From owner-svn-src-all@freebsd.org Thu Feb 22 02:16:45 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4E1DCF19E63; Thu, 22 Feb 2018 02:16:45 +0000 (UTC) (envelope-from asomers@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id EF9F781FFB; Thu, 22 Feb 2018 02:16:44 +0000 (UTC) (envelope-from asomers@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id D041120FEC; Thu, 22 Feb 2018 02:16:44 +0000 (UTC) (envelope-from asomers@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w1M2GiC3063038; Thu, 22 Feb 2018 02:16:44 GMT (envelope-from asomers@FreeBSD.org) Received: (from asomers@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w1M2GiVw063037; Thu, 22 Feb 2018 02:16:44 GMT (envelope-from asomers@FreeBSD.org) Message-Id: <201802220216.w1M2GiVw063037@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: asomers set sender to asomers@FreeBSD.org using -f From: Alan Somers Date: Thu, 22 Feb 2018 02:16:44 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r329792 - stable/11/cddl/usr.sbin/zfsd X-SVN-Group: stable-11 X-SVN-Commit-Author: asomers X-SVN-Commit-Paths: stable/11/cddl/usr.sbin/zfsd X-SVN-Commit-Revision: 329792 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Feb 2018 02:16:45 -0000 Author: asomers Date: Thu Feb 22 02:16:44 2018 New Revision: 329792 URL: https://svnweb.freebsd.org/changeset/base/329792 Log: MFC r328605: zfsd: Don't spare a vdev that's being replaced If a zfs pool contains a replacing vdev (either created manually by "zpool replace" or by zfsd(8) via autoreplace by physical path) and then new spares get added to the pool, zfsd shouldn't use one to replace the drive that is already being replaced. That's a waste of resources that just slows down the rebuild. PR: 225547 Sponsored by: Spectra Logic Corp Modified: stable/11/cddl/usr.sbin/zfsd/case_file.cc Directory Properties: stable/11/ (props changed) Modified: stable/11/cddl/usr.sbin/zfsd/case_file.cc ============================================================================== --- stable/11/cddl/usr.sbin/zfsd/case_file.cc Thu Feb 22 02:15:45 2018 (r329791) +++ stable/11/cddl/usr.sbin/zfsd/case_file.cc Thu Feb 22 02:16:44 2018 (r329792) @@ -442,10 +442,38 @@ CaseFile::ReEvaluate(const ZfsEvent &event) return (consumed || closed); } +/* Find a Vdev containing the vdev with the given GUID */ +static nvlist_t* +find_parent(nvlist_t *pool_config, nvlist_t *config, DevdCtl::Guid child_guid) +{ + nvlist_t **vdevChildren; + int error; + unsigned ch, numChildren; + error = nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, + &vdevChildren, &numChildren); + + if (error != 0 || numChildren == 0) + return (NULL); + + for (ch = 0; ch < numChildren; ch++) { + nvlist *result; + Vdev vdev(pool_config, vdevChildren[ch]); + + if (vdev.GUID() == child_guid) + return (config); + + result = find_parent(pool_config, vdevChildren[ch], child_guid); + if (result != NULL) + return (result); + } + + return (NULL); +} + bool CaseFile::ActivateSpare() { - nvlist_t *config, *nvroot; + nvlist_t *config, *nvroot, *parent_config; nvlist_t **spares; char *devPath, *vdev_type; const char *poolname; @@ -472,6 +500,22 @@ CaseFile::ActivateSpare() { "tree for pool %s", poolname); return (false); } + + parent_config = find_parent(config, nvroot, m_vdevGUID); + if (parent_config != NULL) { + char *parent_type; + + /* + * Don't activate spares for members of a "replacing" vdev. + * They're already dealt with. Sparing them will just drag out + * the resilver process. + */ + error = nvlist_lookup_string(parent_config, + ZPOOL_CONFIG_TYPE, &parent_type); + if (error == 0 && strcmp(parent_type, VDEV_TYPE_REPLACING) == 0) + return (false); + } + nspares = 0; nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, &spares, &nspares);