From owner-svn-src-head@freebsd.org Mon Jul 30 22:03:30 2018 Return-Path: Delivered-To: svn-src-head@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 A1E4110624C2; Mon, 30 Jul 2018 22:03:30 +0000 (UTC) (envelope-from mav@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 48ECA86BEB; Mon, 30 Jul 2018 22:03:30 +0000 (UTC) (envelope-from mav@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 26724269E; Mon, 30 Jul 2018 22:03:30 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w6UM3U3f016735; Mon, 30 Jul 2018 22:03:30 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w6UM3TmU016733; Mon, 30 Jul 2018 22:03:29 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201807302203.w6UM3TmU016733@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Mon, 30 Jul 2018 22:03:29 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r336943 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-SVN-Group: head X-SVN-Commit-Author: mav X-SVN-Commit-Paths: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-SVN-Commit-Revision: 336943 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Jul 2018 22:03:30 -0000 Author: mav Date: Mon Jul 30 22:03:29 2018 New Revision: 336943 URL: https://svnweb.freebsd.org/changeset/base/336943 Log: MFV r336942: 9189 Add debug to vdev_label_read_config when txg check fails illumos/illumos-gate@b6bf6e1540f30bd97b8d6e2c21d95e17841e0f23 Reviewed by: George Wilson Reviewed by: Prashanth Sreenivasa Approved by: Matt Ahrens Author: Pavel Zakharov Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_label.c Directory Properties: head/sys/cddl/contrib/opensolaris/ (props changed) Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c Mon Jul 30 21:59:44 2018 (r336942) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c Mon Jul 30 22:03:29 2018 (r336943) @@ -1725,7 +1725,8 @@ vdev_validate(vdev_t *vd) if ((label = vdev_label_read_config(vd, txg)) == NULL) { vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN, VDEV_AUX_BAD_LABEL); - vdev_dbgmsg(vd, "vdev_validate: failed reading config"); + vdev_dbgmsg(vd, "vdev_validate: failed reading config for " + "txg %llu", (u_longlong_t)txg); return (0); } Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_label.c ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_label.c Mon Jul 30 21:59:44 2018 (r336942) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_label.c Mon Jul 30 22:03:29 2018 (r336943) @@ -546,6 +546,7 @@ vdev_label_read_config(vdev_t *vd, uint64_t txg) abd_t *vp_abd; zio_t *zio; uint64_t best_txg = 0; + uint64_t label_txg = 0; int error = 0; int flags = ZIO_FLAG_CONFIG_WRITER | ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE; @@ -571,8 +572,6 @@ retry: if (zio_wait(zio) == 0 && nvlist_unpack(vp->vp_nvlist, sizeof (vp->vp_nvlist), &label, 0) == 0) { - uint64_t label_txg = 0; - /* * Auxiliary vdevs won't have txg values in their * labels and newly added vdevs may not have been @@ -601,6 +600,15 @@ retry: if (config == NULL && !(flags & ZIO_FLAG_TRYHARD)) { flags |= ZIO_FLAG_TRYHARD; goto retry; + } + + /* + * We found a valid label but it didn't pass txg restrictions. + */ + if (config == NULL && label_txg != 0) { + vdev_dbgmsg(vd, "label discarded as txg is too large " + "(%llu > %llu)", (u_longlong_t)label_txg, + (u_longlong_t)txg); } abd_free(vp_abd);