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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1744915335; 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=ql4bxEbP2+dUcmQSrh9zv04ppkyak1jsM4syv7TsdI8=; b=jUcgRSKVdADflukf131TVZf4u8pqx0tPSqMMz2uJhiv+XttH6PS1YcmQCdtwojfn6BbWXR GF49942JOAZX+NPTnxMgpn++DUgBrkcdNhZGae70pzlexAljO3OZYO5Pg6eMxnLoNtI6Hr pNOH1/awWqYvoCTk1cIOijUOgXkeCGA= X-MC-Unique: HuR3-47_PSCYEelb_kaiLg-1 X-Mimecast-MFC-AGG-ID: HuR3-47_PSCYEelb_kaiLg_1744915331 From: Eric Blake To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, vsementsov@yandex-team.ru, Kevin Wolf , Hanna Reitz Subject: [PATCH v2 10/11] tests: Add iotest mirror-sparse for recent patches Date: Thu, 17 Apr 2025 13:39:15 -0500 Message-ID: <20250417184133.105746-23-eblake@redhat.com> In-Reply-To: <20250417184133.105746-13-eblake@redhat.com> References: <20250417184133.105746-13-eblake@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" Prove that blockdev-mirror can now result in sparse raw destination files, regardless of whether the source is raw or qcow2. By making this a separate test, it was possible to test effects of individual patches for the various pieces that all have to work together for a sparse mirror to be successful. Note that ./check -file produces different job lengths than ./check -qcow2 (the test uses a filter to normalize); that's because when deciding how much of the image to be mirrored, the code looks at how much of the source image was allocated (for qcow2, this is only the written clusters; for raw, it is the entire file). But the important part is that the destination file ends up smaller than 3M, rather than the 20M it used to be before this patch series. Signed-off-by: Eric Blake Reviewed-by: Stefan Hajnoczi --- tests/qemu-iotests/tests/mirror-sparse | 109 +++++++++++++++ tests/qemu-iotests/tests/mirror-sparse.out | 153 +++++++++++++++++++++ 2 files changed, 262 insertions(+) create mode 100755 tests/qemu-iotests/tests/mirror-sparse create mode 100644 tests/qemu-iotests/tests/mirror-sparse.out diff --git a/tests/qemu-iotests/tests/mirror-sparse b/tests/qemu-iotests/te= sts/mirror-sparse new file mode 100755 index 00000000000..ef68542a122 --- /dev/null +++ b/tests/qemu-iotests/tests/mirror-sparse @@ -0,0 +1,109 @@ +#!/usr/bin/env bash +# group: rw auto quick +# +# Test blockdev-mirror with raw sparse destination +# +# Copyright (C) 2025 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 . +# + +seq=3D"$(basename $0)" +echo "QA output created by $seq" + +status=3D1 # failure is the default! + +_cleanup() +{ + _cleanup_test_img + _cleanup_qemu +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +cd .. +. ./common.rc +. ./common.filter +. ./common.qemu + +_supported_fmt qcow2 raw # Format of the source. dst is always raw file +_supported_proto file +_supported_os Linux + +filter_len() { + sed -e 's/"len": [0-9]*/"len": LEN/g' \ + -e 's/"offset": [0-9]*/"offset": OFFSET/g' +} + +echo +echo "=3D=3D=3D Initial image setup =3D=3D=3D" +echo + +TEST_IMG=3D"$TEST_IMG.base" _make_test_img 20M +$QEMU_IO -c 'w 8M 2M' -f $IMGFMT "$TEST_IMG.base" | _filter_qemu_io + +_launch_qemu -machine q35 \ + -blockdev '{"driver":"file", "cache":{"direct":true, "no-flush":false}, + "filename":"'"$TEST_IMG.base"'", "node-name":"src-file"}' \ + -blockdev '{"driver":"'$IMGFMT'", "node-name":"src", "file":"src-file"= }' +h1=3D$QEMU_HANDLE +_send_qemu_cmd $h1 '{"execute": "qmp_capabilities"}' 'return' + +# Each of these combinations should result in a sparse destination; +# the destination should only be fully allocated if pre-allocated +for creation in external blockdev-create; do +for discard in ignore unmap; do + +echo +echo "=3D=3D=3D Destination with $creation creation and discard=3D$discard= =3D=3D=3D" +echo + +rm -f $TEST_IMG +if test $creation =3D external; then + truncate --size=3D20M $TEST_IMG +else + _send_qemu_cmd $h1 '{"execute": "blockdev-create", "arguments": + {"options": {"driver":"file", "filename":"'$TEST_IMG'", + "size":'$((20*1024*1024))'}, "job-id":"job1"}}' 'concluded' + _send_qemu_cmd $h1 '{"execute": "job-dismiss", "arguments": + {"id": "job1"}}' 'return' +fi +_send_qemu_cmd $h1 '{"execute": "blockdev-add", "arguments": + {"node-name": "dst", "driver":"file", + "filename":"'$TEST_IMG'", "aio":"threads", + "auto-read-only":true, "discard":"'$discard'"}}' 're= turn' +_send_qemu_cmd $h1 '{"execute":"blockdev-mirror", "arguments": + {"sync":"full", "device":"src", "target":"dst", + "job-id":"job2"}}' 'return' +_timed_wait_for $h1 '"ready"' +_send_qemu_cmd $h1 '{"execute": "job-complete", "arguments": + {"id":"job2"}}' 'return' | filter_len +_send_qemu_cmd $h1 '{"execute": "blockdev-del", "arguments": + {"node-name": "dst"}}' 'return' | filter_len +$QEMU_IMG compare -U -f $IMGFMT -F raw $TEST_IMG.base $TEST_IMG +if test $(disk_usage $TEST_IMG) -lt $((3*1024*1024)); then + echo "destination image is sparse" +else + echo "destination not sparse as expected" +fi + +done +done + +_send_qemu_cmd $h1 '{"execute":"quit"}' '' + +# success, all done +echo '*** done' +rm -f $seq.full +status=3D0 diff --git a/tests/qemu-iotests/tests/mirror-sparse.out b/tests/qemu-iotest= s/tests/mirror-sparse.out new file mode 100644 index 00000000000..ee569b92868 --- /dev/null +++ b/tests/qemu-iotests/tests/mirror-sparse.out @@ -0,0 +1,153 @@ +QA output created by mirror-sparse + +=3D=3D=3D Initial image setup =3D=3D=3D + +Formatting 'TEST_DIR/t.IMGFMT.base', fmt=3DIMGFMT size=3D20971520 +wrote 2097152/2097152 bytes at offset 8388608 +2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +{"execute": "qmp_capabilities"} +{"return": {}} + +=3D=3D=3D Destination with external creation and discard=3Dignore =3D=3D= =3D + +{"execute": "blockdev-add", "arguments": + {"node-name": "dst", "driver":"file", + "filename":"TEST_DIR/t.IMGFMT", "aio":"threads", + "auto-read-only":true, "discard":"ignore"}} +{"return": {}} +{"execute":"blockdev-mirror", "arguments": + {"sync":"full", "device":"src", "target":"dst", + "job-id":"job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job2"}} +{"return": {}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "job2"}} +{"execute": "job-complete", "arguments": + {"id":"job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "BLOCK_JOB_READY", "data": {"device": "job2", "len": LEN, "offset": OFFSE= T, "speed": 0, "type": "mirror"}} +{"return": {}} +{"execute": "blockdev-del", "arguments": + {"node-name": "dst"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "waiting", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "pending", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "BLOCK_JOB_COMPLETED", "data": {"device": "job2", "len": LEN, "offset": O= FFSET, "speed": 0, "type": "mirror"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job2"}} +{"return": {}} +Images are identical. +destination image is sparse + +=3D=3D=3D Destination with external creation and discard=3Dunmap =3D=3D=3D + +{"execute": "blockdev-add", "arguments": + {"node-name": "dst", "driver":"file", + "filename":"TEST_DIR/t.IMGFMT", "aio":"threads", + "auto-read-only":true, "discard":"unmap"}} +{"return": {}} +{"execute":"blockdev-mirror", "arguments": + {"sync":"full", "device":"src", "target":"dst", + "job-id":"job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job2"}} +{"return": {}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "job2"}} +{"execute": "job-complete", "arguments": + {"id":"job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "BLOCK_JOB_READY", "data": {"device": "job2", "len": LEN, "offset": OFFSE= T, "speed": 0, "type": "mirror"}} +{"return": {}} +{"execute": "blockdev-del", "arguments": + {"node-name": "dst"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "waiting", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "pending", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "BLOCK_JOB_COMPLETED", "data": {"device": "job2", "len": LEN, "offset": O= FFSET, "speed": 0, "type": "mirror"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job2"}} +{"return": {}} +Images are identical. +destination image is sparse + +=3D=3D=3D Destination with blockdev-create creation and discard=3Dignore = =3D=3D=3D + +{"execute": "blockdev-create", "arguments": + {"options": {"driver":"file", "filename":"TEST_DIR/t.IMGFMT", + "size":20971520}, "job-id":"job1"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job1"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job1"}} +{"return": {}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "waiting", "id": "job1"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "pending", "id": "job1"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job1"}} +{"execute": "job-dismiss", "arguments": + {"id": "job1"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job1"}} +{"return": {}} +{"execute": "blockdev-add", "arguments": + {"node-name": "dst", "driver":"file", + "filename":"TEST_DIR/t.IMGFMT", "aio":"threads", + "auto-read-only":true, "discard":"ignore"}} +{"return": {}} +{"execute":"blockdev-mirror", "arguments": + {"sync":"full", "device":"src", "target":"dst", + "job-id":"job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job2"}} +{"return": {}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "job2"}} +{"execute": "job-complete", "arguments": + {"id":"job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "BLOCK_JOB_READY", "data": {"device": "job2", "len": LEN, "offset": OFFSE= T, "speed": 0, "type": "mirror"}} +{"return": {}} +{"execute": "blockdev-del", "arguments": + {"node-name": "dst"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "waiting", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "pending", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "BLOCK_JOB_COMPLETED", "data": {"device": "job2", "len": LEN, "offset": O= FFSET, "speed": 0, "type": "mirror"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job2"}} +{"return": {}} +Images are identical. +destination image is sparse + +=3D=3D=3D Destination with blockdev-create creation and discard=3Dunmap = =3D=3D=3D + +{"execute": "blockdev-create", "arguments": + {"options": {"driver":"file", "filename":"TEST_DIR/t.IMGFMT", + "size":20971520}, "job-id":"job1"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job1"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job1"}} +{"return": {}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "waiting", "id": "job1"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "pending", "id": "job1"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job1"}} +{"execute": "job-dismiss", "arguments": + {"id": "job1"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job1"}} +{"return": {}} +{"execute": "blockdev-add", "arguments": + {"node-name": "dst", "driver":"file", + "filename":"TEST_DIR/t.IMGFMT", "aio":"threads", + "auto-read-only":true, "discard":"unmap"}} +{"return": {}} +{"execute":"blockdev-mirror", "arguments": + {"sync":"full", "device":"src", "target":"dst", + "job-id":"job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "job2"}} +{"return": {}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "job2"}} +{"execute": "job-complete", "arguments": + {"id":"job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "BLOCK_JOB_READY", "data": {"device": "job2", "len": LEN, "offset": OFFSE= T, "speed": 0, "type": "mirror"}} +{"return": {}} +{"execute": "blockdev-del", "arguments": + {"node-name": "dst"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "waiting", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "pending", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "BLOCK_JOB_COMPLETED", "data": {"device": "job2", "len": LEN, "offset": O= FFSET, "speed": 0, "type": "mirror"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "job2"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job2"}} +{"return": {}} +Images are identical. +destination image is sparse +{"execute":"quit"} +*** done --=20 2.49.0