From patchwork Wed Feb 20 10:42:12 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Monakhov X-Patchwork-Id: 222046 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 0801D2C007B for ; Wed, 20 Feb 2013 21:42:40 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933914Ab3BTKmi (ORCPT ); Wed, 20 Feb 2013 05:42:38 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:12515 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933677Ab3BTKmf (ORCPT ); Wed, 20 Feb 2013 05:42:35 -0500 Received: from mct-mail.qa.sw.ru ([10.29.1.112]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id r1KAgK54019560; Wed, 20 Feb 2013 14:42:21 +0400 (MSK) From: Dmitry Monakhov To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, dchinner@redhat.com, Dmitry Monakhov Subject: [PATCH 07/10] xfstest: add fallocate/truncate vs AIO/DIO stress test Date: Wed, 20 Feb 2013 14:42:12 +0400 Message-Id: <1361356935-29153-8-git-send-email-dmonakhov@openvz.org> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <1361356935-29153-1-git-send-email-dmonakhov@openvz.org> References: <1361356935-29153-1-git-send-email-dmonakhov@openvz.org> Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Run DIO, fallocate and truncate threads on a common file in parallel. If race exist old dio request may rewrite blocks after it was allocated to another file, we will catch that by verifying blocks content. this patch known to catch deadlock for ext4 http://lists.openwall.net/linux-ext4/2012/09/06/3 Signed-off-by: Dmitry Monakhov Reviewed-by: Rich Johnston --- 297 | 157 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 297.out | 5 ++ group | 1 + 3 files changed, 163 insertions(+), 0 deletions(-) create mode 100755 297 create mode 100644 297.out \ No newline at end of file diff --git a/297 b/297 new file mode 100755 index 0000000..83bc572 --- /dev/null +++ b/297 @@ -0,0 +1,157 @@ +#! /bin/bash +# FSQA Test No. 297 +# +# AIO/DIO stress test +# Run random AIO/DIO activity and fallocate/truncate simultaneously +# Test will operate on huge sparsed files so ENOSPC is expected. +# +#----------------------------------------------------------------------- +# (c) 2013 Dmitry Monakhov +# +# 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 +# +#----------------------------------------------------------------------- +# +# creator +owner=dmonakhov@openvz.org + +seq=`basename $0` +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter + +# real QA test starts here +_supported_fs generic +_supported_os Linux +_need_to_be_root +_require_scratch + +NUM_JOBS=$((4*LOAD_FACTOR)) +BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV` +FILE_SIZE=$((BLK_DEV_SIZE * 512)) + +cat >$tmp-$seq.fio <> $seq.full + run_check $FIO_PROG $tmp-$seq.fio & + pid=$! + echo "Start fallocate/truncate loop" + + for ((i=0; ; i++)) + do + for ((k=1; k <= NUM_JOBS; k++)) + do + fallocate -l $FILE_SIZE $SCRATCH_MNT/direct_aio.$k.0 \ + >> $seq.full 2>&1 + done + for ((k=1; k <= NUM_JOBS; k++)) + do + truncate -s 0 $SCRATCH_MNT/direct_aio.$k.0 + done + # Following like will check that pid is still run. + # Once fio exit we can stop fallocate/truncate loop + kill -0 $pid > /dev/null 2>&1 || break + done + wait $pid +} + +_scratch_mkfs >> $seq.full 2>&1 +_scratch_mount + +if ! _workout; then + umount $SCRATCH_DEV 2>/dev/null + exit +fi + +if ! _scratch_unmount; then + echo "failed to umount" + status=1 + exit +fi +_check_scratch_fs +status=$? +exit diff --git a/297.out b/297.out new file mode 100644 index 0000000..435fac7 --- /dev/null +++ b/297.out @@ -0,0 +1,5 @@ +QA output created by 297 + +Run fio with random aio-dio pattern + +Start fallocate/truncate loop diff --git a/group b/group index 1fb2feb..2783286 100644 --- a/group +++ b/group @@ -420,3 +420,4 @@ stress 294 auto quick 295 auto logprint quick 296 dump auto quick +297 auto aio enospc rw stress