From patchwork Tue Feb 9 01:13:22 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: 8257001 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 C06179F6DA for ; Tue, 9 Feb 2016 01:13:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B9AE320272 for ; Tue, 9 Feb 2016 01:13:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F8D0202E6 for ; Tue, 9 Feb 2016 01:13:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933074AbcBIBN2 (ORCPT ); Mon, 8 Feb 2016 20:13:28 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:32989 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932861AbcBIBN1 (ORCPT ); Mon, 8 Feb 2016 20:13:27 -0500 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u191DOGg019816 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 9 Feb 2016 01:13:24 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u191DOam015765 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Tue, 9 Feb 2016 01:13:24 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u191DOl8027861; Tue, 9 Feb 2016 01:13:24 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 08 Feb 2016 17:13:24 -0800 Subject: [PATCH 15/23] 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: Mon, 08 Feb 2016 17:13:22 -0800 Message-ID: <20160209011322.23099.43873.stgit@birch.djwong.org> In-Reply-To: <20160209011145.23099.95354.stgit@birch.djwong.org> References: <20160209011145.23099.95354.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.2 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 | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/212.out | 14 +++++++ tests/xfs/group | 1 + 3 files changed, 121 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..ccddf05 --- /dev/null +++ b/tests/xfs/212 @@ -0,0 +1,106 @@ +#! /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 "$tmp".* "$testdir" +} + +# 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" +rm -rf $testdir +mkdir $testdir + +blksz=65536 +nr=16 +bsz=2 + +free_blocks=$(stat -f -c '%a' "$testdir") +real_blksz=$(stat -f -c '%S' "$testdir") +space_needed=$(((blksz * nr * 3) * 5 / 4)) +space_avail=$((free_blocks * real_blksz)) +internal_blks=$((blksz * nr / real_blksz)) +test $space_needed -gt $space_avail && _notrun "Not enough space. $space_avail < $space_needed" + +echo "Create the original files" +"$XFS_IO_PROG" -f -c "pwrite -S 0x61 -b $((blksz * bsz)) 0 $((blksz * nr))" "$testdir/file1" >> "$seqres.full" +"$XFS_IO_PROG" -f -c "pwrite -S 0x61 -b $((blksz * bsz)) 0 $((blksz * nr))" "$testdir/file2.chk" >> "$seqres.full" +"$XFS_IO_PROG" -f -c "extsize $((blksz * bsz))" "$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 $((blksz * nr - 1)) 1" -c "fsync" "$testdir/file2" >> "$seqres.full" +"$XFS_IO_PROG" -f -c "pwrite -S 0x63 $((blksz * nr - 1)) 1" -c "fsync" "$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 "$testdir/file2.chk" | _filter_scratch + +echo "Check for damage" +umount "$SCRATCH_MNT" + +# success, all done +status=0 +exit diff --git a/tests/xfs/212.out b/tests/xfs/212.out new file mode 100644 index 0000000..24b35e2 --- /dev/null +++ b/tests/xfs/212.out @@ -0,0 +1,14 @@ +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 +Check for damage 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