From patchwork Fri Nov 13 21:37:29 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Darrick J. Wong" X-Patchwork-Id: 7614671 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 94E8DBF90C for ; Fri, 13 Nov 2015 21:39:01 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 56DD12073E for ; Fri, 13 Nov 2015 21:38:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D657F2078B for ; Fri, 13 Nov 2015 21:38:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751969AbbKMVig (ORCPT ); Fri, 13 Nov 2015 16:38:36 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:29669 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751233AbbKMVh5 (ORCPT ); Fri, 13 Nov 2015 16:37:57 -0500 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id tADLbVOk000460 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 13 Nov 2015 21:37:31 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id tADLbVwW025259 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Fri, 13 Nov 2015 21:37:31 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 tADLbV4F007418; Fri, 13 Nov 2015 21:37:31 GMT Received: from localhost (/71.198.20.188) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 13 Nov 2015 13:37:30 -0800 Subject: [PATCH 07/12] reflink: test accuracy of free block counts From: "Darrick J. Wong" To: david@fromorbit.com, darrick.wong@oracle.com Cc: fstests@vger.kernel.org, xfs@oss.sgi.com, hch@infradead.org, tao.peng@primarydata.com, linux-ext4@vger.kernel.org, Anna.Schumaker@netapp.com, linux-btrfs@vger.kernel.org Date: Fri, 13 Nov 2015 13:37:29 -0800 Message-ID: <20151113213729.31124.57712.stgit@birch.djwong.org> In-Reply-To: <20151113213643.31124.80975.stgit@birch.djwong.org> References: <20151113213643.31124.80975.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.2 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 Check that the free block counts seem to be handled correctly in the reflink operation and subsequent attempts to rewrite reflinked copies. Signed-off-by: Darrick J. Wong --- tests/generic/150 | 78 +++++++++++++++++++++++++++++++ tests/generic/150.out | 4 ++ tests/generic/151 | 98 +++++++++++++++++++++++++++++++++++++++ tests/generic/151.out | 8 +++ tests/generic/152 | 103 +++++++++++++++++++++++++++++++++++++++++ tests/generic/152.out | 8 +++ tests/generic/153 | 102 ++++++++++++++++++++++++++++++++++++++++ tests/generic/153.out | 8 +++ tests/generic/154 | 110 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/154.out | 11 ++++ tests/generic/155 | 114 +++++++++++++++++++++++++++++++++++++++++++++ tests/generic/155.out | 11 ++++ tests/generic/156 | 124 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/156.out | 12 +++++ tests/generic/group | 7 +++ 15 files changed, 798 insertions(+) create mode 100755 tests/generic/150 create mode 100644 tests/generic/150.out create mode 100755 tests/generic/151 create mode 100644 tests/generic/151.out create mode 100755 tests/generic/152 create mode 100644 tests/generic/152.out create mode 100755 tests/generic/153 create mode 100644 tests/generic/153.out create mode 100755 tests/generic/154 create mode 100644 tests/generic/154.out create mode 100755 tests/generic/155 create mode 100644 tests/generic/155.out create mode 100755 tests/generic/156 create mode 100644 tests/generic/156.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/generic/150 b/tests/generic/150 new file mode 100755 index 0000000..3046e92 --- /dev/null +++ b/tests/generic/150 @@ -0,0 +1,78 @@ +#! /bin/bash +# FS QA Test No. 150 +# +# Ensure that reflinking a file N times doesn't eat a lot of blocks +# - Create a file and record fs block usage +# - Create some reflink copies +# - Compare fs block usage to before +# +#----------------------------------------------------------------------- +# Copyright (c) 2015, 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 / + rm -rf "$tmp".* "$TESTDIR" +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_test_reflink +_require_cp_reflink + +rm -f "$seqres.full" + +TESTDIR="$TEST_DIR/test-$seq" +rm -rf "$TESTDIR" +mkdir "$TESTDIR" + +echo "Create the original file blocks" +BLKSZ="$(stat -f $TESTDIR -c '%S')" +BLKS=2000 +MARGIN=100 +SZ=$((BLKSZ * BLKS)) +NR=7 +_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full" +sync +FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f') + +echo "Create the reflink copies" +for i in `seq 2 $NR`; do + _cp_reflink "$TESTDIR/file1" "$TESTDIR/file.$i" +done +_test_remount +FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f') + +_within_tolerance "free blocks after reflink" $FREE_BLOCKS1 $FREE_BLOCKS0 $MARGIN -v + +# success, all done +status=0 +exit diff --git a/tests/generic/150.out b/tests/generic/150.out new file mode 100644 index 0000000..94580a6 --- /dev/null +++ b/tests/generic/150.out @@ -0,0 +1,4 @@ +QA output created by 150 +Create the original file blocks +Create the reflink copies +free blocks after reflink is in range diff --git a/tests/generic/151 b/tests/generic/151 new file mode 100755 index 0000000..c42ca1d --- /dev/null +++ b/tests/generic/151 @@ -0,0 +1,98 @@ +#! /bin/bash +# FS QA Test No. 151 +# +# Ensure that deleting all copies of a file reflinked N times releases the blocks +# - Record fs block usage (0) +# - Create a file and some reflink copies +# - Record fs block usage (1) +# - Delete some copies of the file +# - Record fs block usage (2) +# - Delete all copies of the file +# - Compare fs block usage to (2), (1), and (0) +# +#----------------------------------------------------------------------- +# Copyright (c) 2015, 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 / + rm -rf "$tmp".* "$TESTDIR" +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_test_reflink +_require_cp_reflink + +rm -f "$seqres.full" + +TESTDIR="$TEST_DIR/test-$seq" +rm -rf "$TESTDIR" +mkdir "$TESTDIR" + +echo "Create the original file blocks" +BLKSZ="$(stat -f "$TESTDIR" -c '%S')" +BLKS=2000 +MARGIN=100 +SZ=$((BLKSZ * BLKS)) +FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f') +NR=7 +_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full" +sync + +echo "Create the reflink copies" +for i in `seq 2 $NR`; do + _cp_reflink "$TESTDIR/file1" "$TESTDIR/file.$i" +done +_cp_reflink "$TESTDIR/file1" "$TESTDIR/survivor" +_test_remount +FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f') + +echo "Delete most of the files" +rm -rf "$TESTDIR"/file* +_test_remount +FREE_BLOCKS2=$(stat -f "$TESTDIR" -c '%f') + +echo "Delete all the files" +rm -rf "$TESTDIR"/* +_test_remount +FREE_BLOCKS3=$(stat -f "$TESTDIR" -c '%f') +#echo $FREE_BLOCKS0 $FREE_BLOCKS1 $FREE_BLOCKS2 $FREE_BLOCKS3 + +_within_tolerance "free blocks after reflink" $FREE_BLOCKS1 $((FREE_BLOCKS0 - BLKS)) $MARGIN -v + +_within_tolerance "free blocks after deleting some reflink copies" $FREE_BLOCKS2 $FREE_BLOCKS1 $MARGIN -v + +_within_tolerance "free blocks after deleting all copies" $FREE_BLOCKS3 $FREE_BLOCKS0 $MARGIN -v + +# success, all done +status=0 +exit diff --git a/tests/generic/151.out b/tests/generic/151.out new file mode 100644 index 0000000..214be54 --- /dev/null +++ b/tests/generic/151.out @@ -0,0 +1,8 @@ +QA output created by 151 +Create the original file blocks +Create the reflink copies +Delete most of the files +Delete all the files +free blocks after reflink is in range +free blocks after deleting some reflink copies is in range +free blocks after deleting all copies is in range diff --git a/tests/generic/152 b/tests/generic/152 new file mode 100755 index 0000000..95ffe40 --- /dev/null +++ b/tests/generic/152 @@ -0,0 +1,103 @@ +#! /bin/bash +# FS QA Test No. 152 +# +# Ensure that punching all copies of a file reflinked N times releases the blocks +# - Record fs block usage (0) +# - Create a file and some reflink copies +# - Record fs block usage (1) +# - Punch some blocks of the copies +# - Record fs block usage (2) +# - Punch all blocks of the copies +# - Compare fs block usage to (2), (1), and (0) +# +#----------------------------------------------------------------------- +# Copyright (c) 2015, 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 / + rm -rf "$tmp".* "$TESTDIR" +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_test_reflink +_require_cp_reflink +_require_xfs_io_command "fpunch" + +rm -f "$seqres.full" + +TESTDIR="$TEST_DIR/test-$seq" +rm -rf "$TESTDIR" +mkdir "$TESTDIR" + +echo "Create the original file blocks" +BLKSZ="$(stat -f "$TESTDIR" -c '%S')" +BLKS=2000 +MARGIN=100 +SZ=$((BLKSZ * BLKS)) +FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f') +NR=4 +_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full" +sync + +echo "Create the reflink copies" +for i in `seq 2 $NR`; do + _cp_reflink "$TESTDIR/file1" "$TESTDIR/file$i" +done +_test_remount +FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f') + +echo "Punch most of the blocks" +"$XFS_IO_PROG" -f -c "fpunch 0 $SZ" "$TESTDIR/file2" +"$XFS_IO_PROG" -f -c "fpunch 0 $((SZ / 2))" "$TESTDIR/file3" +"$XFS_IO_PROG" -f -c "fpunch $((SZ / 2)) $((SZ / 2))" "$TESTDIR/file4" +_test_remount +FREE_BLOCKS2=$(stat -f "$TESTDIR" -c '%f') + +echo "Punch all the files" +for i in `seq 2 $NR`; do + "$XFS_IO_PROG" -f -c "fpunch 0 $SZ" "$TESTDIR/file$i" +done +"$XFS_IO_PROG" -f -c "fpunch 0 $SZ" "$TESTDIR/file1" +_test_remount +FREE_BLOCKS3=$(stat -f "$TESTDIR" -c '%f') +#echo $FREE_BLOCKS0 $FREE_BLOCKS1 $FREE_BLOCKS2 $FREE_BLOCKS3 + +_within_tolerance "free blocks after reflink" $FREE_BLOCKS1 $((FREE_BLOCKS0 - BLKS)) $MARGIN -v + +_within_tolerance "free blocks after punching some reflink copies" $FREE_BLOCKS2 $FREE_BLOCKS1 $MARGIN -v + +_within_tolerance "free blocks after punching all copies" $FREE_BLOCKS3 $FREE_BLOCKS0 $MARGIN -v + +# success, all done +status=0 +exit diff --git a/tests/generic/152.out b/tests/generic/152.out new file mode 100644 index 0000000..10b2003 --- /dev/null +++ b/tests/generic/152.out @@ -0,0 +1,8 @@ +QA output created by 152 +Create the original file blocks +Create the reflink copies +Punch most of the blocks +Punch all the files +free blocks after reflink is in range +free blocks after punching some reflink copies is in range +free blocks after punching all copies is in range diff --git a/tests/generic/153 b/tests/generic/153 new file mode 100755 index 0000000..2deee20 --- /dev/null +++ b/tests/generic/153 @@ -0,0 +1,102 @@ +#! /bin/bash +# FS QA Test No. 153 +# +# Ensure that collapse-range on all copies of a file reflinked N times releases the blocks +# - Record fs block usage (0) +# - Create a file and some reflink copies +# - Record fs block usage (1) +# - Collapse-range some blocks of the copies +# - Record fs block usage (2) +# - Truncate all blocks of the copies +# - Compare fs block usage to (2), (1), and (0) +# +#----------------------------------------------------------------------- +# Copyright (c) 2015, 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 / + rm -rf "$tmp".* "$TESTDIR" +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_test_reflink +_require_cp_reflink +_require_xfs_io_command "fcollapse" + +rm -f "$seqres.full" + +TESTDIR="$TEST_DIR/test-$seq" +rm -rf "$TESTDIR" +mkdir "$TESTDIR" + +echo "Create the original file blocks" +BLKSZ="$(stat -f "$TESTDIR" -c '%S')" +BLKS=2000 +MARGIN=100 +SZ=$((BLKSZ * BLKS)) +FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f') +NR=4 +_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full" +_test_remount + +echo "Create the reflink copies" +for i in `seq 2 $NR`; do + _cp_reflink "$TESTDIR/file1" "$TESTDIR/file$i" +done +_test_remount +FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f') + +echo "Collapse most of the blocks" +"$XFS_IO_PROG" -f -c "fcollapse 0 $(((BLKS - 1) * BLKSZ))" $TESTDIR/file2 +"$XFS_IO_PROG" -f -c "fcollapse 0 $((SZ / 2))" $TESTDIR/file3 +"$XFS_IO_PROG" -f -c "fcollapse $((SZ / 2)) $(( ((BLKS / 2) - 1) * BLKSZ))" $TESTDIR/file4 +_test_remount +FREE_BLOCKS2=$(stat -f "$TESTDIR" -c '%f') + +echo "Collpase nearly all the files" +"$XFS_IO_PROG" -f -c "fcollapse 0 $(( ((BLKS / 2) - 1) * BLKSZ))" $TESTDIR/file3 +"$XFS_IO_PROG" -f -c "fcollapse 0 $((SZ / 2))" $TESTDIR/file4 +"$XFS_IO_PROG" -f -c "fcollapse 0 $(( (BLKS - 1) * BLKSZ))" $TESTDIR/file1 +_test_remount +FREE_BLOCKS3=$(stat -f "$TESTDIR" -c '%f') +#echo $FREE_BLOCKS0 $FREE_BLOCKS1 $FREE_BLOCKS2 $FREE_BLOCKS3 + +_within_tolerance "free blocks after reflink" $FREE_BLOCKS1 $((FREE_BLOCKS0 - BLKS)) $MARGIN -v + +_within_tolerance "free blocks after fcollapsing some reflink copies" $FREE_BLOCKS2 $FREE_BLOCKS1 $MARGIN -v + +_within_tolerance "free blocks after fcollapsing all copies" $FREE_BLOCKS3 $FREE_BLOCKS0 $MARGIN -v + +# success, all done +status=0 +exit diff --git a/tests/generic/153.out b/tests/generic/153.out new file mode 100644 index 0000000..c9ff37c --- /dev/null +++ b/tests/generic/153.out @@ -0,0 +1,8 @@ +QA output created by 153 +Create the original file blocks +Create the reflink copies +Collapse most of the blocks +Collpase nearly all the files +free blocks after reflink is in range +free blocks after fcollapsing some reflink copies is in range +free blocks after fcollapsing all copies is in range diff --git a/tests/generic/154 b/tests/generic/154 new file mode 100755 index 0000000..173b981 --- /dev/null +++ b/tests/generic/154 @@ -0,0 +1,110 @@ +#! /bin/bash +# FS QA Test No. 154 +# +# Ensure that CoW on all copies of a file reflinked N times increases block count +# - Record fs block usage (0) +# - Create a file and some reflink copies +# - Record fs block usage (1) +# - CoW some blocks of the copies +# - Record fs block usage (2) +# - CoW all the rest of the blocks of the copies +# - Compare fs block usage to (2), (1), and (0) +# +#----------------------------------------------------------------------- +# Copyright (c) 2015, 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 / + rm -rf "$tmp".* "$TESTDIR" +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_test_reflink +_require_cp_reflink + +rm -f "$seqres.full" + +TESTDIR="$TEST_DIR/test-$seq" +rm -rf "$TESTDIR" +mkdir "$TESTDIR" + +echo "Create the original file blocks" +BLKSZ="$(stat -f "$TESTDIR" -c '%S')" +BLKS=2000 +MARGIN=100 +FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f') +NR=4 +SZ=$((BLKS * BLKSZ)) +_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full" +_test_remount + +echo "Create the reflink copies" +for i in `seq 2 $NR`; do + _cp_reflink "$TESTDIR/file1" "$TESTDIR/file$i" +done +_test_remount +FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f') + +echo "Rewrite some of the blocks" +_pwrite_byte 0x62 0 $SZ "$TESTDIR/file2" >> "$seqres.full" +_pwrite_byte 0x63 0 $((SZ / 2)) "$TESTDIR/file3" >> "$seqres.full" +_pwrite_byte 0x64 $((SZ / 2)) $((SZ / 2)) "$TESTDIR/file4" >> "$seqres.full" +_test_remount +FREE_BLOCKS2=$(stat -f "$TESTDIR" -c '%f') + +echo "Rewrite all the files" +_pwrite_byte 0x62 0 $SZ "$TESTDIR/file2" >> "$seqres.full" +_pwrite_byte 0x63 0 $SZ "$TESTDIR/file3" >> "$seqres.full" +_pwrite_byte 0x64 0 $SZ "$TESTDIR/file4" >> "$seqres.full" +_test_remount +FREE_BLOCKS3=$(stat -f "$TESTDIR" -c '%f') + +echo "Rewrite the original file" +_pwrite_byte 0x65 0 $SZ "$TESTDIR/file1" >> "$seqres.full" +_test_remount +FREE_BLOCKS4=$(stat -f "$TESTDIR" -c '%f') +#echo $FREE_BLOCKS0 $FREE_BLOCKS1 $FREE_BLOCKS2 $FREE_BLOCKS3 $FREE_BLOCKS4 + +_within_tolerance "free blocks after reflinking" $FREE_BLOCKS1 $((FREE_BLOCKS0 - BLKS)) $MARGIN -v + +_within_tolerance "free blocks after partially CoWing some copies" $FREE_BLOCKS2 $((FREE_BLOCKS1 - (2 * BLKS))) $MARGIN -v + +_within_tolerance "free blocks after CoWing all copies" $FREE_BLOCKS3 $((FREE_BLOCKS2 - BLKS)) $MARGIN -v + +_within_tolerance "free blocks after overwriting original" $FREE_BLOCKS4 $FREE_BLOCKS3 $MARGIN -v + +_within_tolerance "free blocks after all tests" $FREE_BLOCKS4 $((FREE_BLOCKS0 - (4 * BLKS))) $MARGIN -v + +# success, all done +status=0 +exit diff --git a/tests/generic/154.out b/tests/generic/154.out new file mode 100644 index 0000000..726b819 --- /dev/null +++ b/tests/generic/154.out @@ -0,0 +1,11 @@ +QA output created by 154 +Create the original file blocks +Create the reflink copies +Rewrite some of the blocks +Rewrite all the files +Rewrite the original file +free blocks after reflinking is in range +free blocks after partially CoWing some copies is in range +free blocks after CoWing all copies is in range +free blocks after overwriting original is in range +free blocks after all tests is in range diff --git a/tests/generic/155 b/tests/generic/155 new file mode 100755 index 0000000..2551295 --- /dev/null +++ b/tests/generic/155 @@ -0,0 +1,114 @@ +#! /bin/bash +# FS QA Test No. 155 +# +# Ensure that CoW on all copies of a file reflinked N times increases block count +# - Record fs block usage (0) +# - Create a file and some reflink copies +# - Record fs block usage (1) +# - CoW some blocks of the copies +# - Record fs block usage (2) +# - CoW all the rest of the blocks of the copies +# - Compare fs block usage to (2), (1), and (0) +# +# The main difference from 834 is that we use zero range, directio, and +# mmap to mix things up a bit. +# +#----------------------------------------------------------------------- +# Copyright (c) 2015, 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 / + rm -rf "$tmp".* "$TESTDIR" +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_test_reflink +_require_cp_reflink +_require_xfs_io_command "fzero" + +rm -f "$seqres.full" + +TESTDIR=$TEST_DIR/test-$seq +rm -rf $TESTDIR +mkdir $TESTDIR + +echo "Create the original file blocks" +BLKSZ="$(stat -f "$TESTDIR" -c '%S')" +BLKS=2000 +MARGIN=100 +SZ=$((BLKSZ * BLKS)) +FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f') +NR=4 +_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full" +_test_remount + +echo "Create the reflink copies" +for i in `seq 2 $NR`; do + _cp_reflink "$TESTDIR/file1" "$TESTDIR/file$i" +done +_test_remount +FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f') + +echo "Rewrite some of the blocks" +"$XFS_IO_PROG" -f -c "fzero 0 $SZ" "$TESTDIR/file2" >> "$seqres.full" +_pwrite_byte 0x63 0 $((SZ / 2)) "$TESTDIR/file3" -d >> "$seqres.full" +_mwrite_byte 0x64 $((SZ / 2)) $((SZ / 2)) $SZ "$TESTDIR/file4" >> "$seqres.full" +_test_remount +FREE_BLOCKS2=$(stat -f "$TESTDIR" -c '%f') + +echo "Rewrite all the files" +_pwrite_byte 0x62 0 $SZ "$TESTDIR/file2" -d >> "$seqres.full" +_mwrite_byte 0x63 0 $SZ $SZ "$TESTDIR/file3" >> "$seqres.full" +"$XFS_IO_PROG" -f -c "fzero 0 $SZ" $TESTDIR/file4 >> "$seqres.full" +_test_remount +FREE_BLOCKS3=$(stat -f "$TESTDIR" -c '%f') + +echo "Rewrite the original file" +_pwrite_byte 0x65 0 $SZ "$TESTDIR/file1" >> "$seqres.full" +_test_remount +FREE_BLOCKS4=$(stat -f "$TESTDIR" -c '%f') +#echo $FREE_BLOCKS0 $FREE_BLOCKS1 $FREE_BLOCKS2 $FREE_BLOCKS3 $FREE_BLOCKS4 + +_within_tolerance "free blocks after reflinking" $FREE_BLOCKS1 $((FREE_BLOCKS0 - BLKS)) $MARGIN -v + +_within_tolerance "free blocks after partially CoWing some copies" $FREE_BLOCKS2 $((FREE_BLOCKS1 - (2 * BLKS))) $MARGIN -v + +_within_tolerance "free blocks after CoWing all copies" $FREE_BLOCKS3 $((FREE_BLOCKS2 - BLKS)) $MARGIN -v + +_within_tolerance "free blocks after overwriting original" $FREE_BLOCKS4 $FREE_BLOCKS3 $MARGIN -v + +_within_tolerance "free blocks after all tests" $FREE_BLOCKS4 $((FREE_BLOCKS0 - (4 * BLKS))) $MARGIN -v + +# success, all done +status=0 +exit diff --git a/tests/generic/155.out b/tests/generic/155.out new file mode 100644 index 0000000..efb8faf --- /dev/null +++ b/tests/generic/155.out @@ -0,0 +1,11 @@ +QA output created by 155 +Create the original file blocks +Create the reflink copies +Rewrite some of the blocks +Rewrite all the files +Rewrite the original file +free blocks after reflinking is in range +free blocks after partially CoWing some copies is in range +free blocks after CoWing all copies is in range +free blocks after overwriting original is in range +free blocks after all tests is in range diff --git a/tests/generic/156 b/tests/generic/156 new file mode 100755 index 0000000..78b7e8c --- /dev/null +++ b/tests/generic/156 @@ -0,0 +1,124 @@ +#! /bin/bash +# FS QA Test No. 156 +# +# Ensure that fallocate on reflinked files actually CoWs the shared blocks. +# - Record fs block usage (0) +# - Create a file and some reflink copies +# - Record fs block usage (1) +# - funshare half of one of the copies +# - Record fs block usage (2) +# - funshare all of the copies +# - Record fs block usage (3) +# - rewrite the original file +# - Record fs block usage (4) +# - Compare fs block usage of 0-4 to ensure that block usage behaves as +# we expect. +# +# "funshare" refers to fallocate copy-on-writing the shared blocks +# +#----------------------------------------------------------------------- +# Copyright (c) 2015, 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 / + rm -rf "$tmp".* "$TESTDIR" +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/attr +. ./common/reflink + +if [ $FSTYP = "btrfs" ]; then + _notrun "btrfs doesn't handle unshare on fallocate" +fi + +# real QA test starts here +_supported_os Linux +_require_test_reflink +_require_cp_reflink +_require_xfs_io_command "falloc" + +rm -f "$seqres.full" + +TESTDIR="$TEST_DIR/test-$seq" +rm -rf "$TESTDIR" +mkdir "$TESTDIR" + +echo "Create the original file blocks" +BLKSZ="$(stat -f "$TESTDIR" -c '%S')" +BLKS=2000 +MARGIN=100 +SZ=$((BLKSZ * BLKS)) +FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f') +NR=4 +_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full" +_test_remount + +echo "Create the reflink copies" +for i in `seq 2 $NR`; do + _cp_reflink "$TESTDIR/file1" "$TESTDIR/file$i" +done +_test_remount +FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f') + +echo "funshare part of a file" +"$XFS_IO_PROG" -f -c "falloc 0 $((SZ / 2))" "$TESTDIR/file2" +_test_remount + +echo "funshare some of the copies" +"$XFS_IO_PROG" -f -c "falloc 0 $SZ" "$TESTDIR/file2" +"$XFS_IO_PROG" -f -c "falloc 0 $SZ" "$TESTDIR/file3" +_test_remount +FREE_BLOCKS2=$(stat -f "$TESTDIR" -c '%f') + +echo "funshare the rest of the files" +"$XFS_IO_PROG" -f -c "falloc 0 $SZ" "$TESTDIR/file4" +"$XFS_IO_PROG" -f -c "falloc 0 $SZ" "$TESTDIR/file1" +_test_remount +FREE_BLOCKS3=$(stat -f "$TESTDIR" -c '%f') + +echo "Rewrite the original file" +_pwrite_byte 0x65 0 $SZ "$TESTDIR/file1" >> "$seqres.full" +_test_remount +FREE_BLOCKS4=$(stat -f "$TESTDIR" -c '%f') +#echo $FREE_BLOCKS0 $FREE_BLOCKS1 $FREE_BLOCKS2 $FREE_BLOCKS3 $FREE_BLOCKS4 + +_within_tolerance "free blocks after reflinking" $FREE_BLOCKS1 $((FREE_BLOCKS0 - BLKS)) $MARGIN -v + +_within_tolerance "free blocks after nocow'ing some copies" $FREE_BLOCKS2 $((FREE_BLOCKS1 - (2 * BLKS))) $MARGIN -v + +_within_tolerance "free blocks after nocow'ing all copies" $FREE_BLOCKS3 $((FREE_BLOCKS2 - BLKS)) $MARGIN -v + +_within_tolerance "free blocks after overwriting original" $FREE_BLOCKS4 $FREE_BLOCKS3 $MARGIN -v + +_within_tolerance "free blocks after all tests" $FREE_BLOCKS4 $((FREE_BLOCKS0 - (4 * BLKS))) $MARGIN -v + +# success, all done +status=0 +exit diff --git a/tests/generic/156.out b/tests/generic/156.out new file mode 100644 index 0000000..d6fdc81 --- /dev/null +++ b/tests/generic/156.out @@ -0,0 +1,12 @@ +QA output created by 156 +Create the original file blocks +Create the reflink copies +funshare part of a file +funshare some of the copies +funshare the rest of the files +Rewrite the original file +free blocks after reflinking is in range +free blocks after nocow'ing some copies is in range +free blocks after nocow'ing all copies is in range +free blocks after overwriting original is in range +free blocks after all tests is in range diff --git a/tests/generic/group b/tests/generic/group index 477c52b..3141ae5 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -152,6 +152,13 @@ 147 auto quick clone 148 auto quick clone 149 auto quick clone +150 auto quick clone +151 auto quick clone +152 auto quick clone +153 auto quick clone +154 auto quick clone +155 auto quick clone +156 auto quick clone 169 rw metadata auto quick 184 metadata auto quick 192 atime auto