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Tue, 12 Jan 2021 17:10:08 +0000 To: Li Feng Cc: Jens Axboe , linux-block@vger.kernel.org (open list:BLOCK LAYER), linux-kernel@vger.kernel.org (open list), lifeng1519@gmail.com Subject: Re: [PATCH v2] blk: avoid divide-by-zero with zero granularity From: "Martin K. Petersen" Organization: Oracle Corporation Message-ID: References: <20210112152951.154024-1-fengli@smartx.com> <20210112155502.426331-1-fengli@smartx.com> Date: Tue, 12 Jan 2021 12:10:05 -0500 In-Reply-To: <20210112155502.426331-1-fengli@smartx.com> (Li Feng's message of "Tue, 12 Jan 2021 23:55:02 +0800") Content-Type: text/plain X-Originating-IP: [138.3.200.58] X-ClientProxiedBy: SJ0PR13CA0152.namprd13.prod.outlook.com (2603:10b6:a03:2c7::7) To PH0PR10MB4759.namprd10.prod.outlook.com (2603:10b6:510:3d::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from ca-mkp.ca.oracle.com (138.3.200.58) by SJ0PR13CA0152.namprd13.prod.outlook.com (2603:10b6:a03:2c7::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3763.2 via Frontend Transport; Tue, 12 Jan 2021 17:10:08 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 836c528a-5843-4467-b4ca-08d8b71cea31 X-MS-TrafficTypeDiagnostic: PH0PR10MB4502: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4502; 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What device/driver is this? -- Martin K. Petersen Oracle Linux Engineering