From patchwork Fri Jan 24 09:09:57 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wang Shilong X-Patchwork-Id: 3533801 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 E129FC02DC for ; Fri, 24 Jan 2014 09:11:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 42E572012F for ; Fri, 24 Jan 2014 09:11:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6B58F2015D for ; Fri, 24 Jan 2014 09:11:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752061AbaAXJLZ (ORCPT ); Fri, 24 Jan 2014 04:11:25 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:30541 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1750932AbaAXJLW (ORCPT ); Fri, 24 Jan 2014 04:11:22 -0500 X-IronPort-AV: E=Sophos;i="4.95,711,1384272000"; d="scan'208";a="9450878" Received: from unknown (HELO tang.cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 24 Jan 2014 17:07:34 +0800 Received: from fnstmail02.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id s0O9BFhv005928; Fri, 24 Jan 2014 17:11:16 +0800 Received: from wangs.fnst.cn.fujitsu.com ([10.167.226.104]) by fnstmail02.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.3) with ESMTP id 2014012417094849-1342440 ; Fri, 24 Jan 2014 17:09:48 +0800 From: Wang Shilong To: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org Subject: [PATCH] Btrfs: add regression test for iterating backrefs Date: Fri, 24 Jan 2014 17:09:57 +0800 Message-Id: <1390554597-11076-2-git-send-email-wangsl.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1390554597-11076-1-git-send-email-wangsl.fnst@cn.fujitsu.com> References: <1390554597-11076-1-git-send-email-wangsl.fnst@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2014/01/24 17:09:48, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2014/01/24 17:09:49, Serialize complete at 2014/01/24 17:09:49 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.5 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 Btrfs send/scrub/defrag/qgroup need to walk backrefs,this test is to make sure iterating backrefs with ulist is working and don't cause a kernel panic here. Signed-off-by: Wang Shilong --- tests/btrfs/033 | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/033.out | 2 ++ tests/btrfs/group | 1 + 3 files changed, 74 insertions(+) create mode 100755 tests/btrfs/033 create mode 100644 tests/btrfs/033.out diff --git a/tests/btrfs/033 b/tests/btrfs/033 new file mode 100755 index 0000000..c6ddcdc --- /dev/null +++ b/tests/btrfs/033 @@ -0,0 +1,71 @@ +#!/bin/bash +# FS QA Test No. btrfs/033 +# +# Regression test for iterating backrefs +# +#----------------------------------------------------------------------- +# 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 2>&1 +_scratch_mount + +touch $SCRATCH_MNT/foo + +# get file with fragments by using backwards writes. +for i in `seq 10240 -1 1`; do + $XFS_IO_PROG -f -d -c "pwrite $(($i * 4096)) 4096" \ + $SCRATCH_MNT/foo > /dev/null | _filter_xfs_io +done + +# get some snapshots here to make sure we are really +# suffering from walking backrefs. +for i in `seq 0 50`; do + $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \ + $SCRATCH_MNT/snap_$i >> $seqres.full 2>&1 +done + +$BTRFS_UTIL_PROG send -f $SCRATCH_MNT/send_file \ + $SCRATCH_MNT/snap_1 >> $seqres.full 2>&1 + +echo "Silence is golden" +status=0 ; exit diff --git a/tests/btrfs/033.out b/tests/btrfs/033.out new file mode 100644 index 0000000..c5d2914 --- /dev/null +++ b/tests/btrfs/033.out @@ -0,0 +1,2 @@ +QA output created by 033 +Silence is golden diff --git a/tests/btrfs/group b/tests/btrfs/group index 7f48b04..b29236c 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -35,3 +35,4 @@ 030 auto quick 031 auto quick 032 auto quick +033 auto quick