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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 3DB5EC4361B for ; Wed, 16 Dec 2020 06:22:57 +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 D9E162335A for ; Wed, 16 Dec 2020 06:22:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D9E162335A Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine 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]:34330 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kpQD9-0008V3-Uj for qemu-devel@archiver.kernel.org; Wed, 16 Dec 2020 01:22:55 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:53492) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kpQ7y-0002cn-FO; Wed, 16 Dec 2020 01:17:34 -0500 Received: from mail-eopbgr00123.outbound.protection.outlook.com ([40.107.0.123]:51180 helo=EUR02-AM5-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kpQ7r-0001E7-DR; Wed, 16 Dec 2020 01:17:34 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=byUn8QSV59OB0uaEC8i3DOWCjQf0W+KXhQK1BlDimp11TSgZ0AavaLvKaTCKgIC4bT7BtyuYEl9/TDtzURFoED8urxLvdxrdSkeFbddvjKXAgLrjCYL+YFwHm0hX0yr005ZaWrOBo1G3mr73iyoaAYrHQ/q6823acVApfmCB/kyDk+E9OgvUggXHXhcm70iw+USDTDeazcsfKI37hbCQP2tl7nDLWeUDvB8iT1v5OrLBB1fjmo71hdCMuvTbsb73tEr2bb5DjdTu6DXk+86NQL5hVsBuCB2Sq5twFLGEwHo++bwxl9NbHzlE0BNwYbSitizuHYlLOziV1kKiqP6wPw== 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=avDoDJt8s6WZWtYVhHRa0PqWPJYjWOUDROl2/vpS+sQ=; b=auoGhZAplkA1VJtsjjuDP/naAZQS64UWtBAVLkK6ewtj+hEBp/tEqZxef92XGzmRn69TZ4JI5OO8Vowe/vCWGInwHCYkFbDt0L7BU3FTCsrFPL1cqCmVBKsQq2JzpKunoG4MtOoVz97WNICbFlTPed+o9LGo7LQnvaueahNBxlnRd6JolN6/YmKeX+hwnxrUrZLB1t6xmYZdchJdfgjULZou2CSQ9QPV5NTILdQhbuZ59DyDOtf66cVNvkTsO0PN1BPsE+vQgSSpoG8MFNtvu2wZjKIC8TLkwF29wNBI8Od/W8K2Ikmx0lw5v1SfMDsjEQFl0S3ispnndToM9QLHvQ== 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=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=avDoDJt8s6WZWtYVhHRa0PqWPJYjWOUDROl2/vpS+sQ=; b=Mxu31HFdHmVoHVli5GLFS7A2GNcsO4rz7sB0mlWFR9r45+OTjeRssNAV0WaxNdca5UvmBGeGVcDqH9V544oWFjijY8ktj6ayRf/77UEq7W05MElAn67cxpQtzLDVFD1OO8hD+clDTz4AZ+HoKr1Xii6kvb/VfEGesuOew4AfoWY= Authentication-Results: nongnu.org; dkim=none (message not signed) header.d=none;nongnu.org; dmarc=none action=none header.from=virtuozzo.com; Received: from AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) by AS8PR08MB6309.eurprd08.prod.outlook.com (2603:10a6:20b:29f::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3654.24; Wed, 16 Dec 2020 06:17:17 +0000 Received: from AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::d585:99a4:d7a4:d478]) by AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::d585:99a4:d7a4:d478%4]) with mapi id 15.20.3654.024; Wed, 16 Dec 2020 06:17:17 +0000 From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Subject: [PATCH v15 01/13] copy-on-read: support preadv/pwritev_part functions Date: Wed, 16 Dec 2020 09:16:51 +0300 Message-Id: <20201216061703.70908-2-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20201216061703.70908-1-vsementsov@virtuozzo.com> References: <20201216061703.70908-1-vsementsov@virtuozzo.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [185.215.60.92] X-ClientProxiedBy: AM4PR0202CA0008.eurprd02.prod.outlook.com (2603:10a6:200:89::18) To AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from kvm.sw.ru (185.215.60.92) by AM4PR0202CA0008.eurprd02.prod.outlook.com (2603:10a6:200:89::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3654.12 via Frontend Transport; Wed, 16 Dec 2020 06:17:16 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 5133af0f-36d6-4f83-198f-08d8a18a3d4c X-MS-TrafficTypeDiagnostic: AS8PR08MB6309: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3276; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: QtDZnLUsHKm/ZSWCgQgUfW7weYxq9IquSD/EohH3dIqMjh3sY3lr01EEp1Yd+xq7gEbxS96SeoW85ekwx5Urp/s+e/JsALPThrizGg5hQfPagTcNT9NuAsS8ftFwlRBpRUpSpkWwhQD2QAkxGS9vxxvw18tBg2QbdUM5A2lMBe0HpDmWW87XxU0dPiuQGuT72sTaujCONl1dG/Y/22XRfFNmocbi8nWOrWOMYw3xGgmGjbD+jd07L/Y9w0ZVhkEdHX/G/Lxqfo89VHliqE7wBK0HSntipg7D8xHlEFHK3GQz5ikJTr5vnDu47DAeULZC7NYzrhbNWlX0pRUZZJHF8g== X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM7PR08MB5494.eurprd08.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(376002)(136003)(396003)(366004)(39830400003)(346002)(4326008)(5660300002)(66556008)(66476007)(186003)(16526019)(956004)(6506007)(6512007)(2616005)(66946007)(36756003)(6666004)(1076003)(86362001)(6916009)(316002)(6486002)(52116002)(2906002)(8676002)(83380400001)(107886003)(478600001)(8936002)(26005); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?B5jGsAplPcgLWWGfCj1sLP+JySG+mq1uoLRqefY9AsSpBS4Sp2E4yUcVmiQ/?= =?us-ascii?Q?n5/VcOl1u9OvM2o27nWBR8orPC3kgfcgoqYtRiHXumuW3jusIxwAemAg2+j/?= =?us-ascii?Q?Ww+K/pxlgwDkvF/iAue3C+uBH6q2M7r0Q6oMwa0Cr+PEcwWDePNIUWMvC/vA?= =?us-ascii?Q?aG2r+6u7kPRArTVNrQLGEcmo97IvKK7q0WAlDBONnhy+eMv9t4mYm4mYIVsE?= =?us-ascii?Q?P5WIbaAIzsibNTi2IdOMziZ/xsEGf8qW0zmPN4k1tf7bLm0LnmhEgFB/dSqp?= =?us-ascii?Q?rIQ5VZF0NIn0vBbgBVvtITJGKo2hykswvvL+sMmwiISD7ayPYvrOJDgTN7ZV?= =?us-ascii?Q?k3J+MuqZaS1Pnbf5LcvhLbVL9yrssIOH0ea7wqARSws3tT/TRmCZ7loUsZKi?= =?us-ascii?Q?zY0KqVgT4ciOA3b2tCYRIzZEQ/4kmV0ZU5QyijCSbQqQqfpDQTipBf2wI9F1?= =?us-ascii?Q?03wmDdKI51DwtDIBMrNnbbTQbYgl3pw7FR/Z7xC1/1cHHXhDvirhsR054j0i?= =?us-ascii?Q?Jlvh7JRTxwmPgU5HzdUMIqkd/1F8HLsPE6bcqjHuHTixAf4A43e8CGM2Md/Z?= =?us-ascii?Q?2MBvEvp/82z2yRLTYFdgljTAnoj0wIt80PxRxHoMjbFLwGkDe0WzoOrI6Ukk?= =?us-ascii?Q?LzR6DokXJ6ofbrdlwHZkDN4U65CQbPhrtQ+OYhT5nR48/nA5+s+VyncN1arA?= =?us-ascii?Q?5WUNHLA4MkVlI8eGKU3Q29RQCI+4dsgSFXzVBx8zg0i++NOgDf4ckWEY/AXY?= =?us-ascii?Q?hbttGjG815XQ7r/Ajlh6fh1WgjpkFvoRSey9TNfF7TF7O+TeTUOuoC1HMree?= =?us-ascii?Q?c3gWYxZVEdfmpmdLoSOUFfEdBUrtzxWble2H9Zz59x2aF3qoRreHQmuhh5j8?= =?us-ascii?Q?yARhiYthMQV9h45GI6DAS226FfRz965X6tCfQPa6bU6nP1SMv8G5U42GUgBI?= =?us-ascii?Q?SfS+Sn+09TglVICCrlnt3oddr4CNCK6OlWzGAPL56w59f4+ZxBT6Uq5LulOY?= =?us-ascii?Q?Ityg?= X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-AuthSource: AM7PR08MB5494.eurprd08.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Dec 2020 06:17:17.8453 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 0bc7f26d-0264-416e-a6fc-8352af79c58f X-MS-Exchange-CrossTenant-Network-Message-Id: 5133af0f-36d6-4f83-198f-08d8a18a3d4c X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: X/55NFxjbHZ4hNYCptL6aTJ0ixathbX34eXwE5WNXznSANmVnf87JaSvPQhSmm6Xz/bVbPbGMNGH/Z+TGyFZ3asVCYfSWOWIdKeLcLgEAE4= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR08MB6309 Received-SPF: pass client-ip=40.107.0.123; envelope-from=vsementsov@virtuozzo.com; helo=EUR02-AM5-obe.outbound.protection.outlook.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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, vsementsov@virtuozzo.com, qemu-devel@nongnu.org, armbru@redhat.com, stefanha@redhat.com, den@openvz.org, andrey.shinkevich@virtuozzo.com, mreitz@redhat.com, jsnow@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Andrey Shinkevich Add support for the recently introduced functions bdrv_co_preadv_part() and bdrv_co_pwritev_part() to the COR-filter driver. Signed-off-by: Andrey Shinkevich Reviewed-by: Vladimir Sementsov-Ogievskiy --- block/copy-on-read.c | 28 ++++++++++++++++------------ 1 file changed, 16 insertions(+), 12 deletions(-) diff --git a/block/copy-on-read.c b/block/copy-on-read.c index 2816e61afe..cb03e0f2d3 100644 --- a/block/copy-on-read.c +++ b/block/copy-on-read.c @@ -74,21 +74,25 @@ static int64_t cor_getlength(BlockDriverState *bs) } -static int coroutine_fn cor_co_preadv(BlockDriverState *bs, - uint64_t offset, uint64_t bytes, - QEMUIOVector *qiov, int flags) +static int coroutine_fn cor_co_preadv_part(BlockDriverState *bs, + uint64_t offset, uint64_t bytes, + QEMUIOVector *qiov, + size_t qiov_offset, + int flags) { - return bdrv_co_preadv(bs->file, offset, bytes, qiov, - flags | BDRV_REQ_COPY_ON_READ); + return bdrv_co_preadv_part(bs->file, offset, bytes, qiov, qiov_offset, + flags | BDRV_REQ_COPY_ON_READ); } -static int coroutine_fn cor_co_pwritev(BlockDriverState *bs, - uint64_t offset, uint64_t bytes, - QEMUIOVector *qiov, int flags) +static int coroutine_fn cor_co_pwritev_part(BlockDriverState *bs, + uint64_t offset, + uint64_t bytes, + QEMUIOVector *qiov, + size_t qiov_offset, int flags) { - - return bdrv_co_pwritev(bs->file, offset, bytes, qiov, flags); + return bdrv_co_pwritev_part(bs->file, offset, bytes, qiov, qiov_offset, + flags); } @@ -137,8 +141,8 @@ static BlockDriver bdrv_copy_on_read = { .bdrv_getlength = cor_getlength, - .bdrv_co_preadv = cor_co_preadv, - .bdrv_co_pwritev = cor_co_pwritev, + .bdrv_co_preadv_part = cor_co_preadv_part, + .bdrv_co_pwritev_part = cor_co_pwritev_part, .bdrv_co_pwrite_zeroes = cor_co_pwrite_zeroes, .bdrv_co_pdiscard = cor_co_pdiscard, .bdrv_co_pwritev_compressed = cor_co_pwritev_compressed, -- 2.25.4