static struct io_kiocb *io_put_req_find_next(struct io_kiocb *req)
{
	struct io_kiocb *nxt = NULL;

	if (refcount_dec_and_test(&req->refs)) {
		nxt = io_req_find_next(req);
		__io_free_req(req);
	}
	return nxt;
}
static struct io_kiocb *io_put_req_find_next(struct io_kiocb *req)
{
	struct io_kiocb *nxt = NULL;

	if (refcount_dec_and_test(&req->refs)) {
		nxt = io_req_find_next(req);
		__io_free_req(req);
	}
	return nxt;
}