From patchwork Thu Feb 11 23:41:42 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Darrick J. Wong" X-Patchwork-Id: 8286371 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 9D9599F6DA for ; Thu, 11 Feb 2016 23:53:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9EE7A20268 for ; Thu, 11 Feb 2016 23:53:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8A5D420397 for ; Thu, 11 Feb 2016 23:53:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751485AbcBKXmL (ORCPT ); Thu, 11 Feb 2016 18:42:11 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:19582 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751273AbcBKXlr (ORCPT ); Thu, 11 Feb 2016 18:41:47 -0500 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u1BNfiHp024535 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 11 Feb 2016 23:41:44 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u1BNfhet027244 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Thu, 11 Feb 2016 23:41:44 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u1BNfhK2027448; Thu, 11 Feb 2016 23:41:43 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 11 Feb 2016 15:41:43 -0800 Subject: [PATCH 21/32] reflink: test xfs cow behavior when the filesystem crashes From: "Darrick J. Wong" To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 11 Feb 2016 15:41:42 -0800 Message-ID: <20160211234142.2202.57779.stgit@birch.djwong.org> In-Reply-To: <20160211233916.2202.40961.stgit@birch.djwong.org> References: <20160211233916.2202.40961.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use the extent size hint to force leftover CoW reservations then crash the filesystem to see how recovery works. Signed-off-by: Darrick J. Wong --- tests/xfs/212 | 99 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/212.out | 13 +++++++ tests/xfs/group | 1 + 3 files changed, 113 insertions(+) create mode 100755 tests/xfs/212 create mode 100644 tests/xfs/212.out -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/tests/xfs/212 b/tests/xfs/212 new file mode 100755 index 0000000..4e3bcd4 --- /dev/null +++ b/tests/xfs/212 @@ -0,0 +1,99 @@ +#! /bin/bash +# FS QA Test No. 212 +# +# Test recovery of "lost" CoW blocks after a crash: +# - Create two reflinked files. Set extsz hint on second file. +# - Dirty one byte on the second file and fsync. +# - Crash the FS to test recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_scratch_reflink +_require_cp_reflink +_require_fiemap + +rm -f $seqres.full + +echo "Format and mount" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +blksz=65536 +nr=16 +filesize=$((blksz * nr)) +bufnr=2 +bufsize=$((blksz * bufnr)) + +_require_fs_space $SCRATCH_MNT $((filesize / 1024 * 3 * 5 / 4)) + +echo "Create the original files" +$XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file1 >> $seqres.full +$XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file2.chk >> $seqres.full +$XFS_IO_PROG -f -c "extsize $bufsize" $testdir/file2 +_cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full +_scratch_remount + +echo "Compare files" +md5sum $testdir/file1 | _filter_scratch +md5sum $testdir/file2 | _filter_scratch +md5sum $testdir/file2.chk | _filter_scratch + +echo "CoW and leave leftovers" +$XFS_IO_PROG -f -c "extsize" $testdir/file2 >> $seqres.full +$XFS_IO_PROG -f -c "pwrite -S 0x63 $((filesize - 1)) 1" -c "fsync" $testdir/file2 >> $seqres.full +$XFS_IO_PROG -f -c "pwrite -S 0x63 $((filesize - 1)) 1" -c "fsync" $testdir/file2.chk >> $seqres.full +sync + +echo "Crash and recover" +$XFS_IO_PROG -x -c "shutdown" $testdir/file2 >> $seqres.full +_scratch_remount + +echo "Compare files" +md5sum $testdir/file1 | _filter_scratch +md5sum $testdir/file2 | _filter_scratch +md5sum $testdir/file2.chk | _filter_scratch + +# success, all done +status=0 +exit diff --git a/tests/xfs/212.out b/tests/xfs/212.out new file mode 100644 index 0000000..97e8425 --- /dev/null +++ b/tests/xfs/212.out @@ -0,0 +1,13 @@ +QA output created by 212 +Format and mount +Create the original files +Compare files +7202826a7791073fe2787f0c94603278 SCRATCH_MNT/test-212/file1 +7202826a7791073fe2787f0c94603278 SCRATCH_MNT/test-212/file2 +7202826a7791073fe2787f0c94603278 SCRATCH_MNT/test-212/file2.chk +CoW and leave leftovers +Crash and recover +Compare files +7202826a7791073fe2787f0c94603278 SCRATCH_MNT/test-212/file1 +83feff041c88d5c746837552399dc27d SCRATCH_MNT/test-212/file2 +83feff041c88d5c746837552399dc27d SCRATCH_MNT/test-212/file2.chk diff --git a/tests/xfs/group b/tests/xfs/group index 119e1fd..d4a0d59 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -209,6 +209,7 @@ 209 auto quick clone 210 auto quick clone 211 clone_stress +212 auto quick clone 216 log metadata auto quick 217 log metadata auto 220 auto quota quick