812 static void detach_mnt(struct mount *mnt, struct path *old_path)  in detach_mnt()  argument
814 	old_path->dentry = mnt->mnt_mountpoint;  in detach_mnt()
815 	old_path->mnt = &mnt->mnt_parent->mnt;  in detach_mnt()
2146 	struct path old_path;  in do_loopback()  local
2152 	err = kern_path(old_name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &old_path);  in do_loopback()
2157 	if (mnt_ns_loop(old_path.dentry))  in do_loopback()
2165 	old = real_mount(old_path.mnt);  in do_loopback()
2175 	if (!check_mnt(old) && old_path.dentry->d_op != &ns_dentry_operations)  in do_loopback()
2178 	if (!recurse && has_locked_children(old, old_path.dentry))  in do_loopback()
2182 		mnt = copy_tree(old, old_path.dentry, CL_COPY_MNT_NS_FILE);  in do_loopback()
2184 		mnt = clone_mnt(old, old_path.dentry, 0);  in do_loopback()
2202 	path_put(&old_path);  in do_loopback()
2302 	struct path old_path, parent_path;  in do_move_mount()  local
2309 	err = kern_path(old_name, LOOKUP_FOLLOW, &old_path);  in do_move_mount()
2318 	old = real_mount(old_path.mnt);  in do_move_mount()
2329 	if (old_path.dentry != old_path.mnt->mnt_root)  in do_move_mount()
2336 	      d_is_dir(old_path.dentry))  in do_move_mount()
2366 	path_put(&old_path);  in do_move_mount()