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Wed, 16 Jun 2021 16:03:32 +0000 To: Christoph Hellwig Cc: Jens Axboe , Thomas Gleixner , Thomas Bogendoerfer , Geoff Levand , Ilya Dryomov , Dongsheng Yang , Mike Snitzer , "James E.J. Bottomley" , Ira Weiny , dm-devel@redhat.com, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org, linux-arch@vger.kernel.org Subject: Re: switch the block layer to use kmap_local_page v2 From: "Martin K. Petersen" Organization: Oracle Corporation Message-ID: References: <20210615132456.753241-1-hch@lst.de> Date: Wed, 16 Jun 2021 12:03:27 -0400 In-Reply-To: <20210615132456.753241-1-hch@lst.de> (Christoph Hellwig's message of "Tue, 15 Jun 2021 15:24:38 +0200") Content-Type: text/plain X-Originating-IP: [138.3.200.58] X-ClientProxiedBy: BY3PR05CA0051.namprd05.prod.outlook.com (2603:10b6:a03:39b::26) 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 BY3PR05CA0051.namprd05.prod.outlook.com (2603:10b6:a03:39b::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4242.9 via Frontend Transport; Wed, 16 Jun 2021 16:03:31 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 21c9dfe5-5cbf-4b3f-6912-08d930e049db X-MS-TrafficTypeDiagnostic: PH0PR10MB4792: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?zHmGVe+ALXTJCFUdUHTNkxVmzHeCbrPdieRoU/7tnu8IePI2dRLXAWWWYCnH?= =?us-ascii?Q?WmHPxt89EkrbYoYDKZkQ1hLVF+QzyOiTqZ9NqeLKg32AnReYyOwgSO/h0WAn?= =?us-ascii?Q?bgltbTFldtlUcDoTl3bmoXhMRyg2MsjLDPaX3LuCJEJ0OA4iHdqbx0+sk1bN?= =?us-ascii?Q?bDf2WQNV2eiPaiEwMkmk3mptXrO496x4jufZY+d5UP1DAFOBK7qbL79poPXI?= =?us-ascii?Q?CCK6NHCI4d5xxXeSvHuAy9cPAagT1afOjQ9RuV5u+z1MOVbLo9Hjoi5oHpu3?= =?us-ascii?Q?KQVfVOlA6xomXG6xvN8QsisyWnheVb8WC9wzBI8DGNB82xe8nLU/0SdwGNdz?= =?us-ascii?Q?o8d9P5SIyWHoy5STAPVtG1iBQwHDetSPKlHpuVVIRdoCLqIjSAldWq6BYJ15?= =?us-ascii?Q?0IWwDvF3e5ZhLe6Ss85ivT1sECZ+pJUiM3xPBD/copE/EnG2zKIkMaI6k7yP?= =?us-ascii?Q?I2je3QoHY7L7aj0REPIu0bpSvVcCzR7UpwtuAziBlpzZWGTaXfdrJIp5O+kT?= =?us-ascii?Q?poQT0KTjYPegCeDVACmSYNiC1pttl9gtKS5cxYZmVcTFt9z1MVC0/CsaE+Is?= =?us-ascii?Q?yDDwyueYC63NxymdXMbubi/arKuSXXUa+7eBxDLhVM7q0Uscc2f8mAWYG4Yn?= =?us-ascii?Q?ZUUi2fZ1kTqx3Ji08rERThOhk59iXPRs5+M1ejz2yC+HxpppZEE3/8xXI+fY?= =?us-ascii?Q?Cfr+ZxWZVUi1AHyMfGjiWowurinj3FWYvl/j486bOjKiZccmcUBpxQND9E/6?= =?us-ascii?Q?R7pOYuHye2vGQEZOk+6TQrVTdgBhMvfQUK/x0TDpF3+4K8NDzZRzHJSoc5fy?= =?us-ascii?Q?xpsGKNe9b6lSnhHKkgek+IAUu7u3xTCWdpFuplqrredg/AF1zGaUCimI0kp7?= =?us-ascii?Q?Su8OIAM4UCgyfUfgO5qWct517wkAmbkgCcaKCCV6SxHrHBvQkkyL8fcCjW4c?= =?us-ascii?Q?aa8a3CLoaWd8z4uXlhEJ00sCYhokwepJF+uO7c0J+/xhVAj8DebJoXrRlSxJ?= =?us-ascii?Q?c4WGo0gkMP2MxVEpWU1+TMYb8xBNdGmtEtMZI9o1rAUELNYtBu/Ibhr0Dx89?= =?us-ascii?Q?GAaJ6rDjcTzdyqdPNyo/Qmo+3naKV1JbkEU5RLSSj0joIv4kHlhNNkz9y8df?= =?us-ascii?Q?wb5v+Ui4Xat477qCsd9m3LC5MOU7Say/Vwkujt8kv3o+yfzrMmQfi9Xpf624?= =?us-ascii?Q?JQbQLyc65+9bDgAKNUzaolmoDGpyDBCMHIcwDaO1LYPRRh+CWb6YaQAv9V6p?= =?us-ascii?Q?NKXTJpkXYHhLpAUWP5e7Z41W9tX71NQx9PFxaxyphxnFrSIM+M1VIpmg6ZYm?= =?us-ascii?Q?5bwEFau3mTsQhrv9Zk3RGjAL?= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: 21c9dfe5-5cbf-4b3f-6912-08d930e049db X-MS-Exchange-CrossTenant-AuthSource: PH0PR10MB4759.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jun 2021 16:03:32.0614 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: b/7FCid3FO6EEMrDlCLiNW8dwVO0QoyaXBqibk+OAZwll9U4QbE2j7w8UitSVaadOAuqLIWRaSIYs4t+tWqCY4OZAmGxYUmWuRe3e+cb6wg= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR10MB4792 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=10016 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 suspectscore=0 mlxlogscore=999 bulkscore=0 mlxscore=0 spamscore=0 adultscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2106160092 X-Proofpoint-ORIG-GUID: 287C8opapJSjkChRqFXQvASCFz49YKWV X-Proofpoint-GUID: 287C8opapJSjkChRqFXQvASCFz49YKWV Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Christoph, > this series switches the core block layer code and all users of the > existing bvec kmap helpers to use kmap_local_page. Drivers that > currently use open coded kmap_atomic calls will converted in a follow > on series. Looks OK to me. Reviewed-by: Martin K. Petersen -- Martin K. Petersen Oracle Linux Engineering