From patchwork Mon Sep 12 06:36:59 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoguang Wang X-Patchwork-Id: 9325761 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1475B6089F for ; Mon, 12 Sep 2016 06:42:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0601328ACA for ; Mon, 12 Sep 2016 06:42:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EEB5728AD1; Mon, 12 Sep 2016 06:42:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9A44128ACA for ; Mon, 12 Sep 2016 06:42:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755023AbcILGmD (ORCPT ); Mon, 12 Sep 2016 02:42:03 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:37056 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1754119AbcILGmB (ORCPT ); Mon, 12 Sep 2016 02:42:01 -0400 X-IronPort-AV: E=Sophos;i="5.20,367,1444665600"; d="scan'208";a="837683" Received: from unknown (HELO cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 12 Sep 2016 14:41:48 +0800 Received: from localhost.localdomain (unknown [10.167.226.107]) by cn.fujitsu.com (Postfix) with ESMTP id 84E764026B45; Mon, 12 Sep 2016 14:41:44 +0800 (CST) From: Wang Xiaoguang To: fstests@vger.kernel.org Cc: linux-btrfs@vger.kernel.org Subject: [PATCH] generic: check whether we can truncate heavily reflinked file Date: Mon, 12 Sep 2016 14:36:59 +0800 Message-Id: <20160912063659.4112-1-wangxg.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.9.0 MIME-Version: 1.0 X-yoursite-MailScanner-ID: 84E764026B45.A1C6E X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: wangxg.fnst@cn.fujitsu.com Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Wang Xiaoguang --- tests/generic/377 | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/377.out | 2 ++ tests/generic/group | 1 + 3 files changed, 77 insertions(+) create mode 100755 tests/generic/377 create mode 100644 tests/generic/377.out diff --git a/tests/generic/377 b/tests/generic/377 new file mode 100755 index 0000000..3a0c27e --- /dev/null +++ b/tests/generic/377 @@ -0,0 +1,74 @@ +#! /bin/bash +# FS QA Test 377 +# +# Create a heavily reflinked file, then check whether we can truncate +# it correctly. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 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! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# remove previous $seqres.full before test +rm -f $seqres.full + +# Modify as appropriate. +_supported_fs generic +_supported_os Linux +_require_scratch +_require_scratch_reflink +_require_cp_reflink + +_scratch_mkfs_sized $((128 * 1024 * 1024)) >> $seqres.full 2>&1 +_scratch_mount + +file=$SCRATCH_MNT/testfile +blocksize=$((128 * 1024)) + +# create the initial file. +_pwrite_byte 0xcdcdcdcd 0 $blocksize $file > /dev/null + +echo "Silence is golden" +# filesize is 20GB, and here 20GB is choosen deliberately, so it +# can consume enough fs free space. +for ((i=1; i<163840; i++)); do + _reflink_range $file 0 $file $(($i * $blocksize)) $blocksize \ + >> $seqres.full 2>&1 +done +$XFS_IO_PROG -f -c 'truncate 0' $file + +status=0 +exit diff --git a/tests/generic/377.out b/tests/generic/377.out new file mode 100644 index 0000000..d14a512 --- /dev/null +++ b/tests/generic/377.out @@ -0,0 +1,2 @@ +QA output created by 377 +Silence is golden diff --git a/tests/generic/group b/tests/generic/group index bad71bc..ea98752 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -379,3 +379,4 @@ 374 auto quick clone dedupe 375 auto quick acl 376 auto quick metadata +377 auto clone