static int io_uring_cmd_prep_async(struct io_kiocb *req)
{
	size_t cmd_size;

	cmd_size = uring_cmd_pdu_size(req->ctx->flags & IORING_SETUP_SQE128);

	memcpy(req->async_data, req->uring_cmd.cmd, cmd_size);
	return 0;
}
static int io_uring_cmd_prep_async(struct io_kiocb *req)
{
	size_t cmd_size;

	cmd_size = uring_cmd_pdu_size(req->ctx->flags & IORING_SETUP_SQE128);

	memcpy(req->async_data, req->uring_cmd.cmd, cmd_size);
	return 0;
}