static int io_nop_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
{
	/*
	 * If the ring is setup with CQE32, relay back addr/addr
	 */
	if (req->ctx->flags & IORING_SETUP_CQE32) {
		req->nop.extra1 = READ_ONCE(sqe->addr);
		req->nop.extra2 = READ_ONCE(sqe->addr2);
	}

	return 0;
}
static int io_nop_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
{
	 
	if (req->ctx->flags & IORING_SETUP_CQE32) {
		req->nop.extra1 = READ_ONCE(sqe->addr);
		req->nop.extra2 = READ_ONCE(sqe->addr2);
	}

	return 0;
}