From patchwork Wed Nov 11 19:27:17 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: 7597621 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 0CF539F1C2 for ; Wed, 11 Nov 2015 19:34:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B729C20306 for ; Wed, 11 Nov 2015 19:34:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 382942060F for ; Wed, 11 Nov 2015 19:33:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752285AbbKKTbS (ORCPT ); Wed, 11 Nov 2015 14:31:18 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:34777 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752517AbbKKT1q (ORCPT ); Wed, 11 Nov 2015 14:27:46 -0500 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 tABJRJgp030869 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 11 Nov 2015 19:27:20 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id tABJRJGX024289 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Wed, 11 Nov 2015 19:27:19 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id tABJRJ6K002169; Wed, 11 Nov 2015 19:27:19 GMT Received: from localhost (/24.21.154.84) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 11 Nov 2015 11:27:18 -0800 Subject: [PATCH 07/11] reflink: test accuracy of free block counts From: "Darrick J. Wong" To: hch@infradead.org, david@fromorbit.com, darrick.wong@oracle.com Cc: fstests@vger.kernel.org, xfs@oss.sgi.com, tao.peng@primarydata.com, linux-ext4@vger.kernel.org, Anna.Schumaker@netapp.com, linux-btrfs@vger.kernel.org Date: Wed, 11 Nov 2015 11:27:17 -0800 Message-ID: <20151111192717.15056.86798.stgit@birch.djwong.org> In-Reply-To: <20151111192628.15056.6451.stgit@birch.djwong.org> References: <20151111192628.15056.6451.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-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/830 | 78 ++++++++++++++++++++++++++++++ tests/generic/830.out | 4 ++ tests/generic/831 | 98 +++++++++++++++++++++++++++++++++++++ tests/generic/831.out | 8 +++ tests/generic/832 | 103 +++++++++++++++++++++++++++++++++++++++ tests/generic/832.out | 8 +++ tests/generic/833 | 102 +++++++++++++++++++++++++++++++++++++++ tests/generic/833.out | 8 +++ tests/generic/834 | 110 ++++++++++++++++++++++++++++++++++++++++++ tests/generic/834.out | 11 ++++ tests/generic/835 | 114 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/835.out | 11 ++++ tests/generic/836 | 129 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/836.out | 32 ++++++++++++ tests/generic/group | 7 +++ 15 files changed, 823 insertions(+) create mode 100755 tests/generic/830 create mode 100644 tests/generic/830.out create mode 100755 tests/generic/831 create mode 100644 tests/generic/831.out create mode 100755 tests/generic/832 create mode 100644 tests/generic/832.out create mode 100755 tests/generic/833 create mode 100644 tests/generic/833.out create mode 100755 tests/generic/834 create mode 100644 tests/generic/834.out create mode 100755 tests/generic/835 create mode 100644 tests/generic/835.out create mode 100755 tests/generic/836 create mode 100644 tests/generic/836.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/830 b/tests/generic/830 new file mode 100755 index 0000000..d85bacf --- /dev/null +++ b/tests/generic/830 @@ -0,0 +1,78 @@ +#! /bin/bash +# FS QA Test No. 830 +# +# 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/830.out b/tests/generic/830.out new file mode 100644 index 0000000..76e2f1d --- /dev/null +++ b/tests/generic/830.out @@ -0,0 +1,4 @@ +QA output created by 830 +Create the original file blocks +Create the reflink copies +free blocks after reflink is in range diff --git a/tests/generic/831 b/tests/generic/831 new file mode 100755 index 0000000..d729769 --- /dev/null +++ b/tests/generic/831 @@ -0,0 +1,98 @@ +#! /bin/bash +# FS QA Test No. 831 +# +# 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/831.out b/tests/generic/831.out new file mode 100644 index 0000000..88e0a23 --- /dev/null +++ b/tests/generic/831.out @@ -0,0 +1,8 @@ +QA output created by 831 +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/832 b/tests/generic/832 new file mode 100755 index 0000000..4f12b77 --- /dev/null +++ b/tests/generic/832 @@ -0,0 +1,103 @@ +#! /bin/bash +# FS QA Test No. 832 +# +# 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/832.out b/tests/generic/832.out new file mode 100644 index 0000000..bb95578 --- /dev/null +++ b/tests/generic/832.out @@ -0,0 +1,8 @@ +QA output created by 832 +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/833 b/tests/generic/833 new file mode 100755 index 0000000..07dfabf --- /dev/null +++ b/tests/generic/833 @@ -0,0 +1,102 @@ +#! /bin/bash +# FS QA Test No. 833 +# +# 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/833.out b/tests/generic/833.out new file mode 100644 index 0000000..a9a2941 --- /dev/null +++ b/tests/generic/833.out @@ -0,0 +1,8 @@ +QA output created by 833 +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/834 b/tests/generic/834 new file mode 100755 index 0000000..d24dfa5 --- /dev/null +++ b/tests/generic/834 @@ -0,0 +1,110 @@ +#! /bin/bash +# FS QA Test No. 834 +# +# 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/834.out b/tests/generic/834.out new file mode 100644 index 0000000..e67e803 --- /dev/null +++ b/tests/generic/834.out @@ -0,0 +1,11 @@ +QA output created by 834 +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/835 b/tests/generic/835 new file mode 100755 index 0000000..881063b --- /dev/null +++ b/tests/generic/835 @@ -0,0 +1,114 @@ +#! /bin/bash +# FS QA Test No. 835 +# +# 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/835.out b/tests/generic/835.out new file mode 100644 index 0000000..c1103be --- /dev/null +++ b/tests/generic/835.out @@ -0,0 +1,11 @@ +QA output created by 835 +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/836 b/tests/generic/836 new file mode 100755 index 0000000..2e0639f --- /dev/null +++ b/tests/generic/836 @@ -0,0 +1,129 @@ +#! /bin/bash +# FS QA Test No. 836 +# +# 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') +lsattr -l $TESTDIR/ | _filter_test_dir + +echo "funshare part of a file" +"$XFS_IO_PROG" -f -c "falloc 0 $((SZ / 2))" "$TESTDIR/file2" +_test_remount +lsattr -l $TESTDIR/ | _filter_test_dir + +echo "funshare some of the copies" +"$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') +lsattr -l $TESTDIR/ | _filter_test_dir + +echo "funshare the rest of the files" +"$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') +lsattr -l $TESTDIR/ | _filter_test_dir + +echo "Rewrite the original file" +_pwrite_byte 0x65 0 $SZ "$TESTDIR/file1" >> "$seqres.full" +_test_remount +FREE_BLOCKS4=$(stat -f "$TESTDIR" -c '%f') +lsattr -l $TESTDIR/ | _filter_test_dir +#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/836.out b/tests/generic/836.out new file mode 100644 index 0000000..45f7750 --- /dev/null +++ b/tests/generic/836.out @@ -0,0 +1,32 @@ +QA output created by 836 +Create the original file blocks +Create the reflink copies +TEST_DIR/test-836/file1 --- +TEST_DIR/test-836/file2 --- +TEST_DIR/test-836/file3 --- +TEST_DIR/test-836/file4 --- +funshare part of a file +TEST_DIR/test-836/file1 --- +TEST_DIR/test-836/file2 --- +TEST_DIR/test-836/file3 --- +TEST_DIR/test-836/file4 --- +funshare some of the copies +TEST_DIR/test-836/file1 --- +TEST_DIR/test-836/file2 No_COW +TEST_DIR/test-836/file3 No_COW +TEST_DIR/test-836/file4 --- +funshare the rest of the files +TEST_DIR/test-836/file1 No_COW +TEST_DIR/test-836/file2 No_COW +TEST_DIR/test-836/file3 No_COW +TEST_DIR/test-836/file4 No_COW +Rewrite the original file +TEST_DIR/test-836/file1 No_COW +TEST_DIR/test-836/file2 No_COW +TEST_DIR/test-836/file3 No_COW +TEST_DIR/test-836/file4 No_COW +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 0c137ea..9b57872 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -237,5 +237,12 @@ 827 auto quick clone 828 auto quick clone 829 auto quick clone +830 auto quick clone +831 auto quick clone +832 auto quick clone +833 auto quick clone +834 auto quick clone +835 auto quick clone +836 auto quick clone 837 auto quick clone 838 auto quick clone