linux/io_uring/fs.c

243 	struct io_link *lnk = io_kiocb_to_cmd(req, struct io_link);
251 	lnk->old_dfd = READ_ONCE(sqe->fd);
252 	lnk->new_dfd = READ_ONCE(sqe->len);
255 	lnk->flags = READ_ONCE(sqe->hardlink_flags);
257 	lnk->oldpath = getname_uflags(oldf, lnk->flags);
258 	if (IS_ERR(lnk->oldpath))
259 		return PTR_ERR(lnk->oldpath);
261 	lnk->newpath = getname(newf);
262 	if (IS_ERR(lnk->newpath)) {
263 		putname(lnk->oldpath);
264 		return PTR_ERR(lnk->newpath);
274 	struct io_link *lnk = io_kiocb_to_cmd(req, struct io_link);
279 	ret = do_linkat(lnk->old_dfd, lnk->oldpath, lnk->new_dfd,
280 				lnk->newpath, lnk->flags);