From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B0DB2C04AB4 for ; Sat, 18 May 2019 01:32:59 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 670BA21880 for ; Sat, 18 May 2019 01:32:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 670BA21880 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:56134 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRoDa-0001km-KU for qemu-devel@archiver.kernel.org; Fri, 17 May 2019 21:32:58 -0400 Received: from eggs.gnu.org ([209.51.188.92]:38334) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRoCi-0001Pe-NO for qemu-devel@nongnu.org; Fri, 17 May 2019 21:32:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hRoCg-0007qI-GA for qemu-devel@nongnu.org; Fri, 17 May 2019 21:32:03 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45740) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hRoCd-0007oN-Bp; Fri, 17 May 2019 21:31:59 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C98B4308213A; Sat, 18 May 2019 01:31:57 +0000 (UTC) Received: from [10.18.17.215] (dhcp-17-215.bos.redhat.com [10.18.17.215]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6986B5C26D; Sat, 18 May 2019 01:31:56 +0000 (UTC) To: Vladimir Sementsov-Ogievskiy , qemu-devel@nongnu.org, qemu-block@nongnu.org References: <20190517152111.206494-1-vsementsov@virtuozzo.com> <20190517152111.206494-3-vsementsov@virtuozzo.com> From: John Snow Openpgp: preference=signencrypt Autocrypt: addr=jsnow@redhat.com; prefer-encrypt=mutual; keydata= mQINBFTKefwBEAChvwqYC6saTzawbih87LqBYq0d5A8jXYXaiFMV/EvMSDqqY4EY6whXliNO IYzhgrPEe7ZmPxbCSe4iMykjhwMh5byIHDoPGDU+FsQty2KXuoxto+ZdrP9gymAgmyqdk3aV vzzmCa3cOppcqKvA0Kqr10UeX/z4OMVV390V+DVWUvzXpda45/Sxup57pk+hyY52wxxjIqef rj8u5BN93s5uCVTus0oiVA6W+iXYzTvVDStMFVqnTxSxlpZoH5RGKvmoWV3uutByQyBPHW2U 1Y6n6iEZ9MlP3hcDqlo0S8jeP03HaD4gOqCuqLceWF5+2WyHzNfylpNMFVi+Hp0H/nSDtCvQ 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2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, fam@euphon.net, den@virtuozzo.com, armbru@redhat.com, mreitz@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 5/17/19 11:21 AM, Vladimir Sementsov-Ogievskiy wrote: > This test shows that external snapshots and incremental backups are > friends. > > Signed-off-by: Vladimir Sementsov-Ogievskiy > --- > tests/qemu-iotests/254 | 52 ++++++++++++++++++++++++++++++++++++++ > tests/qemu-iotests/254.out | 52 ++++++++++++++++++++++++++++++++++++++ > tests/qemu-iotests/group | 1 + > 3 files changed, 105 insertions(+) > create mode 100755 tests/qemu-iotests/254 > create mode 100644 tests/qemu-iotests/254.out > > diff --git a/tests/qemu-iotests/254 b/tests/qemu-iotests/254 > new file mode 100755 > index 0000000000..33cb80a512 > --- /dev/null > +++ b/tests/qemu-iotests/254 > @@ -0,0 +1,52 @@ > +#!/usr/bin/env python > +# > +# Test external snapshot with bitmap copying. > +# > +# Copyright (c) 2019 Virtuozzo International GmbH. 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; 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 . > +# > + > +import iotests > +from iotests import qemu_img_create, file_path, log > + > +disk, top = file_path('disk', 'top') > +size = 1024 * 1024 > + > +qemu_img_create('-f', iotests.imgfmt, disk, str(size)) > + > +vm = iotests.VM().add_drive(disk, opts='node-name=base') > +vm.launch() > + > +vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap0') > + > +vm.hmp_qemu_io('drive0', 'write 0 512K') > + > +vm.qmp_log('transaction', indent=2, actions=[ > + {'type': 'blockdev-snapshot-sync', > + 'data': {'device': 'drive0', 'snapshot-file': top, > + 'snapshot-node-name': 'snap'}}, > + {'type': 'block-dirty-bitmap-add', > + 'data': {'node': 'snap', 'name': 'bitmap0'}}, > + {'type': 'block-dirty-bitmap-merge', > + 'data': {'node': 'snap', 'target': 'bitmap0', > + 'bitmaps': [{'node': 'base', 'name': 'bitmap0'}]}} > +], filters=[iotests.filter_qmp_testfiles]) > + > +result = vm.qmp('query-block')['return'][0] > +log("query-block: device = {}, node-name = {}, dirty-bitmaps:".format( > + result['device'], result['inserted']['node-name'])) > +log(result['dirty-bitmaps'], indent=2) > + > +vm.shutdown() > diff --git a/tests/qemu-iotests/254.out b/tests/qemu-iotests/254.out > new file mode 100644 > index 0000000000..d7394cf002 > --- /dev/null > +++ b/tests/qemu-iotests/254.out > @@ -0,0 +1,52 @@ > +{"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": "drive0"}} > +{"return": {}} > +{ > + "execute": "transaction", > + "arguments": { > + "actions": [ > + { > + "data": { > + "device": "drive0", > + "snapshot-file": "TEST_DIR/PID-top", > + "snapshot-node-name": "snap" > + }, > + "type": "blockdev-snapshot-sync" > + }, > + { > + "data": { > + "name": "bitmap0", > + "node": "snap" > + }, > + "type": "block-dirty-bitmap-add" > + }, > + { > + "data": { > + "bitmaps": [ > + { > + "name": "bitmap0", > + "node": "base" > + } > + ], > + "node": "snap", > + "target": "bitmap0" > + }, > + "type": "block-dirty-bitmap-merge" > + } > + ] > + } > +} > +{ > + "return": {} > +} > +query-block: device = drive0, node-name = snap, dirty-bitmaps: > +[ > + { > + "busy": false, > + "count": 524288, > + "granularity": 65536, > + "name": "bitmap0", > + "persistent": false, > + "recording": true, > + "status": "active" > + } > +] > diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group > index 00e474ab0a..5552d0153c 100644 > --- a/tests/qemu-iotests/group > +++ b/tests/qemu-iotests/group > @@ -250,3 +250,4 @@ > 248 rw auto quick > 249 rw auto quick > 252 rw auto backing quick > +254 rw auto backing quick > Reviewed-by: John Snow We will eventually want something more rigorous in terms of a full workflow, but for the purposes of testing cross-node merge I think this demonstrates it fine. I'll stage these shortly. --js