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Wed, 29 Apr 2020 13:09:14 +0000 From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Subject: [PATCH v4 0/5] block-copy: use aio-task-pool Date: Wed, 29 Apr 2020 16:08:42 +0300 Message-Id: <20200429130847.28124-1-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.21.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: AM0PR04CA0031.eurprd04.prod.outlook.com (2603:10a6:208:122::44) To AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (185.215.60.184) by AM0PR04CA0031.eurprd04.prod.outlook.com (2603:10a6:208:122::44) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.20 via Frontend Transport; Wed, 29 Apr 2020 13:09:13 +0000 X-Mailer: git-send-email 2.21.0 X-Originating-IP: [185.215.60.184] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 85ddf3fa-98ef-49dd-9e9a-08d7ec3e83c8 X-MS-TrafficTypeDiagnostic: AM7PR08MB5446: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6790; 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envelope-from=vsementsov@virtuozzo.com; helo=EUR04-VI1-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/29 09:09:15 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] X-Received-From: 40.107.8.118 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: kwolf@redhat.com, den@openvz.org, vsementsov@virtuozzo.com, qemu-devel@nongnu.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi all! v4 01: add Max's r-b 04: move variable definition to the top of the block, add Max's r-b 05: - change error-codes in block_copy_task_run(), document them and be more accurate about error code in block_copy_dirty_clusters(). - s/g_free(aio)/aio_task_pool_free(aio)/ == This is the next step of improving block-copy: use aio task pool. Async copying loop has better performance than linear, which is shown in original series (was "[RFC 00/24] backup performance: block_status + async". Vladimir Sementsov-Ogievskiy (5): block/block-copy: rename in-flight requests to tasks block/block-copy: alloc task on each iteration block/block-copy: add state pointer to BlockCopyTask block/block-copy: refactor task creation block/block-copy: use aio-task-pool API block/block-copy.c | 279 +++++++++++++++++++++++++++++++-------------- 1 file changed, 194 insertions(+), 85 deletions(-) -- 2.21.0