From nobody Sun May 4 20:48:19 2025
Delivered-To: importer@patchew.org
Authentication-Results: mx.zohomail.com;
dkim=pass;
spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as
permitted sender)
smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org;
dmarc=pass(p=none dis=none) header.from=redhat.com
ARC-Seal: i=1; a=rsa-sha256; t=1588262991; cv=none;
d=zohomail.com; s=zohoarc;
b=cNRYkOtIRnMVxeMWrJVQAOnpz2T97VKnwubEyGk21gDkVrE/8y9bFmFfQrqLS34a+WwPkWZsKotErphE7wvX4zoD/N85WhAJRjP2pDz7h/PRJSuk1cDxihYdwGMbou5+hMUqZk5PoscPVjEq9JhNyai0QU1Ye9H7BAohtV6Qn6M=
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com;
s=zohoarc;
t=1588262991;
h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To;
bh=MzKCw+CvacQBEEtpOEkGsJA6GH7v/lM0D8gmEN1On64=;
b=KpHP01raZEt2sAnJ9b6XcW2zOv5/tHYw/bqRSuaBuEqZdDaksCsZf/1r2Mv1aTug7BmqDfr/DfAWslqnnfxQ7gO2LyS5lar++cNeDXcAQt9R+NrMrsmoKwC2tMTZYsTgLHpVO14/ocoyCPw9eL09MGJD1Fv78MsagqMCgUc8ysM=
ARC-Authentication-Results: i=1; mx.zohomail.com;
dkim=pass;
spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as
permitted sender)
smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org;
dmarc=pass header.from=<kwolf@redhat.com> (p=none dis=none)
header.from=<kwolf@redhat.com>
Return-Path: <qemu-devel-bounces+importer=patchew.org@nongnu.org>
Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by
mx.zohomail.com
with SMTPS id 1588262991554276.11858810024137;
Thu, 30 Apr 2020 09:09:51 -0700 (PDT)
Received: from localhost ([::1]:51124 helo=lists1p.gnu.org)
by lists.gnu.org with esmtp (Exim 4.90_1)
(envelope-from <qemu-devel-bounces+importer=patchew.org@nongnu.org>)
id 1jUBkz-0005D8-Vt
for importer@patchew.org; Thu, 30 Apr 2020 12:09:50 -0400
Received: from eggs.gnu.org ([2001:470:142:3::10]:44774)
by lists.gnu.org with esmtp (Exim 4.90_1)
(envelope-from <kwolf@redhat.com>) id 1jUBWw-0007pm-E7
for qemu-devel@nongnu.org; Thu, 30 Apr 2020 11:56:37 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.90_1)
(envelope-from <kwolf@redhat.com>) id 1jUBUz-0003x0-1z
for qemu-devel@nongnu.org; Thu, 30 Apr 2020 11:55:18 -0400
Received: from us-smtp-2.mimecast.com ([207.211.31.81]:49727
helo=us-smtp-delivery-1.mimecast.com)
by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256)
(Exim 4.90_1) (envelope-from <kwolf@redhat.com>) id 1jUBUy-0003rq-Je
for qemu-devel@nongnu.org; Thu, 30 Apr 2020 11:53:16 -0400
Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com
[209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id
us-mta-479-qT7fft1UOUiPjgENgZ7a2Q-1; Thu, 30 Apr 2020 11:53:11 -0400
Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com
[10.5.11.12])
(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
(No client certificate requested)
by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A7BB0462;
Thu, 30 Apr 2020 15:53:10 +0000 (UTC)
Received: from linux.fritz.box.com (ovpn-114-60.ams2.redhat.com
[10.36.114.60])
by smtp.corp.redhat.com (Postfix) with ESMTP id DCD7460C84;
Thu, 30 Apr 2020 15:53:08 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;
s=mimecast20190719; t=1588261995;
h=from:from:reply-to:subject:subject:date:date:message-id:message-id:
to:to:cc:cc:mime-version:mime-version:content-type:content-type:
content-transfer-encoding:content-transfer-encoding:
in-reply-to:in-reply-to:references:references;
bh=MzKCw+CvacQBEEtpOEkGsJA6GH7v/lM0D8gmEN1On64=;
b=boJQzy/1oUrotbZf8pk5gx0L1M1+2goybPs4pu/thfQIYZXuHDMqvGeI3zgyx0n99u0eXc
QeHrZDbUi34sxzBRbDch8iUXNI3dyxR5TjM9zOm3+3Od+4GHSYQ3KOB9COUla9FmsfhYaU
EysobyjShrQ4sLX7ZjSoDES8ykMCLh8=
X-MC-Unique: qT7fft1UOUiPjgENgZ7a2Q-1
From: Kevin Wolf <kwolf@redhat.com>
To: qemu-block@nongnu.org
Subject: [PULL 11/15] iotests: Test committing to short backing file
Date: Thu, 30 Apr 2020 17:52:27 +0200
Message-Id: <20200430155231.473156-12-kwolf@redhat.com>
In-Reply-To: <20200430155231.473156-1-kwolf@redhat.com>
References: <20200430155231.473156-1-kwolf@redhat.com>
MIME-Version: 1.0
X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12
X-Mimecast-Spam-Score: 0
X-Mimecast-Originator: redhat.com
Content-Transfer-Encoding: quoted-printable
Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17
as permitted sender) client-ip=209.51.188.17;
envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org;
helo=lists.gnu.org;
Received-SPF: pass client-ip=207.211.31.81; envelope-from=kwolf@redhat.com;
helo=us-smtp-delivery-1.mimecast.com
X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/30 01:31:09
X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy]
X-Received-From: 207.211.31.81
X-BeenThere: qemu-devel@nongnu.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
Cc: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org
Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org
Sender: "Qemu-devel" <qemu-devel-bounces+importer=patchew.org@nongnu.org>
X-ZohoMail-DKIM: pass (identity @redhat.com)
Content-Type: text/plain; charset="utf-8"
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200424125448.63318-10-kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
tests/qemu-iotests/274 | 155 +++++++++++++++++++++
tests/qemu-iotests/274.out | 268 +++++++++++++++++++++++++++++++++++++
tests/qemu-iotests/group | 1 +
3 files changed, 424 insertions(+)
create mode 100755 tests/qemu-iotests/274
create mode 100644 tests/qemu-iotests/274.out
diff --git a/tests/qemu-iotests/274 b/tests/qemu-iotests/274
new file mode 100755
index 0000000000..e951f723b8
--- /dev/null
+++ b/tests/qemu-iotests/274
@@ -0,0 +1,155 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2019 Red Hat, Inc.
+#
+# 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; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will 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, see <http://www.gnu.org/licenses/>.
+#
+# Creator/Owner: Kevin Wolf <kwolf@redhat.com>
+#
+# Some tests for short backing files and short overlays
+
+import iotests
+
+iotests.verify_image_format(supported_fmts=3D['qcow2'])
+iotests.verify_platform(['linux'])
+
+size_short =3D 1 * 1024 * 1024
+size_long =3D 2 * 1024 * 1024
+size_diff =3D size_long - size_short
+
+def create_chain() -> None:
+ iotests.qemu_img_log('create', '-f', iotests.imgfmt, base,
+ str(size_long))
+ iotests.qemu_img_log('create', '-f', iotests.imgfmt, '-b', base, mid,
+ str(size_short))
+ iotests.qemu_img_log('create', '-f', iotests.imgfmt, '-b', mid, top,
+ str(size_long))
+
+ iotests.qemu_io_log('-c', 'write -P 1 0 %d' % size_long, base)
+
+def create_vm() -> iotests.VM:
+ vm =3D iotests.VM()
+ vm.add_blockdev('file,filename=3D%s,node-name=3Dbase-file' % base)
+ vm.add_blockdev('%s,file=3Dbase-file,node-name=3Dbase' % iotests.imgfm=
t)
+ vm.add_blockdev('file,filename=3D%s,node-name=3Dmid-file' % mid)
+ vm.add_blockdev('%s,file=3Dmid-file,node-name=3Dmid,backing=3Dbase'
+ % iotests.imgfmt)
+ vm.add_drive(top, 'backing=3Dmid,node-name=3Dtop')
+ return vm
+
+with iotests.FilePath('base') as base, \
+ iotests.FilePath('mid') as mid, \
+ iotests.FilePath('top') as top:
+
+ iotests.log('=3D=3D Commit tests =3D=3D')
+
+ create_chain()
+
+ iotests.log('=3D=3D=3D Check visible data =3D=3D=3D')
+
+ iotests.qemu_io_log('-c', 'read -P 1 0 %d' % size_short, top)
+ iotests.qemu_io_log('-c', 'read -P 0 %d %d' % (size_short, size_diff),=
top)
+
+ iotests.log('=3D=3D=3D Checking allocation status =3D=3D=3D')
+
+ iotests.qemu_io_log('-c', 'alloc 0 %d' % size_short,
+ '-c', 'alloc %d %d' % (size_short, size_diff),
+ base)
+
+ iotests.qemu_io_log('-c', 'alloc 0 %d' % size_short,
+ '-c', 'alloc %d %d' % (size_short, size_diff),
+ mid)
+
+ iotests.qemu_io_log('-c', 'alloc 0 %d' % size_short,
+ '-c', 'alloc %d %d' % (size_short, size_diff),
+ top)
+
+ iotests.log('=3D=3D=3D Checking map =3D=3D=3D')
+
+ iotests.qemu_img_log('map', '--output=3Djson', base)
+ iotests.qemu_img_log('map', '--output=3Dhuman', base)
+ iotests.qemu_img_log('map', '--output=3Djson', mid)
+ iotests.qemu_img_log('map', '--output=3Dhuman', mid)
+ iotests.qemu_img_log('map', '--output=3Djson', top)
+ iotests.qemu_img_log('map', '--output=3Dhuman', top)
+
+ iotests.log('=3D=3D=3D Testing qemu-img commit (top -> mid) =3D=3D=3D')
+
+ iotests.qemu_img_log('commit', top)
+ iotests.img_info_log(mid)
+ iotests.qemu_io_log('-c', 'read -P 1 0 %d' % size_short, mid)
+ iotests.qemu_io_log('-c', 'read -P 0 %d %d' % (size_short, size_diff),=
mid)
+
+ iotests.log('=3D=3D=3D Testing HMP commit (top -> mid) =3D=3D=3D')
+
+ create_chain()
+ with create_vm() as vm:
+ vm.launch()
+ vm.qmp_log('human-monitor-command', command_line=3D'commit drive0')
+
+ iotests.img_info_log(mid)
+ iotests.qemu_io_log('-c', 'read -P 1 0 %d' % size_short, mid)
+ iotests.qemu_io_log('-c', 'read -P 0 %d %d' % (size_short, size_diff),=
mid)
+
+ iotests.log('=3D=3D=3D Testing QMP active commit (top -> mid) =3D=3D=
=3D')
+
+ create_chain()
+ with create_vm() as vm:
+ vm.launch()
+ vm.qmp_log('block-commit', device=3D'top', base_node=3D'mid',
+ job_id=3D'job0', auto_dismiss=3DFalse)
+ vm.run_job('job0', wait=3D5)
+
+ iotests.img_info_log(mid)
+ iotests.qemu_io_log('-c', 'read -P 1 0 %d' % size_short, mid)
+ iotests.qemu_io_log('-c', 'read -P 0 %d %d' % (size_short, size_diff),=
mid)
+
+
+ iotests.log('=3D=3D Resize tests =3D=3D')
+
+ # Use different sizes for different allocation modes:
+ #
+ # We want to have at least one test where 32 bit truncation in the siz=
e of
+ # the overlapping area becomes visible. This is covered by the
+ # prealloc=3D'off' case (1G to 6G is an overlap of 5G).
+ #
+ # However, we can only do this for modes that don't preallocate data
+ # because otherwise we might run out of space on the test host.
+ #
+ # We also want to test some unaligned combinations.
+ for (prealloc, base_size, top_size_old, top_size_new, off) in [
+ ('off', '6G', '1G', '8G', '5G'),
+ ('metadata', '32G', '30G', '33G', '31G'),
+ ('falloc', '10M', '5M', '15M', '9M'),
+ ('full', '16M', '8M', '12M', '11M'),
+ ('off', '384k', '253k', '512k', '253k'),
+ ('off', '400k', '256k', '512k', '336k'),
+ ('off', '512k', '256k', '500k', '436k')]:
+
+ iotests.log('=3D=3D=3D preallocation=3D%s =3D=3D=3D' % prealloc)
+ iotests.qemu_img_log('create', '-f', iotests.imgfmt, base, base_si=
ze)
+ iotests.qemu_img_log('create', '-f', iotests.imgfmt, '-b', base, t=
op,
+ top_size_old)
+ iotests.qemu_io_log('-c', 'write -P 1 %s 64k' % off, base)
+
+ # After this, top_size_old to base_size should be allocated/zeroed.
+ #
+ # In theory, leaving base_size to top_size_new unallocated would be
+ # correct, but in practice, if we zero out anything, we zero out
+ # everything up to top_size_new.
+ iotests.qemu_img_log('resize', '-f', iotests.imgfmt,
+ '--preallocation', prealloc, top, top_size_ne=
w)
+ iotests.qemu_io_log('-c', 'read -P 0 %s 64k' % off, top)
+ iotests.qemu_io_log('-c', 'map', top)
+ iotests.qemu_img_log('map', '--output=3Djson', top)
diff --git a/tests/qemu-iotests/274.out b/tests/qemu-iotests/274.out
new file mode 100644
index 0000000000..1a796fd07c
--- /dev/null
+++ b/tests/qemu-iotests/274.out
@@ -0,0 +1,268 @@
+=3D=3D Commit tests =3D=3D
+Formatting 'TEST_DIR/PID-base', fmt=3Dqcow2 size=3D2097152 cluster_size=3D=
65536 lazy_refcounts=3Doff refcount_bits=3D16
+
+Formatting 'TEST_DIR/PID-mid', fmt=3Dqcow2 size=3D1048576 backing_file=3DT=
EST_DIR/PID-base cluster_size=3D65536 lazy_refcounts=3Doff refcount_bits=3D=
16
+
+Formatting 'TEST_DIR/PID-top', fmt=3Dqcow2 size=3D2097152 backing_file=3DT=
EST_DIR/PID-mid cluster_size=3D65536 lazy_refcounts=3Doff refcount_bits=3D16
+
+wrote 2097152/2097152 bytes at offset 0
+2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+=3D=3D=3D Check visible data =3D=3D=3D
+read 1048576/1048576 bytes at offset 0
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+read 1048576/1048576 bytes at offset 1048576
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+=3D=3D=3D Checking allocation status =3D=3D=3D
+1048576/1048576 bytes allocated at offset 0 bytes
+1048576/1048576 bytes allocated at offset 1 MiB
+
+0/1048576 bytes allocated at offset 0 bytes
+0/0 bytes allocated at offset 1 MiB
+
+0/1048576 bytes allocated at offset 0 bytes
+0/1048576 bytes allocated at offset 1 MiB
+
+=3D=3D=3D Checking map =3D=3D=3D
+[{ "start": 0, "length": 2097152, "depth": 0, "zero": false, "data": true,=
"offset": 327680}]
+
+Offset Length Mapped to File
+0 0x200000 0x50000 TEST_DIR/PID-base
+
+[{ "start": 0, "length": 1048576, "depth": 1, "zero": false, "data": true,=
"offset": 327680}]
+
+Offset Length Mapped to File
+0 0x100000 0x50000 TEST_DIR/PID-base
+
+[{ "start": 0, "length": 1048576, "depth": 2, "zero": false, "data": true,=
"offset": 327680},
+{ "start": 1048576, "length": 1048576, "depth": 0, "zero": true, "data": f=
alse}]
+
+Offset Length Mapped to File
+0 0x100000 0x50000 TEST_DIR/PID-base
+
+=3D=3D=3D Testing qemu-img commit (top -> mid) =3D=3D=3D
+Image committed.
+
+image: TEST_IMG
+file format: IMGFMT
+virtual size: 2 MiB (2097152 bytes)
+cluster_size: 65536
+backing file: TEST_DIR/PID-base
+Format specific information:
+ compat: 1.1
+ lazy refcounts: false
+ refcount bits: 16
+ corrupt: false
+
+read 1048576/1048576 bytes at offset 0
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+read 1048576/1048576 bytes at offset 1048576
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+=3D=3D=3D Testing HMP commit (top -> mid) =3D=3D=3D
+Formatting 'TEST_DIR/PID-base', fmt=3Dqcow2 size=3D2097152 cluster_size=3D=
65536 lazy_refcounts=3Doff refcount_bits=3D16
+
+Formatting 'TEST_DIR/PID-mid', fmt=3Dqcow2 size=3D1048576 backing_file=3DT=
EST_DIR/PID-base cluster_size=3D65536 lazy_refcounts=3Doff refcount_bits=3D=
16
+
+Formatting 'TEST_DIR/PID-top', fmt=3Dqcow2 size=3D2097152 backing_file=3DT=
EST_DIR/PID-mid cluster_size=3D65536 lazy_refcounts=3Doff refcount_bits=3D16
+
+wrote 2097152/2097152 bytes at offset 0
+2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+{"execute": "human-monitor-command", "arguments": {"command-line": "commit=
drive0"}}
+{"return": ""}
+image: TEST_IMG
+file format: IMGFMT
+virtual size: 2 MiB (2097152 bytes)
+cluster_size: 65536
+backing file: TEST_DIR/PID-base
+Format specific information:
+ compat: 1.1
+ lazy refcounts: false
+ refcount bits: 16
+ corrupt: false
+
+read 1048576/1048576 bytes at offset 0
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+read 1048576/1048576 bytes at offset 1048576
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+=3D=3D=3D Testing QMP active commit (top -> mid) =3D=3D=3D
+Formatting 'TEST_DIR/PID-base', fmt=3Dqcow2 size=3D2097152 cluster_size=3D=
65536 lazy_refcounts=3Doff refcount_bits=3D16
+
+Formatting 'TEST_DIR/PID-mid', fmt=3Dqcow2 size=3D1048576 backing_file=3DT=
EST_DIR/PID-base cluster_size=3D65536 lazy_refcounts=3Doff refcount_bits=3D=
16
+
+Formatting 'TEST_DIR/PID-top', fmt=3Dqcow2 size=3D2097152 backing_file=3DT=
EST_DIR/PID-mid cluster_size=3D65536 lazy_refcounts=3Doff refcount_bits=3D16
+
+wrote 2097152/2097152 bytes at offset 0
+2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+{"execute": "block-commit", "arguments": {"auto-dismiss": false, "base-nod=
e": "mid", "device": "top", "job-id": "job0"}}
+{"return": {}}
+{"execute": "job-complete", "arguments": {"id": "job0"}}
+{"return": {}}
+{"data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "co=
mmit"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", =
"seconds": "SECS"}}
+{"data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "co=
mmit"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USEC=
S", "seconds": "SECS"}}
+{"execute": "job-dismiss", "arguments": {"id": "job0"}}
+{"return": {}}
+image: TEST_IMG
+file format: IMGFMT
+virtual size: 2 MiB (2097152 bytes)
+cluster_size: 65536
+backing file: TEST_DIR/PID-base
+Format specific information:
+ compat: 1.1
+ lazy refcounts: false
+ refcount bits: 16
+ corrupt: false
+
+read 1048576/1048576 bytes at offset 0
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+read 1048576/1048576 bytes at offset 1048576
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+=3D=3D Resize tests =3D=3D
+=3D=3D=3D preallocation=3Doff =3D=3D=3D
+Formatting 'TEST_DIR/PID-base', fmt=3Dqcow2 size=3D6442450944 cluster_size=
=3D65536 lazy_refcounts=3Doff refcount_bits=3D16
+
+Formatting 'TEST_DIR/PID-top', fmt=3Dqcow2 size=3D1073741824 backing_file=
=3DTEST_DIR/PID-base cluster_size=3D65536 lazy_refcounts=3Doff refcount_bit=
s=3D16
+
+wrote 65536/65536 bytes at offset 5368709120
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+Image resized.
+
+read 65536/65536 bytes at offset 5368709120
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+1 GiB (0x40000000) bytes not allocated at offset 0 bytes (0x0)
+7 GiB (0x1c0000000) bytes allocated at offset 1 GiB (0x40000000)
+
+[{ "start": 0, "length": 1073741824, "depth": 1, "zero": true, "data": fal=
se},
+{ "start": 1073741824, "length": 7516192768, "depth": 0, "zero": true, "da=
ta": false}]
+
+=3D=3D=3D preallocation=3Dmetadata =3D=3D=3D
+Formatting 'TEST_DIR/PID-base', fmt=3Dqcow2 size=3D34359738368 cluster_siz=
e=3D65536 lazy_refcounts=3Doff refcount_bits=3D16
+
+Formatting 'TEST_DIR/PID-top', fmt=3Dqcow2 size=3D32212254720 backing_file=
=3DTEST_DIR/PID-base cluster_size=3D65536 lazy_refcounts=3Doff refcount_bit=
s=3D16
+
+wrote 65536/65536 bytes at offset 33285996544
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+Image resized.
+
+read 65536/65536 bytes at offset 33285996544
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+30 GiB (0x780000000) bytes not allocated at offset 0 bytes (0x0)
+3 GiB (0xc0000000) bytes allocated at offset 30 GiB (0x780000000)
+
+[{ "start": 0, "length": 32212254720, "depth": 1, "zero": true, "data": fa=
lse},
+{ "start": 32212254720, "length": 536870912, "depth": 0, "zero": true, "da=
ta": false, "offset": 327680},
+{ "start": 32749125632, "length": 536870912, "depth": 0, "zero": true, "da=
ta": false, "offset": 537264128},
+{ "start": 33285996544, "length": 536870912, "depth": 0, "zero": true, "da=
ta": false, "offset": 1074200576},
+{ "start": 33822867456, "length": 536870912, "depth": 0, "zero": true, "da=
ta": false, "offset": 1611137024},
+{ "start": 34359738368, "length": 536870912, "depth": 0, "zero": true, "da=
ta": false, "offset": 2148139008},
+{ "start": 34896609280, "length": 536870912, "depth": 0, "zero": true, "da=
ta": false, "offset": 2685075456}]
+
+=3D=3D=3D preallocation=3Dfalloc =3D=3D=3D
+Formatting 'TEST_DIR/PID-base', fmt=3Dqcow2 size=3D10485760 cluster_size=
=3D65536 lazy_refcounts=3Doff refcount_bits=3D16
+
+Formatting 'TEST_DIR/PID-top', fmt=3Dqcow2 size=3D5242880 backing_file=3DT=
EST_DIR/PID-base cluster_size=3D65536 lazy_refcounts=3Doff refcount_bits=3D=
16
+
+wrote 65536/65536 bytes at offset 9437184
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+Image resized.
+
+read 65536/65536 bytes at offset 9437184
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+5 MiB (0x500000) bytes not allocated at offset 0 bytes (0x0)
+10 MiB (0xa00000) bytes allocated at offset 5 MiB (0x500000)
+
+[{ "start": 0, "length": 5242880, "depth": 1, "zero": true, "data": false},
+{ "start": 5242880, "length": 10485760, "depth": 0, "zero": true, "data": =
false, "offset": 327680}]
+
+=3D=3D=3D preallocation=3Dfull =3D=3D=3D
+Formatting 'TEST_DIR/PID-base', fmt=3Dqcow2 size=3D16777216 cluster_size=
=3D65536 lazy_refcounts=3Doff refcount_bits=3D16
+
+Formatting 'TEST_DIR/PID-top', fmt=3Dqcow2 size=3D8388608 backing_file=3DT=
EST_DIR/PID-base cluster_size=3D65536 lazy_refcounts=3Doff refcount_bits=3D=
16
+
+wrote 65536/65536 bytes at offset 11534336
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+Image resized.
+
+read 65536/65536 bytes at offset 11534336
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+8 MiB (0x800000) bytes not allocated at offset 0 bytes (0x0)
+4 MiB (0x400000) bytes allocated at offset 8 MiB (0x800000)
+
+[{ "start": 0, "length": 8388608, "depth": 1, "zero": true, "data": false},
+{ "start": 8388608, "length": 4194304, "depth": 0, "zero": true, "data": f=
alse, "offset": 327680}]
+
+=3D=3D=3D preallocation=3Doff =3D=3D=3D
+Formatting 'TEST_DIR/PID-base', fmt=3Dqcow2 size=3D393216 cluster_size=3D6=
5536 lazy_refcounts=3Doff refcount_bits=3D16
+
+Formatting 'TEST_DIR/PID-top', fmt=3Dqcow2 size=3D259072 backing_file=3DTE=
ST_DIR/PID-base cluster_size=3D65536 lazy_refcounts=3Doff refcount_bits=3D16
+
+wrote 65536/65536 bytes at offset 259072
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+Image resized.
+
+read 65536/65536 bytes at offset 259072
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+192 KiB (0x30000) bytes not allocated at offset 0 bytes (0x0)
+320 KiB (0x50000) bytes allocated at offset 192 KiB (0x30000)
+
+[{ "start": 0, "length": 196608, "depth": 1, "zero": true, "data": false},
+{ "start": 196608, "length": 65536, "depth": 0, "zero": false, "data": tru=
e, "offset": 327680},
+{ "start": 262144, "length": 262144, "depth": 0, "zero": true, "data": fal=
se}]
+
+=3D=3D=3D preallocation=3Doff =3D=3D=3D
+Formatting 'TEST_DIR/PID-base', fmt=3Dqcow2 size=3D409600 cluster_size=3D6=
5536 lazy_refcounts=3Doff refcount_bits=3D16
+
+Formatting 'TEST_DIR/PID-top', fmt=3Dqcow2 size=3D262144 backing_file=3DTE=
ST_DIR/PID-base cluster_size=3D65536 lazy_refcounts=3Doff refcount_bits=3D16
+
+wrote 65536/65536 bytes at offset 344064
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+Image resized.
+
+read 65536/65536 bytes at offset 344064
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+256 KiB (0x40000) bytes not allocated at offset 0 bytes (0x0)
+256 KiB (0x40000) bytes allocated at offset 256 KiB (0x40000)
+
+[{ "start": 0, "length": 262144, "depth": 1, "zero": true, "data": false},
+{ "start": 262144, "length": 262144, "depth": 0, "zero": true, "data": fal=
se}]
+
+=3D=3D=3D preallocation=3Doff =3D=3D=3D
+Formatting 'TEST_DIR/PID-base', fmt=3Dqcow2 size=3D524288 cluster_size=3D6=
5536 lazy_refcounts=3Doff refcount_bits=3D16
+
+Formatting 'TEST_DIR/PID-top', fmt=3Dqcow2 size=3D262144 backing_file=3DTE=
ST_DIR/PID-base cluster_size=3D65536 lazy_refcounts=3Doff refcount_bits=3D16
+
+wrote 65536/65536 bytes at offset 446464
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+Image resized.
+
+read 65536/65536 bytes at offset 446464
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+256 KiB (0x40000) bytes not allocated at offset 0 bytes (0x0)
+244 KiB (0x3d000) bytes allocated at offset 256 KiB (0x40000)
+
+[{ "start": 0, "length": 262144, "depth": 1, "zero": true, "data": false},
+{ "start": 262144, "length": 249856, "depth": 0, "zero": true, "data": fal=
se}]
+
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index 435dccd5af..1710470e70 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -286,6 +286,7 @@
270 rw backing quick
272 rw
273 backing quick
+274 rw backing
277 rw quick
279 rw backing quick
280 rw migration quick
--=20
2.25.3