From patchwork Fri Jun 17 01:46:27 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: 9182285 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 C20F260573 for ; Fri, 17 Jun 2016 01:46:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B2682283A1 for ; Fri, 17 Jun 2016 01:46:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A790B283A3; Fri, 17 Jun 2016 01:46:44 +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, UNPARSEABLE_RELAY 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 29253283A1 for ; Fri, 17 Jun 2016 01:46:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754980AbcFQBqk (ORCPT ); Thu, 16 Jun 2016 21:46:40 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:18191 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754880AbcFQBqj (ORCPT ); Thu, 16 Jun 2016 21:46:39 -0400 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1kUMh014059 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:31 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1kUXv015940 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:30 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1kTYl026607; Fri, 17 Jun 2016 01:46:29 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:46:28 -0700 Subject: [PATCH 04/20] xfs: test per-ag allocation accounting during truncate-caused refcountbt expansion From: "Darrick J. Wong" To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, Christoph Hellwig , fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:46:27 -0700 Message-ID: <146612798735.25024.15150901661628191347.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Source-IP: userv0021.oracle.com [156.151.31.71] 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 Ensure that refcountbt allocations during truncate operations come from the per-AG reservation and are not charged to the transaction. Reported-by: Christoph Hellwig Signed-off-by: Darrick J. Wong --- tests/xfs/855 | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/855.out | 10 ++++++ tests/xfs/group | 1 + 3 files changed, 106 insertions(+) create mode 100755 tests/xfs/855 create mode 100644 tests/xfs/855.out -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/tests/xfs/855 b/tests/xfs/855 new file mode 100755 index 0000000..93bd286 --- /dev/null +++ b/tests/xfs/855 @@ -0,0 +1,95 @@ +#! /bin/bash +# FS QA Test No. 855 +# +# Ensure that we can create enough distinct reflink entries to force creation +# of a multi-level refcount btree by reflinking a file a number of times and +# truncating the copies at successively lower sizes. Delete and recreate a few +# times to exercise the refcount btree grow/shrink functions. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. 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 / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_scratch_reflink +_require_cp_reflink + +rm -f $seqres.full + +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +echo "Create the original file blocks" +blksz="$(stat -f $testdir -c '%S')" +nr_blks=$((2 * blksz / 12)) + +for i in 1 2 x; do + _pwrite_byte 0x61 0 $((blksz * nr_blks)) $testdir/file1 >> $seqres.full + + echo "$i: Reflink a bunch of times" + seq 1 $nr_blks | while read nr; do + _cp_reflink $testdir/file1 $testdir/file1.$nr >> $seqres.full + done + sync + + echo "$i: Truncate files" + seq 1 $nr_blks | while read nr; do + truncate -s $((blksz * (nr_blks - nr))) $testdir/file1.$nr >> $seqres.full + done + + umount $SCRATCH_MNT + _check_scratch_fs + _scratch_mount + + test $i = "x" && break + + echo "$i: Delete both files" + rm -rf $testdir + mkdir -p $testdir + umount $SCRATCH_MNT + _check_scratch_fs + _scratch_mount +done + +# success, all done +status=0 +exit diff --git a/tests/xfs/855.out b/tests/xfs/855.out new file mode 100644 index 0000000..d196352 --- /dev/null +++ b/tests/xfs/855.out @@ -0,0 +1,10 @@ +QA output created by 855 +Create the original file blocks +1: Reflink a bunch of times +1: Truncate files +1: Delete both files +2: Reflink a bunch of times +2: Truncate files +2: Delete both files +x: Reflink a bunch of times +x: Truncate files diff --git a/tests/xfs/group b/tests/xfs/group index 4ac62c1..f0ca410 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -287,3 +287,4 @@ 305 auto quota 853 auto quick clone 854 auto quick clone +855 auto clone