From patchwork Thu Feb 11 23:42:01 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: 8286431 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 [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 80B549F6DA for ; Thu, 11 Feb 2016 23:54:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3618220397 for ; Thu, 11 Feb 2016 23:54:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B05E3202FE for ; Thu, 11 Feb 2016 23:54:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751496AbcBKXxZ (ORCPT ); Thu, 11 Feb 2016 18:53:25 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:19730 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751380AbcBKXmH (ORCPT ); Thu, 11 Feb 2016 18:42:07 -0500 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u1BNg4Vb025019 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 11 Feb 2016 23:42:04 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u1BNg4xG028618 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Thu, 11 Feb 2016 23:42:04 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u1BNg3wG006953; Thu, 11 Feb 2016 23:42:03 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 11 Feb 2016 15:42:03 -0800 Subject: [PATCH 24/32] xfs: test the automatic cowextsize extent garbage collector From: "Darrick J. Wong" To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 11 Feb 2016 15:42:01 -0800 Message-ID: <20160211234201.2202.59992.stgit@birch.djwong.org> In-Reply-To: <20160211233916.2202.40961.stgit@birch.djwong.org> References: <20160211233916.2202.40961.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.1 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 Signed-off-by: Darrick J. Wong --- tests/xfs/231 | 130 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/231.out | 16 ++++++ tests/xfs/232 | 132 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/232.out | 16 ++++++ tests/xfs/group | 2 + 5 files changed, 296 insertions(+) create mode 100755 tests/xfs/231 create mode 100644 tests/xfs/231.out create mode 100755 tests/xfs/232 create mode 100644 tests/xfs/232.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/231 b/tests/xfs/231 new file mode 100755 index 0000000..3672887 --- /dev/null +++ b/tests/xfs/231 @@ -0,0 +1,130 @@ +#! /bin/bash +# FS QA Test No. 231 +# +# Test recovery of unused CoW reservations: +# - Create two reflinked files. Set extsz hint on second file. +# - Dirty a single byte on a number of CoW reservations in the second file. +# - Fsync to flush out the dirty pages. +# - Wait for the reclaim to run. +# - Write more and see how bad fragmentation is. +# +#----------------------------------------------------------------------- +# 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 / + echo $old_cow_lifetime > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime + 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 +_require_fiemap + +old_cow_lifetime=$(cat /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime) + +rm -f $seqres.full + +echo "Format and mount" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +blksz=65536 +nr=64 +filesize=$((blksz * nr)) +bufnr=2 +bufsize=$((blksz * bufnr)) + +_require_fs_space $SCRATCH_MNT $((filesize / 1024 * 3 * 5 / 4)) +real_blksz=$(stat -f -c '%S' $testdir) +internal_blks=$((filesize / real_blksz)) + +echo "Create the original files" +$XFS_IO_PROG -c "cowextsize $bufsize" $testdir +$XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file1 >> $seqres.full +$XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file2.chk >> $seqres.full +_cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full +_scratch_remount + +echo "Compare files" +md5sum $testdir/file1 | _filter_scratch +md5sum $testdir/file2 | _filter_scratch +md5sum $testdir/file2.chk | _filter_scratch + +echo "CoW and leave leftovers" +echo 2 > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime +seq 2 2 $((nr - 1)) | while read f; do + $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2 >> $seqres.full + $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2.chk >> $seqres.full +done +sync + +echo "Wait for CoW expiration" +sleep 3 + +echo "Allocate free space" +for i in $(seq 1 32); do + $XFS_IO_PROG -f -c "falloc 0 1" $testdir/junk.$i >> $seqres.full +done +$XFS_IO_PROG -f -c "falloc 0 $filesize" $testdir/junk >> $seqres.full + +echo "CoW and leave leftovers" +echo $old_cow_lifetime > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime +seq 2 2 $((nr - 1)) | while read f; do + $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2 >> $seqres.full + $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2.chk >> $seqres.full +done +sync + +echo "Compare files" +md5sum $testdir/file1 | _filter_scratch +md5sum $testdir/file2 | _filter_scratch +md5sum $testdir/file2.chk | _filter_scratch + +echo "Check extent counts" +old_extents=$(_count_extents $testdir/file1) +new_extents=$(_count_extents $testdir/file2) + +echo "old extents: $old_extents" >> $seqres.full +echo "new extents: $new_extents" >> $seqres.full +echo "maximum extents: $internal_blks" >> $seqres.full +test $new_extents -lt $((internal_blks / 7)) || echo "file2 badly fragmented" + +# success, all done +status=0 +exit diff --git a/tests/xfs/231.out b/tests/xfs/231.out new file mode 100644 index 0000000..0dcaba3 --- /dev/null +++ b/tests/xfs/231.out @@ -0,0 +1,16 @@ +QA output created by 231 +Format and mount +Create the original files +Compare files +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-231/file1 +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-231/file2 +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-231/file2.chk +CoW and leave leftovers +Wait for CoW expiration +Allocate free space +CoW and leave leftovers +Compare files +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-231/file1 +211b0f725e67149d75104a747365eb70 SCRATCH_MNT/test-231/file2 +211b0f725e67149d75104a747365eb70 SCRATCH_MNT/test-231/file2.chk +Check extent counts diff --git a/tests/xfs/232 b/tests/xfs/232 new file mode 100755 index 0000000..7219a64 --- /dev/null +++ b/tests/xfs/232 @@ -0,0 +1,132 @@ +#! /bin/bash +# FS QA Test No. 232 +# +# Test non-recovery of unused CoW reservations for dirty files: +# - Create two reflinked files. Set extsz hint on second file. +# - Dirty a single byte on a number of CoW reservations in the second file. +# - Fsync to flush out the dirty pages. +# - Dirty a single byte anywhere in the second file. +# - Wait for the reclaim to run. +# - Write more and see how bad fragmentation is. +# +#----------------------------------------------------------------------- +# 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 / + echo $old_cow_lifetime > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_scratch_reflink +_require_cp_reflink +_require_fiemap + +old_cow_lifetime=$(cat /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime) + +rm -f $seqres.full + +echo "Format and mount" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +blksz=65536 +nr=64 +filesize=$((blksz * nr)) +bufnr=2 +bufsize=$((blksz * bufnr)) + +_require_fs_space $SCRATCH_MNT $((filesize / 1024 * 3 * 5 / 4)) +real_blksz=$(stat -f -c '%S' $testdir) +internal_blks=$((filesize / real_blksz)) + +echo "Create the original files" +$XFS_IO_PROG -c "cowextsize $bufsize" $testdir +$XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file1 >> $seqres.full +$XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file2.chk >> $seqres.full +_cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full +_scratch_remount + +echo "Compare files" +md5sum $testdir/file1 | _filter_scratch +md5sum $testdir/file2 | _filter_scratch +md5sum $testdir/file2.chk | _filter_scratch + +echo "CoW and leave leftovers" +echo 2 > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime +seq 2 2 $((nr - 1)) | while read f; do + $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2 >> $seqres.full + $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2.chk >> $seqres.full +done +sync + +echo "Wait for CoW expiration" +$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * 2)) 1" $testdir/file2 >> $seqres.full +sleep 3 + +echo "Allocate free space" +for i in $(seq 1 32); do + $XFS_IO_PROG -f -c "falloc 0 1" $testdir/junk.$i >> $seqres.full +done +$XFS_IO_PROG -f -c "falloc 0 $filesize" $testdir/junk >> $seqres.full + +echo "CoW and leave leftovers" +echo $old_cow_lifetime > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime +seq 2 2 $((nr - 1)) | while read f; do + $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2 >> $seqres.full + $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2.chk >> $seqres.full +done +sync + +echo "Compare files" +md5sum $testdir/file1 | _filter_scratch +md5sum $testdir/file2 | _filter_scratch +md5sum $testdir/file2.chk | _filter_scratch + +echo "Check extent counts" +old_extents=$(_count_extents $testdir/file1) +new_extents=$(_count_extents $testdir/file2) + +echo "old extents: $old_extents" >> $seqres.full +echo "new extents: $new_extents" >> $seqres.full +echo "maximum extents: $internal_blks" >> $seqres.full +test $new_extents -lt $((internal_blks / 12)) || echo "file2 not sufficiently fragmented" + +# success, all done +status=0 +exit diff --git a/tests/xfs/232.out b/tests/xfs/232.out new file mode 100644 index 0000000..0fb9fb9 --- /dev/null +++ b/tests/xfs/232.out @@ -0,0 +1,16 @@ +QA output created by 232 +Format and mount +Create the original files +Compare files +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-232/file1 +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-232/file2 +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-232/file2.chk +CoW and leave leftovers +Wait for CoW expiration +Allocate free space +CoW and leave leftovers +Compare files +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-232/file1 +211b0f725e67149d75104a747365eb70 SCRATCH_MNT/test-232/file2 +211b0f725e67149d75104a747365eb70 SCRATCH_MNT/test-232/file2.chk +Check extent counts diff --git a/tests/xfs/group b/tests/xfs/group index da83274..de3c7d6 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -228,6 +228,8 @@ 228 auto quick clone 229 auto rw 230 auto quick clone +231 auto quick clone +232 auto quick clone 238 auto quick metadata ioctl 242 auto quick prealloc 244 auto quota quick