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Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Lee Duncan , Martin Wilck , Hannes Reinecke , Srikar Dronamraju Subject: Re: [PATCH] scsi: core: Add BLIST_NO_ASK_VPD_SIZE for some VDASD From: "Martin K. Petersen" Organization: Oracle Corporation Message-ID: References: <20220928181350.9948-1-leeman.duncan@gmail.com> <88927435-ae58-c24b-e7b7-b675985de433@leemhuis.info> <86D685F2-D411-460B-A09B-6BE942372F0A@gmail.com> Date: Mon, 06 Mar 2023 17:14:45 -0500 In-Reply-To: <86D685F2-D411-460B-A09B-6BE942372F0A@gmail.com> (Lee Duncan's message of "Fri, 3 Mar 2023 10:54:21 -0800") Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: BLAPR03CA0005.namprd03.prod.outlook.com (2603:10b6:208:32b::10) To PH0PR10MB4759.namprd10.prod.outlook.com (2603:10b6:510:3d::12) Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR10MB4759:EE_|CH3PR10MB7119:EE_ X-MS-Office365-Filtering-Correlation-Id: b29cd8e4-821b-4d68-ed55-08db1e9032cc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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definitions=2023-03-06_14,2023-03-06_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 mlxscore=0 adultscore=0 spamscore=0 suspectscore=0 mlxlogscore=729 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2303060194 X-Proofpoint-ORIG-GUID: 5GQm7Ojfv0mTl5yCbetCypr2aLdyJ0yS X-Proofpoint-GUID: 5GQm7Ojfv0mTl5yCbetCypr2aLdyJ0yS Lee, > I know you had reservations about this approach, but the fact that > another case has shown up where this patch helps means this isn=E2=80=99t= just > a one-off problem. > > I know the alternative was to have the code that reads mode pages just > automatically handle all cases where the size was returned to zero, > but I really prefer specifically listing =E2=80=9Coffending=E2=80=9D hard= ware, rather > than automatically covering for it. I'm not particularly keen on either approach. But I'll take another look today... --=20 Martin K. Petersen Oracle Linux Engineering