From patchwork Mon Apr 2 19:50:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Wilck X-Patchwork-Id: 10320265 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.web.codeaurora.org (Postfix) with ESMTP id 989CF60532 for ; Mon, 2 Apr 2018 19:52:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8792E2896F for ; Mon, 2 Apr 2018 19:52:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7BFD228A73; Mon, 2 Apr 2018 19:52:30 +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=-6.9 required=2.0 tests=BAYES_00,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 2BD432896F for ; Mon, 2 Apr 2018 19:52:30 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 70B1B13AAA; Mon, 2 Apr 2018 19:52:28 +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 53D525D753; Mon, 2 Apr 2018 19:52:28 +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 261FD4CA99; Mon, 2 Apr 2018 19:52:28 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w32JqBZ0027174 for ; Mon, 2 Apr 2018 15:52:11 -0400 Received: by smtp.corp.redhat.com (Postfix) id C4FD65D786; Mon, 2 Apr 2018 19:52:11 +0000 (UTC) Delivered-To: dm-devel@redhat.com Received: from mx1.redhat.com (ext-mx02.extmail.prod.ext.phx2.redhat.com [10.5.110.26]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 820025D6B4; Mon, 2 Apr 2018 19:52:07 +0000 (UTC) Received: from prv3-mh.provo.novell.com (victor.provo.novell.com [137.65.250.26]) (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 9430F7E9D3; Mon, 2 Apr 2018 19:52:06 +0000 (UTC) Received: from apollon.suse.de.de (prv-ext-foundry1int.gns.novell.com [137.65.251.240]) by prv3-mh.provo.novell.com with ESMTP (TLS encrypted); Mon, 02 Apr 2018 13:51:53 -0600 From: Martin Wilck To: Christophe Varoqui , Benjamin Marzinski Date: Mon, 2 Apr 2018 21:50:37 +0200 Message-Id: <20180402195051.26854-7-mwilck@suse.com> In-Reply-To: <20180402195051.26854-1-mwilck@suse.com> References: <20180402195051.26854-1-mwilck@suse.com> X-Greylist: Sender passed SPF test, Sender IP whitelisted by DNSRBL, ACL 207 matched, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Mon, 02 Apr 2018 19:52:06 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Mon, 02 Apr 2018 19:52:06 +0000 (UTC) for IP:'137.65.250.26' DOMAIN:'victor.provo.novell.com' HELO:'prv3-mh.provo.novell.com' FROM:'mwilck@suse.com' RCPT:'' X-RedHat-Spam-Score: -2.301 (RCVD_IN_DNSWL_MED, SPF_PASS) 137.65.250.26 victor.provo.novell.com 137.65.250.26 victor.provo.novell.com X-Scanned-By: MIMEDefang 2.78 on 10.5.110.26 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-loop: dm-devel@redhat.com Cc: Julian Andres Klode , dm-devel@redhat.com, Martin Wilck Subject: [dm-devel] [PATCH v3 06/20] libmultipath: trigger path uevent only when necessary 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: , MIME-Version: 1.0 Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Mon, 02 Apr 2018 19:52:28 +0000 (UTC) X-Virus-Scanned: ClamAV using ClamSMTP Paths that are already classified as DM_MULTIPATH_DEVICE_PATH don't need to be retriggered. Reviewed-by: Benjamin Marzinski Signed-off-by: Martin Wilck --- libmultipath/configure.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/libmultipath/configure.c b/libmultipath/configure.c index 245bd11..838d145 100644 --- a/libmultipath/configure.c +++ b/libmultipath/configure.c @@ -456,8 +456,20 @@ trigger_paths_udev_change(const struct multipath *mpp) if (!pgp->paths) continue; vector_foreach_slot(pgp->paths, pp, j) { + const char *env; + if (!pp->udev) continue; + /* + * Paths that are already classified as multipath + * members don't need another uevent. + */ + env = udev_device_get_property_value( + pp->udev, "DM_MULTIPATH_DEVICE_PATH"); + if (env != NULL && !strcmp(env, "1")) + continue; + + condlog(4, "triggering change uevent for %s", pp->dev); sysfs_attr_set_value(pp->udev, "uevent", "change", strlen("change")); }