From owner-svn-src-all@freebsd.org Mon Jul 30 21:59:45 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 5CA9410621FF; Mon, 30 Jul 2018 21:59:45 +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 05CF8867C4; Mon, 30 Jul 2018 21:59:45 +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 D6D6F250E; Mon, 30 Jul 2018 21:59:44 +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 w6ULxieu012088; Mon, 30 Jul 2018 21:59:44 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w6ULxi1A012086; Mon, 30 Jul 2018 21:59:44 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201807302159.w6ULxi1A012086@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 21:59:44 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org Subject: svn commit: r336942 - vendor-sys/illumos/dist/uts/common/fs/zfs X-SVN-Group: vendor-sys X-SVN-Commit-Author: mav X-SVN-Commit-Paths: vendor-sys/illumos/dist/uts/common/fs/zfs X-SVN-Commit-Revision: 336942 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: 2.1.27 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: Mon, 30 Jul 2018 21:59:45 -0000 Author: mav Date: Mon Jul 30 21:59:44 2018 New Revision: 336942 URL: https://svnweb.freebsd.org/changeset/base/336942 Log: 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: vendor-sys/illumos/dist/uts/common/fs/zfs/vdev.c vendor-sys/illumos/dist/uts/common/fs/zfs/vdev_label.c Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/vdev.c ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/vdev.c Mon Jul 30 21:29:26 2018 (r336941) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/vdev.c Mon Jul 30 21:59:44 2018 (r336942) @@ -1585,7 +1585,8 @@ 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: vendor-sys/illumos/dist/uts/common/fs/zfs/vdev_label.c ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/vdev_label.c Mon Jul 30 21:29:26 2018 (r336941) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/vdev_label.c Mon Jul 30 21:59:44 2018 (r336942) @@ -540,6 +540,7 @@ 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; @@ -565,8 +566,6 @@ 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 @@ -595,6 +594,15 @@ 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);