SUNRPC: Trace a few more generic svc_xprt events

In lieu of dprintks or tracepoints in each individual transport
implementation, introduce tracepoints in the generic part of the RPC
layer. These typically fire for connection lifetime events, so
shouldn't contribute a lot of noise.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

1 files changed, 4 insertions, 17 deletions

diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index f3b5ad2bec2f..d38be57b00ed 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -314,11 +314,8 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
 	struct svcxprt_rdma *cma_xprt;
 	int ret;
 
-	dprintk("svcrdma: Creating RDMA listener\n");
-	if ((sa->sa_family != AF_INET) && (sa->sa_family != AF_INET6)) {
-		dprintk("svcrdma: Address family %d is not supported.\n", sa->sa_family);
+	if (sa->sa_family != AF_INET && sa->sa_family != AF_INET6)
 		return ERR_PTR(-EAFNOSUPPORT);
-	}
 	cma_xprt = svc_rdma_create_xprt(serv, net);
 	if (!cma_xprt)
 		return ERR_PTR(-ENOMEM);
@@ -329,7 +326,6 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
 				   RDMA_PS_TCP, IB_QPT_RC);
 	if (IS_ERR(listen_id)) {
 		ret = PTR_ERR(listen_id);
-		dprintk("svcrdma: rdma_create_id failed = %d\n", ret);
 		goto err0;
 	}
 
@@ -338,23 +334,17 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
 	 */
 #if IS_ENABLED(CONFIG_IPV6)
 	ret = rdma_set_afonly(listen_id, 1);
-	if (ret) {
-		dprintk("svcrdma: rdma_set_afonly failed = %d\n", ret);
+	if (ret)
 		goto err1;
-	}
 #endif
 	ret = rdma_bind_addr(listen_id, sa);
-	if (ret) {
-		dprintk("svcrdma: rdma_bind_addr failed = %d\n", ret);
+	if (ret)
 		goto err1;
-	}
 	cma_xprt->sc_cm_id = listen_id;
 
 	ret = rdma_listen(listen_id, RPCRDMA_LISTEN_BACKLOG);
-	if (ret) {
-		dprintk("svcrdma: rdma_listen failed = %d\n", ret);
+	if (ret)
 		goto err1;
-	}
 
 	/*
 	 * We need to use the address from the cm_id in case the
@@ -537,7 +527,6 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
 	dprintk("    ord             : %d\n", conn_param.initiator_depth);
 #endif
 
-	trace_svcrdma_xprt_accept(&newxprt->sc_xprt);
 	return &newxprt->sc_xprt;
 
  errout:
@@ -578,8 +567,6 @@ static void __svc_rdma_free(struct work_struct *work)
 		container_of(work, struct svcxprt_rdma, sc_work);
 	struct svc_xprt *xprt = &rdma->sc_xprt;
 
-	trace_svcrdma_xprt_free(xprt);
-
 	if (rdma->sc_qp && !IS_ERR(rdma->sc_qp))
 		ib_drain_qp(rdma->sc_qp);