C++ (Cpp) rpcrdma_recv_buffer_getの例

コード例 #1

ファイル: transport.c プロジェクト: Abioy/kasan

static int
xprt_rdma_send_request(struct rpc_task *task)
{
	struct rpc_rqst *rqst = task->tk_rqstp;
	struct rpc_xprt *xprt = rqst->rq_xprt;
	struct rpcrdma_req *req = rpcr_to_rdmar(rqst);
	struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
	int rc = 0;

	if (req->rl_niovs == 0)
		rc = rpcrdma_marshal_req(rqst);
	else if (r_xprt->rx_ia.ri_memreg_strategy != RPCRDMA_ALLPHYSICAL)
		rc = rpcrdma_marshal_chunks(rqst, 0);
	if (rc < 0)
		goto failed_marshal;

	if (req->rl_reply == NULL) 		/* e.g. reconnection */
		rpcrdma_recv_buffer_get(req);

	if (req->rl_reply) {
		req->rl_reply->rr_func = rpcrdma_reply_handler;
		/* this need only be done once, but... */
		req->rl_reply->rr_xprt = xprt;
	}

	/* Must suppress retransmit to maintain credits */
	if (req->rl_connect_cookie == xprt->connect_cookie)
		goto drop_connection;
	req->rl_connect_cookie = xprt->connect_cookie;

	if (rpcrdma_ep_post(&r_xprt->rx_ia, &r_xprt->rx_ep, req))
		goto drop_connection;

	rqst->rq_xmit_bytes_sent += rqst->rq_snd_buf.len;
	rqst->rq_bytes_sent = 0;
	return 0;

failed_marshal:
	r_xprt->rx_stats.failed_marshal_count++;
	dprintk("RPC:       %s: rpcrdma_marshal_req failed, status %i\n",
		__func__, rc);
	if (rc == -EIO)
		return -EIO;
drop_connection:
	xprt_disconnect_done(xprt);
	return -ENOTCONN;	/* implies disconnect */
}

コード例 #2

ファイル: transport.c プロジェクト: 513855417/linux

static int
xprt_rdma_send_request(struct rpc_task *task)
{
	struct rpc_rqst *rqst = task->tk_rqstp;
	struct rpc_xprt *xprt = rqst->rq_xprt;
	struct rpcrdma_req *req = rpcr_to_rdmar(rqst);
	struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
	int rc = 0;

	rc = rpcrdma_marshal_req(rqst);
	if (rc < 0)
		goto failed_marshal;

	if (req->rl_reply == NULL) 		/* e.g. reconnection */
		rpcrdma_recv_buffer_get(req);

	/* Must suppress retransmit to maintain credits */
	if (req->rl_connect_cookie == xprt->connect_cookie)
		goto drop_connection;
	req->rl_connect_cookie = xprt->connect_cookie;

	if (rpcrdma_ep_post(&r_xprt->rx_ia, &r_xprt->rx_ep, req))
		goto drop_connection;

	rqst->rq_xmit_bytes_sent += rqst->rq_snd_buf.len;
	rqst->rq_bytes_sent = 0;
	return 0;

failed_marshal:
	r_xprt->rx_stats.failed_marshal_count++;
	dprintk("RPC:       %s: rpcrdma_marshal_req failed, status %i\n",
		__func__, rc);
	if (rc == -EIO)
		return -EIO;
drop_connection:
	xprt_disconnect_done(xprt);
	return -ENOTCONN;	/* implies disconnect */
}