From patchwork Wed Oct 30 14:12:52 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Bo X-Patchwork-Id: 3114751 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 7BF3CBF924 for ; Wed, 30 Oct 2013 14:13:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DCA89203DF for ; Wed, 30 Oct 2013 14:13:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 21D67203DB for ; Wed, 30 Oct 2013 14:13:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754475Ab3J3ONK (ORCPT ); Wed, 30 Oct 2013 10:13:10 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:26165 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752640Ab3J3ONJ (ORCPT ); Wed, 30 Oct 2013 10:13:09 -0400 Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by aserp1040.oracle.com (Sentrion-MTA-4.3.1/Sentrion-MTA-4.3.1) with ESMTP id r9UED6d7024154 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 30 Oct 2013 14:13:06 GMT Received: from aserz7021.oracle.com (aserz7021.oracle.com [141.146.126.230]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r9UED51I009807 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 30 Oct 2013 14:13:06 GMT Received: from abhmt119.oracle.com (abhmt119.oracle.com [141.146.116.71]) by aserz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r9UED5qM028104; Wed, 30 Oct 2013 14:13:05 GMT Received: from localhost.jp.oracle.com (/10.191.2.85) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 30 Oct 2013 07:13:05 -0700 From: Liu Bo To: linux-btrfs@vger.kernel.org Cc: xfs@oss.sgi.com Subject: [PATCH v2] xfstests: add regression test for running btrfs balance and defrag concurrently Date: Wed, 30 Oct 2013 22:12:52 +0800 Message-Id: <1383142372-18852-1-git-send-email-bo.li.liu@oracle.com> X-Mailer: git-send-email 1.8.1.4 X-Source-IP: acsinet22.oracle.com [141.146.126.238] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.4 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 The test aims to trigger snapshot-aware defrag path in write endio by running balance, which is not expected and leads to a crash. Signed-off-by: Liu Bo --- v2: remove useless words as required. tests/btrfs/021 | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/021.out | 2 + tests/btrfs/group | 1 + 3 files changed, 93 insertions(+), 0 deletions(-) create mode 100755 tests/btrfs/021 create mode 100644 tests/btrfs/021.out diff --git a/tests/btrfs/021 b/tests/btrfs/021 new file mode 100755 index 0000000..23eff47 --- /dev/null +++ b/tests/btrfs/021 @@ -0,0 +1,90 @@ +#! /bin/bash +# FS QA Test No. 021 +# +# A regression test of running btrfs balance and defrag concurrently. +# +# The test aims to trigger snapshot-aware defrag path in endio by +# running balance, which is not expected and leads to a crash. +# +#----------------------------------------------------------------------- +# Copyright (c) 2013 Oracle. 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 -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here +run_test() +{ + $BTRFS_UTIL_PROG balance start $SCRATCH_MNT >> $seqres.full & + + sleep 0.5 + + find $SCRATCH_MNT -type f -print0 | xargs -0 $BTRFS_UTIL_PROG filesystem defrag -f + + sync + wait +} + +# Modify as appropriate. +_supported_fs btrfs +_supported_os Linux +_require_scratch + +rm -f $seqres.full + +_scratch_mkfs > /dev/null 2>&1 +_scratch_mount + + +for ((j=0; j<100; j++)) +do + touch $SCRATCH_MNT/padding-$j +done + +for ((j=0; j<50; j++)) +do + for i in `seq 20 -1 1` + do + dd if=/dev/zero of=$SCRATCH_MNT/foo-$j bs=4k count=1 seek=$i oflag=direct conv=notrunc 2>/dev/null; + done +done + +sync + +run_test + +# success, all done +echo "Silence is golden" +status=0 +exit diff --git a/tests/btrfs/021.out b/tests/btrfs/021.out new file mode 100644 index 0000000..09f4062 --- /dev/null +++ b/tests/btrfs/021.out @@ -0,0 +1,2 @@ +QA output created by 021 +Silence is golden diff --git a/tests/btrfs/group b/tests/btrfs/group index 1159499..410f8ed 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -23,3 +23,4 @@ 018 auto quick 019 auto quick 020 auto quick +021 auto quick