnt);  in __do_loopback()
2254 	if (!check_mnt(old) && old_path->dentry->d_op != &ns_dentry_operations)  in __do_loopback()
2257 	if (!recurse && has_locked_children(old, old_path->dentry))  in __do_loopback()
2261 		mnt = copy_tree(old, old_path->dentry, CL_COPY_MNT_NS_FILE);  in __do_loopback()
2263 		mnt = clone_mnt(old, old_path->dentry, 0);  in __do_loopback()
2277 	struct path old_path;  in do_loopback()  local
2283 	err = kern_path(old_name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &old_path);  in do_loopback()
2288 	if (mnt_ns_loop(old_path.dentry))  in do_loopback()
2301 	mnt = __do_loopback(&old_path, recurse);  in do_loopback()
2316 	path_put(&old_path);  in do_loopback()
2598 static int do_move_mount(struct path *old_path, struct path *new_path)  in do_move_mount()  argument
2612 	old = real_mount(old_path->mnt);  in do_move_mount()
2635 	if (old_path->dentry != old_path->mnt->mnt_root)  in do_move_mount()
2639 	    d_is_dir(old_path->dentry))  in do_move_mount()
2682 	struct path old_path;  in do_move_mount_old()  local
2688 	err = kern_path(old_name, LOOKUP_FOLLOW, &old_path);  in do_move_mount_old()
2692 	err = do_move_mount(&old_path, path);  in do_move_mount_old()
2693 	path_put(&old_path);  in do_move_mount_old()