From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2333C43387 for ; Wed, 19 Dec 2018 15:59:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 884F8217D9 for ; Wed, 19 Dec 2018 15:59:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="GmAte6Pe" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727973AbeLSP7n (ORCPT ); Wed, 19 Dec 2018 10:59:43 -0500 Received: from mail-io1-f66.google.com ([209.85.166.66]:39773 "EHLO mail-io1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727847AbeLSP7m (ORCPT ); Wed, 19 Dec 2018 10:59:42 -0500 Received: by mail-io1-f66.google.com with SMTP id k7so15970457iob.6; Wed, 19 Dec 2018 07:59:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:from:to:cc:date:message-id:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=ClmdLukZcnfi8TxL6ggUVllZjN7Ko5YX/IX0FD4XDKk=; b=GmAte6PeqR9/o6Mqs6ssVIFRQ2DtX+MXe/in74RZ54B8eksFG/vceE3c5B6cQEIy8j 3GzNFYQCq82COUtgzRE65KAgYY0R/KPGMRXNRlkvEwMTW0Q5hbWFlpeVfM5Ii/uK6k/R AJtgvxpGnhGwag8XvYCqgMna8vdV7P3/7b5M4lfBqIdTFuxV65af9sn1/eED6qj78XMN NEYDdf617w8u6qe478PTDdU3Z7pORKYXMr49pjM4EJ5SQ8bVoBAjl6LdZyjqugXWsgob ciHHvxwvWIUtICYLp/CjOKOWxpVxrnuw8ytG2+6ENJ1+r8QEQIXsgwNtbzpDWkIfKfPW KDnw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:from:to:cc:date:message-id :in-reply-to:references:user-agent:mime-version :content-transfer-encoding; bh=ClmdLukZcnfi8TxL6ggUVllZjN7Ko5YX/IX0FD4XDKk=; b=XnGUE/gUAAIdvstpJxYDW/I5uaDoLrR73AJL8K6ETZpnDkVwKqqPmCwFqxE9VolGv4 3y8DGkHIyg+I96LafmWauTGfcopD1StTHr0/UB9tl++X2qZiY4t4PY3r54lk8LJrbAJU DaK846Kbh+LUGbFepzOzd7tai89Gz4w4YCV5UygR1qA7SRewBb5ywRhZsf4uCGDNjRW7 /k7nfA3NcnzCx6xslI0Tn6pIaxeIkDjQPTTX5Vddk07ifF1XwlDW5fRxipBMI1x2O82Y I4r7pdVy9k70EWwdRAuLXgwAINUv7tyBuLgEoSiK4q9/UZ8H2htwrldVweCle46PTLNi R/7g== X-Gm-Message-State: AJcUukfV6LX7wJVM6Z5DbpmMzOH811t96mVbdo+o43YY0Ar4GRmsMh9r XoxEstP7tcHLlg6azmrprrg= X-Google-Smtp-Source: ALg8bN5aTRFC+B1wN90hZDxKyGo/MTOLP4Tn6pg+GOfJw0x03Zsnu2SRXjdJfN7XPsFIL6go7tRtTQ== X-Received: by 2002:a5d:9652:: with SMTP id d18mr415012ios.257.1545235180519; Wed, 19 Dec 2018 07:59:40 -0800 (PST) Received: from gateway.1015granger.net (c-68-61-232-219.hsd1.mi.comcast.net. [68.61.232.219]) by smtp.gmail.com with ESMTPSA id k64sm3836482itb.7.2018.12.19.07.59.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 19 Dec 2018 07:59:40 -0800 (PST) Received: from manet.1015granger.net (manet.1015granger.net [192.168.1.51]) by gateway.1015granger.net (8.14.7/8.14.7) with ESMTP id wBJFxdlK025807; Wed, 19 Dec 2018 15:59:39 GMT Subject: [PATCH v5 17/30] xprtrdma: Cull dprintk() call sites From: Chuck Lever To: anna.schumaker@netapp.com Cc: linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org Date: Wed, 19 Dec 2018 10:59:39 -0500 Message-ID: <20181219155939.11602.99457.stgit@manet.1015granger.net> In-Reply-To: <20181219155152.11602.18605.stgit@manet.1015granger.net> References: <20181219155152.11602.18605.stgit@manet.1015granger.net> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Clean up: Remove dprintk() call sites that report rare or impossible errors. Leave a few that display high-value low noise status information. Signed-off-by: Chuck Lever --- net/sunrpc/xprtrdma/backchannel.c | 3 --- net/sunrpc/xprtrdma/rpc_rdma.c | 17 ++++++++++------- net/sunrpc/xprtrdma/transport.c | 33 ++++----------------------------- net/sunrpc/xprtrdma/verbs.c | 34 +++++----------------------------- 4 files changed, 19 insertions(+), 68 deletions(-) diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c index aae2eb1..dea831e 100644 --- a/net/sunrpc/xprtrdma/backchannel.c +++ b/net/sunrpc/xprtrdma/backchannel.c @@ -235,9 +235,6 @@ void xprt_rdma_bc_free_rqst(struct rpc_rqst *rqst) struct rpcrdma_req *req = rpcr_to_rdmar(rqst); struct rpc_xprt *xprt = rqst->rq_xprt; - dprintk("RPC: %s: freeing rqst %p (req %p)\n", - __func__, rqst, req); - rpcrdma_recv_buffer_put(req->rl_reply); req->rl_reply = NULL; diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index 8de0b9f..5a58769 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -1186,17 +1186,20 @@ static int decode_reply_chunk(struct xdr_stream *xdr, u32 *length) p = xdr_inline_decode(xdr, 2 * sizeof(*p)); if (!p) break; - dprintk("RPC: %5u: %s: server reports version error (%u-%u)\n", - rqst->rq_task->tk_pid, __func__, - be32_to_cpup(p), be32_to_cpu(*(p + 1))); + dprintk("RPC: %s: server reports " + "version error (%u-%u), xid %08x\n", __func__, + be32_to_cpup(p), be32_to_cpu(*(p + 1)), + be32_to_cpu(rep->rr_xid)); break; case err_chunk: - dprintk("RPC: %5u: %s: server reports header decoding error\n", - rqst->rq_task->tk_pid, __func__); + dprintk("RPC: %s: server reports " + "header decoding error, xid %08x\n", __func__, + be32_to_cpu(rep->rr_xid)); break; default: - dprintk("RPC: %5u: %s: server reports unrecognized error %d\n", - rqst->rq_task->tk_pid, __func__, be32_to_cpup(p)); + dprintk("RPC: %s: server reports " + "unrecognized error %d, xid %08x\n", __func__, + be32_to_cpup(p), be32_to_cpu(rep->rr_xid)); } r_xprt->rx_stats.bad_reply_count++; diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index 89e11f9..6a57033 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -318,17 +318,12 @@ struct sockaddr *sap; int rc; - if (args->addrlen > sizeof(xprt->addr)) { - dprintk("RPC: %s: address too large\n", __func__); + if (args->addrlen > sizeof(xprt->addr)) return ERR_PTR(-EBADF); - } xprt = xprt_alloc(args->net, sizeof(struct rpcrdma_xprt), 0, 0); - if (xprt == NULL) { - dprintk("RPC: %s: couldn't allocate rpcrdma_xprt\n", - __func__); + if (!xprt) return ERR_PTR(-ENOMEM); - } /* 60 second timeout, no retries */ xprt->timeout = &xprt_rdma_default_timeout; @@ -445,8 +440,6 @@ void xprt_rdma_close(struct rpc_xprt *xprt) might_sleep(); - dprintk("RPC: %s: closing xprt %p\n", __func__, xprt); - /* Prevent marshaling and sending of new requests */ xprt_clear_connected(xprt); @@ -853,24 +846,15 @@ void xprt_rdma_print_stats(struct rpc_xprt *xprt, struct seq_file *seq) void xprt_rdma_cleanup(void) { - int rc; - - dprintk("RPCRDMA Module Removed, deregister RPC RDMA transport\n"); #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) if (sunrpc_table_header) { unregister_sysctl_table(sunrpc_table_header); sunrpc_table_header = NULL; } #endif - rc = xprt_unregister_transport(&xprt_rdma); - if (rc) - dprintk("RPC: %s: xprt_unregister returned %i\n", - __func__, rc); - rc = xprt_unregister_transport(&xprt_rdma_bc); - if (rc) - dprintk("RPC: %s: xprt_unregister(bc) returned %i\n", - __func__, rc); + xprt_unregister_transport(&xprt_rdma); + xprt_unregister_transport(&xprt_rdma_bc); } int xprt_rdma_init(void) @@ -887,15 +871,6 @@ int xprt_rdma_init(void) return rc; } - dprintk("RPCRDMA Module Init, register RPC RDMA transport\n"); - - dprintk("Defaults:\n"); - dprintk("\tSlots %d\n" - "\tMaxInlineRead %d\n\tMaxInlineWrite %d\n", - xprt_rdma_slot_table_entries, - xprt_rdma_max_inline_read, xprt_rdma_max_inline_write); - dprintk("\tPadding 0\n\tMemreg %d\n", xprt_rdma_memreg_strategy); - #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) if (!sunrpc_table_header) sunrpc_table_header = register_sysctl_table(sunrpc_table); diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 51e09ae1..85c51b8 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -309,22 +309,15 @@ static void rpcrdma_xprt_drain(struct rpcrdma_xprt *r_xprt) id = rdma_create_id(xprt->rx_xprt.xprt_net, rpcrdma_cm_event_handler, xprt, RDMA_PS_TCP, IB_QPT_RC); - if (IS_ERR(id)) { - rc = PTR_ERR(id); - dprintk("RPC: %s: rdma_create_id() failed %i\n", - __func__, rc); + if (IS_ERR(id)) return id; - } ia->ri_async_rc = -ETIMEDOUT; rc = rdma_resolve_addr(id, NULL, (struct sockaddr *)&xprt->rx_xprt.addr, RDMA_RESOLVE_TIMEOUT); - if (rc) { - dprintk("RPC: %s: rdma_resolve_addr() failed %i\n", - __func__, rc); + if (rc) goto out; - } rc = wait_for_completion_interruptible_timeout(&ia->ri_done, wtimeout); if (rc < 0) { trace_xprtrdma_conn_tout(xprt); @@ -337,11 +330,8 @@ static void rpcrdma_xprt_drain(struct rpcrdma_xprt *r_xprt) ia->ri_async_rc = -ETIMEDOUT; rc = rdma_resolve_route(id, RDMA_RESOLVE_TIMEOUT); - if (rc) { - dprintk("RPC: %s: rdma_resolve_route() failed %i\n", - __func__, rc); + if (rc) goto out; - } rc = wait_for_completion_interruptible_timeout(&ia->ri_done, wtimeout); if (rc < 0) { trace_xprtrdma_conn_tout(xprt); @@ -540,8 +530,6 @@ static void rpcrdma_xprt_drain(struct rpcrdma_xprt *r_xprt) 1, IB_POLL_WORKQUEUE); if (IS_ERR(sendcq)) { rc = PTR_ERR(sendcq); - dprintk("RPC: %s: failed to create send CQ: %i\n", - __func__, rc); goto out1; } @@ -550,8 +538,6 @@ static void rpcrdma_xprt_drain(struct rpcrdma_xprt *r_xprt) 0, IB_POLL_WORKQUEUE); if (IS_ERR(recvcq)) { rc = PTR_ERR(recvcq); - dprintk("RPC: %s: failed to create recv CQ: %i\n", - __func__, rc); goto out2; } @@ -691,11 +677,8 @@ static void rpcrdma_xprt_drain(struct rpcrdma_xprt *r_xprt) } err = rdma_create_qp(id, ia->ri_pd, &ep->rep_attr); - if (err) { - dprintk("RPC: %s: rdma_create_qp returned %d\n", - __func__, err); + if (err) goto out_destroy; - } /* Atomically replace the transport's ID and QP. */ rc = 0; @@ -726,8 +709,6 @@ static void rpcrdma_xprt_drain(struct rpcrdma_xprt *r_xprt) dprintk("RPC: %s: connecting...\n", __func__); rc = rdma_create_qp(ia->ri_id, ia->ri_pd, &ep->rep_attr); if (rc) { - dprintk("RPC: %s: rdma_create_qp failed %i\n", - __func__, rc); rc = -ENETUNREACH; goto out_noupdate; } @@ -749,11 +730,8 @@ static void rpcrdma_xprt_drain(struct rpcrdma_xprt *r_xprt) rpcrdma_post_recvs(r_xprt, true); rc = rdma_connect(ia->ri_id, &ep->rep_remote_cma); - if (rc) { - dprintk("RPC: %s: rdma_connect() failed with %i\n", - __func__, rc); + if (rc) goto out; - } wait_event_interruptible(ep->rep_connect_wait, ep->rep_connected != 0); if (ep->rep_connected <= 0) { @@ -1088,8 +1066,6 @@ struct rpcrdma_req * out_free: kfree(rep); out: - dprintk("RPC: %s: reply buffer %d alloc failed\n", - __func__, rc); return rc; }