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=-5.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 1E7ADC433FF for ; Mon, 29 Jul 2019 15:35:07 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E334D2070D for ; Mon, 29 Jul 2019 15:35:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=virtuozzo.com header.i=@virtuozzo.com header.b="gnmt01tJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E334D2070D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:54142 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hs7g2-00069a-6f for qemu-devel@archiver.kernel.org; Mon, 29 Jul 2019 11:35:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48314) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hs7fP-0005HR-3z for qemu-devel@nongnu.org; Mon, 29 Jul 2019 11:34:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hs7fN-0004Ug-Nc for qemu-devel@nongnu.org; Mon, 29 Jul 2019 11:34:27 -0400 Received: from mail-he1eur04on070b.outbound.protection.outlook.com ([2a01:111:f400:fe0d::70b]:27822 helo=EUR04-HE1-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hs7fK-0004PC-N7; Mon, 29 Jul 2019 11:34:23 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=dHywSsme3fvZ3x0qlBb8l1DSX+TRdDfYI/suqz66nJANZ7LzZoznD7ykO7TVtsV0AqkCVhp2T3W6f/Pklg7Ohzob4agypEO1L/Yy8NYNZoSTNxiXiXXmjueHxMZiCuf1tF+7qQChA6zy6BoJf6s9wgAmws9mofXx03qhU+ezzKWGA2kpXhOunh7KlkB5dWQ8RDqo7OBDLxVVoXJwqt/IG8i+NVCCXJNH041rqAcTv/3XRtYVzzclBogPKTbPiz+jpIZzD6pdn9bHvFZhUO3pDrGqFweqtu6Y/94e3nPWfbgarEUYyA1wMAgCw2vwkH/DNhW7z9IMIs2+DyW0cpgIbw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=KQ0Awt1/RGJiNacL1qNProap4eoRA2u56U8fvniKscI=; b=Y57J72Dg1O79B56Xqj82+rD8oGea+ZqxYks/pLR5tvN+S55tsd/TEWjIEtpi/37GLB6WvMCTHjTZz+nKYJtS57q5Ovxe6SGNxoayaA4Rb5L/TMQetlarJz+ZLcRn0R0CyVjImIEuluqCGaKcojR2dPH31+DwALqTYCDEJAweh2E6yr96H1mtr+rsMX0Decn0kB+wUtbSMAoeQgb/57Yh5znamWyNwO5dNn1GwIQTVsgkgtaItt/FuPtHs/ESXBTW0GnK4NLt5tJ6ZdWavD8zZ4dHC/HjHphBEYx5Ex0Q5DyeZNYCG8ppZLCBfhjysmHYGevky2JdFAy/yRFvM1C+pA== ARC-Authentication-Results: i=1; mx.microsoft.com 1;spf=pass smtp.mailfrom=virtuozzo.com;dmarc=pass action=none header.from=virtuozzo.com;dkim=pass header.d=virtuozzo.com;arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=virtuozzo.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=KQ0Awt1/RGJiNacL1qNProap4eoRA2u56U8fvniKscI=; b=gnmt01tJeCVhO0Wqk/luw5zKuOJLaYH5cVjPTjyMDJBC3o+ZnFE/NSNCEcmVspQtZOqcEpkVDCQveA/Qziv7mnrK1Y+M3yzg02jSvgqDCNzNXadF4BvbnOOpPkmsPUQEItFlIfXx+GOjXPt6bNcdFzXvrw4oej+cLFyuO/BTQq4= Received: from DB8PR08MB5498.eurprd08.prod.outlook.com (52.133.242.216) by DB8PR08MB4186.eurprd08.prod.outlook.com (20.179.12.86) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2115.13; Mon, 29 Jul 2019 15:34:18 +0000 Received: from DB8PR08MB5498.eurprd08.prod.outlook.com ([fe80::617b:d2c2:11e9:4604]) by DB8PR08MB5498.eurprd08.prod.outlook.com ([fe80::617b:d2c2:11e9:4604%3]) with mapi id 15.20.2115.005; Mon, 29 Jul 2019 15:34:18 +0000 From: Vladimir Sementsov-Ogievskiy To: Stefan Hajnoczi Thread-Topic: [PATCH v2 00/12] block: qiov_offset parameter for io Thread-Index: AQHVGvDDN3N+yvQgRE6fCgP4uttDuabiDWkAgAAC3YA= Date: Mon, 29 Jul 2019 15:34:17 +0000 Message-ID: References: <20190604161514.262241-1-vsementsov@virtuozzo.com> <20190729152400.GB21033@stefanha-x1.localdomain> In-Reply-To: <20190729152400.GB21033@stefanha-x1.localdomain> Accept-Language: ru-RU, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: HE1PR0101CA0008.eurprd01.prod.exchangelabs.com (2603:10a6:3:77::18) To DB8PR08MB5498.eurprd08.prod.outlook.com (2603:10a6:10:11c::24) authentication-results: spf=none (sender IP is ) smtp.mailfrom=vsementsov@virtuozzo.com; x-ms-exchange-messagesentrepresentingtype: 1 x-tagtoolbar-keys: D20190729183415472 x-originating-ip: [185.231.240.5] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 57e22947-911a-4526-f4dc-08d7143a3811 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:DB8PR08MB4186; x-ms-traffictypediagnostic: DB8PR08MB4186: x-ms-exchange-purlcount: 1 x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7219; x-forefront-prvs: 01136D2D90 x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(39840400004)(396003)(346002)(376002)(366004)(136003)(53754006)(199004)(189003)(6916009)(36756003)(229853002)(5660300002)(102836004)(86362001)(99286004)(316002)(476003)(11346002)(6436002)(71200400001)(71190400001)(446003)(486006)(76176011)(66446008)(2616005)(25786009)(54906003)(68736007)(52116002)(186003)(26005)(14454004)(31696002)(6486002)(66946007)(966005)(66476007)(66556008)(64756008)(305945005)(7736002)(478600001)(8676002)(66066001)(3846002)(6116002)(8936002)(81166006)(6512007)(81156014)(53936002)(6306002)(256004)(4326008)(386003)(6506007)(107886003)(6246003)(31686004)(2906002); DIR:OUT; SFP:1102; SCL:1; SRVR:DB8PR08MB4186; H:DB8PR08MB5498.eurprd08.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: virtuozzo.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: dt9PcpDTp5pW/KcoWYWC6LYTNOtZiZaR6l/7adNTC4LhU7ejRQ/MOjZA8nSYLOUM8BXP96G/+XNDIWLbjwMLvF1R2c5sYEiDpaHfVOFEEysaD688G2Gkn4/nwwserZvR/dLj8yXpkIWIPBuu6Qgd8IbYti+B1IiWG13DgaonBpkItWvmc504bS5y61HWQDnayTfoedoBzcKrPc3997qhLpzBBIw/bBbzVx8FwhCA+AF0QswnNZ6jjUrJ6+lVtiz+PFdnUHcA790F+ww0bkDEFG/j2zItoIvv7yUiJ2HRbWLEpk9JEooEJvutZUw2u/OlAy7mFxhtqq8CpaFQvoCbGMkKw5S8MlxRc/nnsL42xKFzNKLK9RSvJ9zSVJArn3GIpK9ML7mYPYWSJV6JkQnFufh5WC7YKrbidOX0WbmUPTk= Content-Type: text/plain; charset="Windows-1252" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 57e22947-911a-4526-f4dc-08d7143a3811 X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Jul 2019 15:34:17.8925 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 0bc7f26d-0264-416e-a6fc-8352af79c58f X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: vsementsov@virtuozzo.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR08MB4186 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 2a01:111:f400:fe0d::70b Subject: Re: [Qemu-devel] [PATCH v2 00/12] block: qiov_offset parameter for io X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "fam@euphon.net" , "kwolf@redhat.com" , Denis Lunev , "qemu-block@nongnu.org" , "qemu-devel@nongnu.org" , "mreitz@redhat.com" , "jsnow@redhat.com" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 29.07.2019 18:24, Stefan Hajnoczi wrote: > On Tue, Jun 04, 2019 at 07:15:02PM +0300, Vladimir Sementsov-Ogievskiy wr= ote: >> Hi all! >> >> Here is new parameter qiov_offset for io path, to avoid >> a lot of places with same pattern of creating local_qiov or hd_qiov >> variables. >> >> These series also includes my >> "[Qemu-devel] [PATCH 0/2] block/io: refactor padding" >> with some changes [described in 01 and 03 emails] >> >> Vladimir Sementsov-Ogievskiy (12): >> util/iov: introduce qemu_iovec_init_extended >> util/iov: improve qemu_iovec_is_zero >> block/io: refactor padding >> block: define .*_part io handlers in BlockDriver >> block/io: bdrv_co_do_copy_on_readv: use and support qiov_offset >> block/io: bdrv_co_do_copy_on_readv: lazy allocation >> block/io: bdrv_aligned_preadv: use and support qiov_offset >> block/io: bdrv_aligned_pwritev: use and support qiov_offset >> block/io: introduce bdrv_co_p{read,write}v_part >> block/qcow2: refactor qcow2_co_preadv to use buffer-based io >> block/qcow2: implement .bdrv_co_preadv_part >> block/qcow2: implement .bdrv_co_pwritev(_compressed)_part >> >> block/qcow2.h | 1 + >> include/block/block_int.h | 21 ++ >> include/qemu/iov.h | 10 +- >> block/backup.c | 2 +- >> block/io.c | 532 ++++++++++++++++++++++---------------- >> block/qcow2-cluster.c | 14 +- >> block/qcow2.c | 131 +++++----- >> qemu-img.c | 4 +- >> util/iov.c | 153 +++++++++-- >> 9 files changed, 559 insertions(+), 309 deletions(-) >> >> --=20 >> 2.18.0 >=20 > Thanks, applied to my block tree: > https://github.com/stefanha/qemu/commits/block >=20 > Stefan >=20 Thanks! Than I can base my further work on parallelizing qcow2 read/write loops on it, great! (long ago v1 was [PATCH 0/7] qcow2: async handling of fragmented io) --=20 Best regards, Vladimir