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Mon, 7 Sep 2020 10:24:40 +0000 From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, mreitz@redhat.com, kwolf@redhat.com, eblake@redhat.com, vsementsov@virtuozzo.com, den@openvz.org Subject: [PATCH 0/3] nbd reconnect on open Date: Mon, 7 Sep 2020 13:24:23 +0300 Message-Id: <20200907102426.24766-1-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.21.3 X-ClientProxiedBy: AM0PR10CA0070.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:15::23) 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 (185.215.60.137) by AM0PR10CA0070.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:15::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3348.15 via Frontend Transport; Mon, 7 Sep 2020 10:24:39 +0000 X-Mailer: git-send-email 2.21.3 X-Originating-IP: [185.215.60.137] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2fc683b0-cf4c-4cac-caa0-08d853183a7c X-MS-TrafficTypeDiagnostic: AM6PR08MB4722: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3276; 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envelope-from=vsementsov@virtuozzo.com; helo=EUR03-DB5-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/07 06:24:42 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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_NONE=-0.0001, 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi all! There is a new feature: reconnect on open. It is useful when start of vm and start of nbd server are not simple to sync. This is based on "[PATCH 0/4] nbd reconnect new fixes" Based-on: <20200903190301.367620-1-vsementsov@virtuozzo.com> Vladimir Sementsov-Ogievskiy (3): block/nbd: move initial connect to coroutine nbd: allow reconnect on open, with corresponding new options iotests: add 306 to test reconnect on nbd open block/nbd.c | 173 +++++++++++++++++++++++++--------- tests/qemu-iotests/306 | 46 +++++++++ tests/qemu-iotests/306.out | 5 + tests/qemu-iotests/group | 1 + tests/qemu-iotests/iotests.py | 11 +++ 5 files changed, 190 insertions(+), 46 deletions(-) create mode 100755 tests/qemu-iotests/306 create mode 100644 tests/qemu-iotests/306.out