static void io_iopoll_queue(struct list_head *again)
{
	struct io_kiocb *req;

	do {
		req = list_first_entry(again, struct io_kiocb, inflight_entry);
		list_del(&req->inflight_entry);
		__io_complete_rw(req, -EAGAIN, 0, NULL);
	} while (!list_empty(again));
}
static void io_iopoll_queue(struct list_head *again)
{
	struct io_kiocb *req;

	do {
		req = list_first_entry(again, struct io_kiocb, inflight_entry);
		list_del(&req->inflight_entry);
		__io_complete_rw(req, -EAGAIN, 0, NULL);
	} while (!list_empty(again));
}