From patchwork Tue Oct 23 21:58:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Wilck X-Patchwork-Id: 10653835 X-Patchwork-Delegate: christophe.varoqui@free.fr Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9CEB213BF for ; Tue, 23 Oct 2018 22:09:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 884002A21A for ; Tue, 23 Oct 2018 22:09:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7CD0E2A2D8; Tue, 23 Oct 2018 22:09:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 14BE12A21A for ; Tue, 23 Oct 2018 22:09:19 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4328381104; Tue, 23 Oct 2018 22:09:18 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 14DD960165; Tue, 23 Oct 2018 22:09:18 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 7CD9F4CA94; Tue, 23 Oct 2018 22:09:17 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9NLxMqi012371 for ; Tue, 23 Oct 2018 17:59:22 -0400 Received: by smtp.corp.redhat.com (Postfix) id CC55275520; Tue, 23 Oct 2018 21:59:22 +0000 (UTC) Delivered-To: dm-devel@redhat.com Received: from mx1.redhat.com (ext-mx07.extmail.prod.ext.phx2.redhat.com [10.5.110.31]) by smtp.corp.redhat.com (Postfix) with ESMTPS id EEE6774A45; Tue, 23 Oct 2018 21:59:20 +0000 (UTC) Received: from smtp2.provo.novell.com (smtp2.provo.novell.com [137.65.250.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AACD4C04F4DB; Tue, 23 Oct 2018 21:59:19 +0000 (UTC) Received: from apollon.suse.de.de (prv-ext-foundry1int.gns.novell.com [137.65.251.240]) by smtp2.provo.novell.com with ESMTP (TLS encrypted); Tue, 23 Oct 2018 15:59:10 -0600 From: Martin Wilck To: Christophe Varoqui Date: Tue, 23 Oct 2018 23:58:47 +0200 Message-Id: <20181023215847.794-2-mwilck@suse.com> In-Reply-To: <20181023215847.794-1-mwilck@suse.com> References: <20181023215847.794-1-mwilck@suse.com> MIME-Version: 1.0 X-Greylist: Sender passed SPF test, Sender IP whitelisted by DNSRBL, ACL 216 matched, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Tue, 23 Oct 2018 21:59:20 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Tue, 23 Oct 2018 21:59:20 +0000 (UTC) for IP:'137.65.250.81' DOMAIN:'smtp2.provo.novell.com' HELO:'smtp2.provo.novell.com' FROM:'mwilck@suse.com' RCPT:'' X-RedHat-Spam-Score: -2.301 (RCVD_IN_DNSWL_MED, SPF_PASS) 137.65.250.81 smtp2.provo.novell.com 137.65.250.81 smtp2.provo.novell.com X-Scanned-By: MIMEDefang 2.78 on 10.5.110.31 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-loop: dm-devel@redhat.com Cc: Martin Wilck , dm-devel@redhat.com Subject: [dm-devel] [PATCH v2 11/21] multipathd: improve checker message logging X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Tue, 23 Oct 2018 22:09:18 +0000 (UTC) X-Virus-Scanned: ClamAV using ClamSMTP Don't rely on any variables being defined in LOG_MSG. If message log level is low, don't bother to fetch the message. Signed-off-by: Martin Wilck --- multipathd/main.c | 33 ++++++++++++++++++++++----------- 1 file changed, 22 insertions(+), 11 deletions(-) diff --git a/multipathd/main.c b/multipathd/main.c index bf5f12a6..904fc693 100644 --- a/multipathd/main.c +++ b/multipathd/main.c @@ -89,12 +89,22 @@ static int use_watchdog; #define FILE_NAME_SIZE 256 #define CMDSIZE 160 -#define LOG_MSG(a, b) \ -do { \ - if (pp->offline) \ - condlog(a, "%s: %s - path offline", pp->mpp->alias, pp->dev); \ - else if (strlen(b)) \ - condlog(a, "%s: %s - %s", pp->mpp->alias, pp->dev, b); \ +#define LOG_MSG(lvl, verb, pp) \ +do { \ + if (lvl <= verb) { \ + if (pp->offline) \ + condlog(lvl, "%s: %s - path offline", \ + pp->mpp->alias, pp->dev); \ + else { \ + const char *__m = \ + checker_message(&pp->checker); \ + \ + if (strlen(__m)) \ + condlog(lvl, "%s: %s - %s", \ + pp->mpp->alias, \ + pp->dev, __m); \ + } \ + } \ } while(0) struct mpath_event_param @@ -1811,7 +1821,7 @@ check_path (struct vectors * vecs, struct path * pp, int ticks) int add_active; int disable_reinstate = 0; int oldchkrstate = pp->chkrstate; - int retrigger_tries, checkint, max_checkint; + int retrigger_tries, checkint, max_checkint, verbosity; struct config *conf; int ret; @@ -1828,6 +1838,7 @@ check_path (struct vectors * vecs, struct path * pp, int ticks) retrigger_tries = conf->retrigger_tries; checkint = conf->checkint; max_checkint = conf->max_checkint; + verbosity = conf->verbosity; put_multipath_config(conf); if (!pp->mpp && pp->initialized == INIT_MISSING_UDEV) { if (pp->retriggers < retrigger_tries) { @@ -1970,7 +1981,7 @@ check_path (struct vectors * vecs, struct path * pp, int ticks) int oldstate = pp->state; pp->state = newstate; - LOG_MSG(1, checker_message(&pp->checker)); + LOG_MSG(1, verbosity, pp); /* * upon state change, reset the checkint @@ -2058,7 +2069,7 @@ check_path (struct vectors * vecs, struct path * pp, int ticks) return 0; } } else { - LOG_MSG(4, checker_message(&pp->checker)); + LOG_MSG(4, verbosity, pp); if (pp->checkint != max_checkint) { /* * double the next check delay. @@ -2088,9 +2099,9 @@ check_path (struct vectors * vecs, struct path * pp, int ticks) log_checker_err = conf->log_checker_err; put_multipath_config(conf); if (log_checker_err == LOG_CHKR_ERR_ONCE) - LOG_MSG(3, checker_message(&pp->checker)); + LOG_MSG(3, verbosity, pp); else - LOG_MSG(2, checker_message(&pp->checker)); + LOG_MSG(2, verbosity, pp); } }