From patchwork Tue Mar 24 08:52:43 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoguang Wang X-Patchwork-Id: 6077451 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 [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4648D9F350 for ; Tue, 24 Mar 2015 09:00:10 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 46A6D2020F for ; Tue, 24 Mar 2015 09:00:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1CC24201FA for ; Tue, 24 Mar 2015 09:00:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751708AbbCXJAG (ORCPT ); Tue, 24 Mar 2015 05:00:06 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:26764 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752145AbbCXJAE (ORCPT ); Tue, 24 Mar 2015 05:00:04 -0400 X-IronPort-AV: E=Sophos;i="5.04,848,1406563200"; d="scan'208";a="88032796" Received: from localhost (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 24 Mar 2015 16:56:18 +0800 Received: from G08CNEXCHPEKD03.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id t2O8x01D028245; Tue, 24 Mar 2015 16:59:00 +0800 Received: from localhost.localdomain (10.167.226.24) by G08CNEXCHPEKD03.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.181.6; Tue, 24 Mar 2015 17:00:03 +0800 From: Xiaoguang Wang To: CC: , , , Xiaoguang Wang Subject: [PATCH, RESEND v2] fstests: add test for truncate/collapse range race Date: Tue, 24 Mar 2015 16:52:43 +0800 Message-ID: <1427187163-12307-1-git-send-email-wangxg.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.8.2.1 MIME-Version: 1.0 X-Originating-IP: [10.167.226.24] 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=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 This case tests truncate/collapse range race. If the race occurs, it will trigger a BUG_ON(). And this kernel patch has fixed this race: commit 23fffa925ea2c9a2bcb1a4453e2c542635aa3545 Author: Lukas Czerner Date: Sat Apr 12 09:56:41 2014 -0400 fs: move falloc collapse range check into the filesystem methods Signed-off-by: Xiaoguang Wang Signed-off-by: Xing Gu Reviewed-by: Lukas Czerner --- tests/generic/067 | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/067.out | 2 ++ tests/generic/group | 1 + 3 files changed, 78 insertions(+) create mode 100755 tests/generic/067 create mode 100644 tests/generic/067.out diff --git a/tests/generic/067 b/tests/generic/067 new file mode 100755 index 0000000..75d4354 --- /dev/null +++ b/tests/generic/067 @@ -0,0 +1,75 @@ +#! /bin/bash +# FS QA Test No. 067 +# +# Test truncate/collapse range race. +# And this test is also a regression test for kernel commit 23fffa9, +# fs: move falloc collapse range check into the filesystem methods +# If the race occurs, it will trigger a BUG_ON(). +# +#----------------------------------------------------------------------- +# Copyright (c) 2015 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 $tmp.* +} + +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here +_supported_os Linux +_supported_fs generic +_require_scratch +_require_xfs_io_command "fcollapse" + +_scratch_mkfs > /dev/null 2>&1 +_scratch_mount + +testfile=$SCRATCH_MNT/file.$seq +NCPUS=`$here/src/feature -o` +OUTER_LOOPS=$((10 * $NCPUS * $LOAD_FACTOR)) +INNER_LOOPS=$((50 * $NCPUS * $LOAD_FACTOR)) +# fcollapse/truncate continuously and simultaneously a same file +for ((i=1; i <= OUTER_LOOPS; i++)); do + for ((i=1; i <= INNER_LOOPS; i++)); do + $XFS_IO_PROG -f -c 'truncate 100k' \ + -c 'fcollapse 0 16k' $testfile > /dev/null 2>&1 + done & + for ((i=1; i <= INNER_LOOPS; i++)); do + $XFS_IO_PROG -f -c 'truncate 0' $testfile > /dev/null 2>&1 + done & +done +wait + +_scratch_unmount + +echo "Silence is golden" +status=0 +exit diff --git a/tests/generic/067.out b/tests/generic/067.out new file mode 100644 index 0000000..daa1545 --- /dev/null +++ b/tests/generic/067.out @@ -0,0 +1,2 @@ +QA output created by 067 +Silence is golden diff --git a/tests/generic/group b/tests/generic/group index d56d3ce..b2f0680 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -69,6 +69,7 @@ 064 auto quick prealloc 065 metadata auto quick 066 metadata auto quick +067 auto metadata stress 068 other auto freeze dangerous stress 069 rw udf auto quick 070 attr udf auto quick stress