From patchwork Fri Aug 5 08:02:51 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Darrick J. Wong" X-Patchwork-Id: 9264865 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 14E5B60839 for ; Fri, 5 Aug 2016 08:03:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 076AC28410 for ; Fri, 5 Aug 2016 08:03:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F058028426; Fri, 5 Aug 2016 08:03:12 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from oss.sgi.com (oss.sgi.com [192.48.182.195]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C013128410 for ; Fri, 5 Aug 2016 08:03:11 +0000 (UTC) Received: from oss.sgi.com (localhost [IPv6:::1]) by oss.sgi.com (Postfix) with ESMTP id CBA8A7CA6; Fri, 5 Aug 2016 03:03:10 -0500 (CDT) X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0FFB37CA4 for ; Fri, 5 Aug 2016 03:03:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id B94DF304039 for ; Fri, 5 Aug 2016 01:03:05 -0700 (PDT) X-ASG-Debug-ID: 1470384175-0bf8157e6d4cd720001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id plYdR7kHkginIMI2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 05 Aug 2016 01:02:58 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u7582skS024764 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 5 Aug 2016 08:02:54 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u7582rKW022508 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 5 Aug 2016 08:02:53 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u7582rmD004436; Fri, 5 Aug 2016 08:02:53 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 05 Aug 2016 01:02:52 -0700 Date: Fri, 5 Aug 2016 01:02:51 -0700 From: "Darrick J. Wong" To: david@fromorbit.com, eguan@redhat.com Subject: [PATCH v2] generic: test accurate shared extent reporting Message-ID: <20160805080251.GI25565@birch.djwong.org> X-ASG-Orig-Subj: [PATCH v2] generic: test accurate shared extent reporting References: <20160805072147.GG25565@birch.djwong.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20160805072147.GG25565@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1470384178 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4159 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.31768 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Cc: mfasheh@suse.de, dedekind1@gmail.com, fstests@vger.kernel.org, linux-btrfs@vger.kernel.org, xfs@oss.sgi.com X-BeenThere: xfs@oss.sgi.com X-Mailman-Version: 2.1.14 Precedence: list List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com X-Virus-Scanned: ClamAV using ClamSMTP Ensure that we can create a file with a single extent, reflink two blocks out of the middle of that extent, and the resulting fiemap reports two shared extents, instead of lazily reporting the entire huge extent as shared. v2: add _supported_fs Signed-off-by: Darrick J. Wong Reviewed-by: Christoph Hellwig --- tests/generic/929 | 90 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/929.out | 17 +++++++++ tests/generic/group | 1 + 3 files changed, 108 insertions(+) create mode 100755 tests/generic/929 create mode 100644 tests/generic/929.out diff --git a/tests/generic/929 b/tests/generic/929 new file mode 100755 index 0000000..1871789 --- /dev/null +++ b/tests/generic/929 @@ -0,0 +1,90 @@ +#! /bin/bash +# FS QA Test No. 929 +# +# Check that bmap/fiemap accurately report shared extents. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 Oracle, Inc. 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 7 15 + +_cleanup() +{ + cd / + rm -rf $tmp.* + wait +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_supported_fs generic +_require_scratch_reflink +_require_fiemap + +echo "Format and mount" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +blocks=5 +blksz=65536 +sz=$((blocks * blksz)) + +echo "Create the original files" +$XFS_IO_PROG -f -c "falloc 0 $sz" $testdir/file1 >> $seqres.full +_pwrite_byte 0x61 0 $sz $testdir/file1 >> $seqres.full +_scratch_cycle_mount + +echo "file1 extents and holes" +_count_extents $testdir/file1 +_count_holes $testdir/file1 + +_reflink_range $testdir/file1 $blksz $testdir/file2 $((blksz * 3)) $blksz >> $seqres.full +_reflink_range $testdir/file1 $((blksz * 3)) $testdir/file2 $blksz $blksz >> $seqres.full +_scratch_cycle_mount + +echo "Compare files" +md5sum $testdir/file1 | _filter_scratch +md5sum $testdir/file2 | _filter_scratch + +echo "file1 extents and holes" +_count_extents $testdir/file1 +_count_holes $testdir/file1 +echo "file2 extents and holes" +_count_extents $testdir/file2 +_count_holes $testdir/file2 +echo "file1 shared extents" +$XFS_IO_PROG -c 'fiemap -v' $testdir/file1 | awk '{print $5}' | grep -c '0x.*[2367aAbBfF]...$' + +# success, all done +status=0 +exit diff --git a/tests/generic/929.out b/tests/generic/929.out new file mode 100644 index 0000000..e290f4c --- /dev/null +++ b/tests/generic/929.out @@ -0,0 +1,17 @@ +QA output created by 929 +Format and mount +Create the original files +file1 extents and holes +1 +0 +Compare files +17af09af790a9b4c79cddf72f6b642cb SCRATCH_MNT/test-929/file1 +79418df9c55ab7f58781cb7b9e7d5d91 SCRATCH_MNT/test-929/file2 +file1 extents and holes +5 +0 +file2 extents and holes +2 +2 +file1 shared extents +2 diff --git a/tests/generic/group b/tests/generic/group index 18b9775..732f6f6 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -375,3 +375,4 @@ 370 auto quick richacl 927 auto quick clone 928 auto quick clone dedupe +929 auto quick clone