From patchwork Sat Dec 20 07:25:01 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xing Gu X-Patchwork-Id: 5521961 Return-Path: X-Original-To: patchwork-fstests@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 299E79F1D4 for ; Sat, 20 Dec 2014 07:28:35 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2A81D20154 for ; Sat, 20 Dec 2014 07:28:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B1FC720109 for ; Sat, 20 Dec 2014 07:28:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752788AbaLTH2c (ORCPT ); Sat, 20 Dec 2014 02:28:32 -0500 Received: from cn.fujitsu.com ([59.151.112.132]:36253 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750780AbaLTH2b (ORCPT ); Sat, 20 Dec 2014 02:28:31 -0500 X-IronPort-AV: E=Sophos;i="5.04,848,1406563200"; d="scan'208";a="45543907" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 20 Dec 2014 15:25:09 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id sBK7S33g012214; Sat, 20 Dec 2014 15:28:03 +0800 Received: from G08FNSTD121211.g08.fujitsu.local (10.167.225.24) by G08CNEXCHPEKD02.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.181.6; Sat, 20 Dec 2014 15:28:30 +0800 From: Xing Gu To: CC: , , , Xing Gu Subject: [PATCH] xfs: add test for truncate/collapse range race Date: Sat, 20 Dec 2014 15:25:01 +0800 Message-ID: <1419060301-26830-1-git-send-email-gux.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.9.3 MIME-Version: 1.0 X-Originating-IP: [10.167.225.24] Sender: fstests-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 This case tests truncate/collapse range race. If the race occurs, it will trigger BUG_ON. Signed-off-by: Xing Gu --- tests/generic/039 | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/039.out | 1 + tests/generic/group | 1 + 3 files changed, 77 insertions(+) create mode 100755 tests/generic/039 create mode 100644 tests/generic/039.out diff --git a/tests/generic/039 b/tests/generic/039 new file mode 100755 index 0000000..a09df43 --- /dev/null +++ b/tests/generic/039 @@ -0,0 +1,75 @@ +#! /bin/bash +# FS QA Test No. 039 +# +# Test truncate/collapse range race. +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Fujitsu. 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! + +_cleanup() +{ + rm -f $tmp.* +} + +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here +_supported_os Linux +_supported_fs generic +_require_scratch +_require_xfs_io_command "fcollapse" + +rm -f $seqres.full +_scratch_mkfs >>$seqres.full 2>&1 +_scratch_mount + +old_bug=`dmesg | grep -c "kernel BUG"` + +testfile=$SCRATCH_MNT/file.$seq +# fcollapse/truncate continuously and simultaneously a same file +for ((i=1; i <= 100; i++)); do + for ((i=1; i <= 1000; i++)); do + $XFS_IO_PROG -f -c 'truncate 100k' $testfile 2>> $seqres.full + $XFS_IO_PROG -f -c 'fcollapse 0 16k' $testfile 2>> $seqres.full + done & + for ((i=1; i <= 1000; i++)); do + $XFS_IO_PROG -f -c 'truncate 0' $testfile 2>> $seqres.full + done & +done + +wait + +new_bug=`dmesg | grep -c "kernel BUG"` +if [ $new_bug -ne $old_bug ]; then + _fail "kernel bug detected, check dmesg for more infomation." +fi + +status=0 +exit diff --git a/tests/generic/039.out b/tests/generic/039.out new file mode 100644 index 0000000..0cacac7 --- /dev/null +++ b/tests/generic/039.out @@ -0,0 +1 @@ +QA output created by 039 diff --git a/tests/generic/group b/tests/generic/group index 1e89848..5a3d13a 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -41,6 +41,7 @@ 036 auto aio rw stress 037 metadata auto quick 038 auto stress +039 auto metadata rw 053 acl repair auto quick 062 attr udf auto quick 068 other auto freeze dangerous stress