From patchwork Thu Dec 25 02:00:57 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xing Gu X-Patchwork-Id: 5540861 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 [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 3AE809F2F7 for ; Thu, 25 Dec 2014 02:04:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 59117201C7 for ; Thu, 25 Dec 2014 02:04:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5797A20148 for ; Thu, 25 Dec 2014 02:04:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752142AbaLYCEe (ORCPT ); Wed, 24 Dec 2014 21:04:34 -0500 Received: from cn.fujitsu.com ([59.151.112.132]:63172 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751590AbaLYCEd (ORCPT ); Wed, 24 Dec 2014 21:04:33 -0500 X-IronPort-AV: E=Sophos;i="5.04,848,1406563200"; d="scan'208";a="47049645" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 25 Dec 2014 10:01:09 +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 sBP2417G021929; Thu, 25 Dec 2014 10:04:03 +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; Thu, 25 Dec 2014 10:04:28 +0800 From: Xing Gu To: CC: , , , , Xing Gu Subject: [PATCH v3] btrfs: add regression test for remount with thread_pool resized Date: Thu, 25 Dec 2014 10:00:57 +0800 Message-ID: <1419472857-31867-1-git-send-email-gux.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1401439971-18589-1-git-send-email-gux.fnst@cn.fujitsu.com> References: <1401439971-18589-1-git-send-email-gux.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.225.24] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@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 Regression test for a btrfs issue of resizing 'thread_pool' when remount the fs. This regression was introduced by the following linux kernel commit: btrfs: Added btrfs_workqueue_struct implemented ordered execution based on kernel workqueue 08a9ff3264181986d1d692a4e6fce3669700c9f8 And it was fixed by the following linux kernel commit: btrfs: fix crash in remount(thread_pool=) case 800ee2247f483b6d05ed47ef3bbc90b56451746c Signed-off-by: Xing Gu --- tests/btrfs/082 | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/082.out | 2 ++ tests/btrfs/group | 1 + 3 files changed, 73 insertions(+) create mode 100755 tests/btrfs/082 create mode 100644 tests/btrfs/082.out diff --git a/tests/btrfs/082 b/tests/btrfs/082 new file mode 100755 index 0000000..987ffae --- /dev/null +++ b/tests/btrfs/082 @@ -0,0 +1,70 @@ +#!/bin/bash +# FS QA Test No. btrfs/082 +# +# Regression test for a btrfs issue of resizing 'thread_pool' when +# remount the fs. +# +# This regression was introduced by the following linux kernel commit: +# btrfs: Added btrfs_workqueue_struct implemented ordered +# execution based on kernel workqueue +# 08a9ff3264181986d1d692a4e6fce3669700c9f8 +# And it was fixed by the following linux kernel commit: +# btrfs: fix crash in remount(thread_pool=) case +# 800ee2247f483b6d05ed47ef3bbc90b56451746c +# +#----------------------------------------------------------------------- +# 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_fs btrfs +_supported_os Linux +_require_scratch + +_scratch_mkfs > /dev/null + +nr_null=`dmesg | grep -c "kernel NULL pointer dereference"` +_scratch_mount "-o thread_pool=6" +_scratch_mount "-o remount,thread_pool=10" +new_null=`dmesg | grep -c "kernel NULL pointer dereference"` +if [ $new_null -ne $nr_null ]; then + _fail "kernel bug detected, check dmesg for more infomation." +fi + +echo "Silence is golden" +status=0 +exit diff --git a/tests/btrfs/082.out b/tests/btrfs/082.out new file mode 100644 index 0000000..2977f14 --- /dev/null +++ b/tests/btrfs/082.out @@ -0,0 +1,2 @@ +QA output created by 082 +Silence is golden diff --git a/tests/btrfs/group b/tests/btrfs/group index e29999b..fd2fa76 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -84,3 +84,4 @@ 079 auto rw metadata 080 auto snapshot 081 auto quick clone +082 auto quick remount