static inline bool req_need_defer(struct io_kiocb *req)
{
	if (unlikely(req->flags & REQ_F_IO_DRAIN))
		return __req_need_defer(req);

	return false;
}
static inline bool req_need_defer(struct io_kiocb *req)
{
	if (unlikely(req->flags & REQ_F_IO_DRAIN))
		return __req_need_defer(req);

	return false;
}