2269 static struct mount *__do_loopback(struct path *old_path, int recurse)  in __do_loopback()  argument
2271 	struct mount *mnt = ERR_PTR(-EINVAL), *old = real_mount(old_path->mnt);  in __do_loopback()
2276 	if (!check_mnt(old) && old_path->dentry->d_op != &ns_dentry_operations)  in __do_loopback()
2279 	if (!recurse && has_locked_children(old, old_path->dentry))  in __do_loopback()
2283 		mnt = copy_tree(old, old_path->dentry, CL_COPY_MNT_NS_FILE);  in __do_loopback()
2285 		mnt = clone_mnt(old, old_path->dentry, 0);  in __do_loopback()
2299 	struct path old_path;  in do_loopback()  local
2305 	err = kern_path(old_name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &old_path);  in do_loopback()
2310 	if (mnt_ns_loop(old_path.dentry))  in do_loopback()
2323 	mnt = __do_loopback(&old_path, recurse);  in do_loopback()
2338 	path_put(&old_path);  in do_loopback()
2628 static int do_move_mount(struct path *old_path, struct path *new_path)  in do_move_mount()  argument
2642 	old = real_mount(old_path->mnt);  in do_move_mount()
2665 	if (old_path->dentry != old_path->mnt->mnt_root)  in do_move_mount()
2669 	    d_is_dir(old_path->dentry))  in do_move_mount()
2712 	struct path old_path;  in do_move_mount_old()  local
2718 	err = kern_path(old_name, LOOKUP_FOLLOW, &old_path);  in do_move_mount_old()
2722 	err = do_move_mount(&old_path, path);  in do_move_mount_old()
2723 	path_put(&old_path);  in do_move_mount_old()