From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id A899EC433EF for ; Thu, 7 Apr 2022 03:25:39 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7172E6B0074; Wed, 6 Apr 2022 23:18:39 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6C71C6B0075; Wed, 6 Apr 2022 23:18:39 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4CA9A8D0006; Wed, 6 Apr 2022 23:18:39 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.27]) by kanga.kvack.org (Postfix) with ESMTP id 3DADF6B0074 for ; Wed, 6 Apr 2022 23:18:39 -0400 (EDT) Received: from smtpin17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay11.hostedemail.com (Postfix) with ESMTP id 08C6680BED for ; Thu, 7 Apr 2022 03:18:29 +0000 (UTC) X-FDA: 79328625138.17.4EE529F Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf05.hostedemail.com (Postfix) with ESMTP id 51F8910000A for ; Thu, 7 Apr 2022 03:18:28 +0000 (UTC) Received: from pps.filterd (m0246630.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 2372POVs012451; Thu, 7 Apr 2022 03:18:27 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : message-id : references : date : in-reply-to : content-type : mime-version; s=corp-2021-07-09; bh=4R18pwpZs4MCAT1nUpfEebB1dGvjB+oR2X9XNPWO4p8=; b=K00aU85PLQqbvLtFWFoJrDU265LTE87Pk/HdBAP/k00+nUFnbt0HzC28qXULort8/5dT 0MHpiTEsWCfgWIp/VfQe9wiWPEAirP8mYmfSrg47AbJZDmThd0V1PsvRsYi51NPFYNvr NP2yLcU3EOsB2gWzmVP8aRKlbSwElWU+lSbkDiCvniySQOstZ1VwrWhBJ4RcKNHPBxrF V58nasvrQdpQg2m7CndmhycOsf0q09wIS8eq6lycZSkVJxROXgRbjAvJF9JwSI0MotNd lbjdKIs09wAmCsCRIasNHrHq321KOUHGDNEJaaEZd2owY8TuK0k2deMmuCCqk82rG8Ea 4w== Received: from iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta03.appoci.oracle.com [130.35.103.27]) by mx0b-00069f02.pphosted.com with ESMTP id 3f6cwcjad5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Apr 2022 03:18:27 +0000 Received: from pps.filterd (iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (8.16.1.2/8.16.1.2) with SMTP id 23736PuX029482; Thu, 7 Apr 2022 03:18:26 GMT Received: from nam11-co1-obe.outbound.protection.outlook.com (mail-co1nam11lp2173.outbound.protection.outlook.com [104.47.56.173]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com with ESMTP id 3f97wqsm3k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Apr 2022 03:18:26 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=O25uO0BueHUJN4G5YWQ/pZKSQFUTVgJDOUxEmxaadRGxJcbSKf6kdI1i4cqtX0sTTskKg8DjCjxfpEobxGIx95JUiYel+ilDSgSrjxjEzhpN76YABubhkRT9yiZIJJpo9Zgbc0uz1GfQs8/NrbS57CinKt6dSFg4HHnOhnGLl5eOhQjfHJusa/VDx6Bef9BlsUjr/ZtM7hPrn6iY2/1nAUYuAYuPG/x/zAmi5qDm9F+cNQQNsoM6rfPflQUqJFw+LgzUYD5Mfl25IR0NILxV2mbpC2UJk8P4uYpdTnnd9gv13GoslRQIl1LQl0hjNLIgEVn7xLEh+HdKST2r0RQWmg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=4R18pwpZs4MCAT1nUpfEebB1dGvjB+oR2X9XNPWO4p8=; b=V4FaobBp/9RjdJNp8dnQh12p8QjOIb2fJkFjC9yK/wFeOxgrMwGq6aDEyu1t3e/cPpNFd4iEKDVauxukGJE3e9ghhDQokDAXj2BfPVME+X29tAP73TSRBT2iiQ6dsiCJfEp6F5ySdFsz01vPqFchEGfYSlhMP5EuQRcHwWzBWcbfHg+l6NrSEftNeo6J9oEjJsYmBMcnFMSYUYv7QsiaVRdeuobHtXEAADOKFwf0nFxXL4mmiTp8Fi3DSFqIq8zG0BnnEHYl+hJXjBUGHMAvtHvB6WE5co2Mkk3EdhstyxkRMPV23wSosaSJTEiRO3up6fqaHR546MAgbjhPqikpLQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=4R18pwpZs4MCAT1nUpfEebB1dGvjB+oR2X9XNPWO4p8=; b=cxLXo3OvLrTa628//kIET7Ti0V6/UZFRGi9WHq1SXkLaJWXQcI3oYPMnBjQ7xLW0zTObAoEjQLfK43tQmNc6mLfp/lWYt8DWQCyoCc9Rnb//ecM/57CfmvxCySwNMe5n+PKd+Ig1TQXRcim1T4Kx5kFPFl088aE8yTpp0FEh3HM= Received: from PH0PR10MB4759.namprd10.prod.outlook.com (2603:10b6:510:3d::12) by PH0PR10MB4408.namprd10.prod.outlook.com (2603:10b6:510:39::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5144.21; Thu, 7 Apr 2022 03:18:23 +0000 Received: from PH0PR10MB4759.namprd10.prod.outlook.com ([fe80::48e3:d153:6df4:fbed]) by PH0PR10MB4759.namprd10.prod.outlook.com ([fe80::48e3:d153:6df4:fbed%4]) with mapi id 15.20.5144.022; Thu, 7 Apr 2022 03:18:23 +0000 To: Christoph Hellwig via Ocfs2-devel Cc: Jens Axboe , Christoph Hellwig , jfs-discussion@lists.sourceforge.net, linux-nvme@lists.infradead.org, virtualization@lists.linux-foundation.org, linux-mm@kvack.org, dm-devel@redhat.com, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, drbd-dev@lists.linbit.com, linux-s390@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, cluster-devel@redhat.com, xen-devel@lists.xenproject.org, linux-ext4@vger.kernel.org, linux-um@lists.infradead.org, nbd@other.debian.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, ceph-devel@vger.kernel.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, ntfs3@lists.linux.dev, linux-btrfs@vger.kernel.org Subject: Re: [Ocfs2-devel] [PATCH 13/27] block: add a bdev_stable_writes helper From: "Martin K. Petersen" Organization: Oracle Corporation Message-ID: References: <20220406060516.409838-1-hch@lst.de> <20220406060516.409838-14-hch@lst.de> Date: Wed, 06 Apr 2022 23:18:21 -0400 In-Reply-To: <20220406060516.409838-14-hch@lst.de> (Christoph Hellwig via Ocfs2-devel's message of "Wed, 6 Apr 2022 08:05:02 +0200") Content-Type: text/plain X-ClientProxiedBy: SN1PR12CA0078.namprd12.prod.outlook.com (2603:10b6:802:20::49) To PH0PR10MB4759.namprd10.prod.outlook.com (2603:10b6:510:3d::12) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b2ad1994-3c3d-4e6a-83b6-08da18454625 X-MS-TrafficTypeDiagnostic: PH0PR10MB4408:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: SLUvISXJLjYUGupRQ2XT1s9tBnJewgVitQqt3VbaYK1TlsSRvia+IY6r1cACAlU0Wa9sgavIuhykxLRm2HHe0Pdr64qYaVsO1e2Y/l7KspFO8oSlqX4OsmfRnYdI20hlWEaGs4kWvsvm/5mVwcwnyEKRAF5RE9SHBE1Knr0mMH/zSmqo4bp3hkT82WooPA8N5riuntQXkoB/rNN7cnESYFFPL2asRWA+jwPCZVUphEvJ5XPFvyT1z2Eq+NQwtwzdcvgLA+IBZswJePmovMcCLym7FxouJeyk0vlpY3eLrZNZhP/6ECTKFt+JJ0PAaO6eArEkX+hClm4sYV6QFop66FauGhK2UYdYYA4opvhsBScbB5d4Ed8/cQCqQQ+dhdvW9pdbQoPmm06l/Ahmogsm7wLzTX0M+JEoODGs33L2YsXb/cL8UawqLEDKnXTkjWs2M1XmfwZ/zkzZFNgzArnuUVx7eIPt65HU/Tk1oJrY5ysSRqrw4b3w46oDSItf5KrU9Dp9eoCGmADWlTqdgPqBj3kN9pTb8d0Oc2PybL2XdJH8pDG1B1GumdgkmZjBrEvoXcN6aVgIojHhHdUHDGeGkGQtFkG19FJ6njKmifx5j1yJA5ZsiOBoHwLYh6Zi5wpftFEN5GFzmaxFhO7stvzBoqXlPrLN/M+oOPsEm60V21SQkSDCCwDKlkOodU+X+oC+TQ95BXh9aAkiCMJct1gRlQ== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH0PR10MB4759.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(366004)(508600001)(6512007)(26005)(6506007)(36916002)(52116002)(7416002)(83380400001)(186003)(5660300002)(2906002)(8936002)(54906003)(316002)(66946007)(38350700002)(38100700002)(6486002)(6862004)(66556008)(4326008)(8676002)(66476007)(86362001)(558084003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?xIsd0zLwcVDDnh7s1S0dJ4gppcaVSQwl81pqFbYz/+egH66fuo2Jc5jaKjrG?= =?us-ascii?Q?5iZ9E5EH+nYNwN8C6r3SBW1b9dbddV+7pieUtyv0jx1J2YD5Zzt/4MLaM/ko?= =?us-ascii?Q?I0nzssasq8sQbtr6/sAG7CmZrQpDLmiT+qpBj3wFUafqk85W+Drzww2xyEpz?= =?us-ascii?Q?wI0DSIThoePrDVlDDs8ivw9D3oeEGiNA1ioOAExJdUzArdsS8jer3gKF+rO2?= =?us-ascii?Q?ZvU220BzEAtzCOhzO8Ff/U2ZjsQ1TkmSKxflXEjpGHY0cJ6zhVVNNp3HB2iC?= =?us-ascii?Q?bX3J9jWoS4tsyz+wWwpJJrTnQJ4zPsO6+ki48PWPdsh2euaJ36jks7y94hZi?= =?us-ascii?Q?V/cN3QBs/4R9l81o4Uwurg0tzElEY/5T+H3wo6uTYg2ylkdH/Jmw+nqKzPGN?= =?us-ascii?Q?4YDGYkt9Sug99AMbl29IOHzCzYc1oUBMobgGJMbLklxYvuIgUIRrsWnRJuqi?= =?us-ascii?Q?ZIyHsyLPdR2QF6NwFaadAFAn1tjlB3IQVnjCjWkj7L+oJGFk7P8W/uJEo5Q5?= =?us-ascii?Q?T/c5ZzvwDW+94AZzbaWiENJI4Ctp/2vbovviAIZVOJEhMqaojguOJt2bRJMO?= =?us-ascii?Q?Y+748XcIrXL8IEUWvTiHgZYiOOsIhJzz0+hHIvk/yly9LJ1+hb4pRfxtnTC5?= =?us-ascii?Q?TMf3WWY/vby6rTVShdQNrzoNMGjnbcEHW7hNd4ZksoAX6LVufUAbUaL8PF6m?= =?us-ascii?Q?VBzXXc97sA+qu+HcVVA9PAVO5u2rWh6e0kIw7MFVLOcKd2Q/DqcKYobFs41O?= =?us-ascii?Q?qY1zIbQjB89zPwjOOdwl9orWX0fCdfuawnQpOhIToO1UVkhmzdymnn5Lkq+x?= =?us-ascii?Q?Xz3U/pDNM/7XXFjSc95PFNwEi/Rdc4l2bxSZMAdvqQZIGrzqapnBUMY4CD33?= =?us-ascii?Q?d5giA1c9NSqUUoQSi6SS3Oxsne/7mmvsWjGhDB02IB3O3qXiUVZGLVls3g1r?= =?us-ascii?Q?FGY3G0vC8ZetoHeQa8UMBfEYNwQ6KkCWJpwhGISTrgTb/Nq3vwYOP5kWdY3k?= =?us-ascii?Q?SAwF+RAnM4qU1Z4QNlCBrx662uuC9IawT2Kk9A+lXP16FAm8vQ9b6IOy2X3D?= =?us-ascii?Q?rQf3kx/nU4QPe2JannqJimA8cG+wIGuoTH0Xf7v8vbEIVt8dpGHnpSH6qIZj?= =?us-ascii?Q?sbTPBIThpBD6cDEiSSSjKMB9pZrBK1gwMWBy1kiw+T71IBnMkc0gjPpFkFO8?= =?us-ascii?Q?InOFEkVOZfl/2n5j8jRuyH8wA1H8KkddXKUwqZSERpwjVZmXvDo8Fp9laCpo?= =?us-ascii?Q?MmB40C2ECG/Cue6W8SMe5Y9zunHmiBcfxendBmJgFqnPzHwH65DkGs4y56eK?= =?us-ascii?Q?RU7FxGRN84qz5e01RViYgxspfOMT+NtQsKRINgp4oywm5U3jLnumrYnaYT1M?= =?us-ascii?Q?/sG2odArhsDNTeuPtDYCCTCKWNrFHuibcJ4SfhQVefycP+gdmnxHjEdB0p5e?= =?us-ascii?Q?wl3LG9BFWzfHBRcE24beJ2a60HJYtr5i51pQOOWU0+3NRhTcrkxMQarzn+o5?= =?us-ascii?Q?U6JvwGc1Sis+FYUsNIKJzbs07TCq2AeZmof1g/k779pG7UMHfg2oKC5dAD0o?= =?us-ascii?Q?0+diKePSeMM9CRHkEK58cTVlS+sTGDjnhSWvaOM2zOWO69Ny5CaatYLC+rAX?= =?us-ascii?Q?OHcId1N0UPO0A8mnGFLCCFEgJ72887m2LOfEr5JhHePt4eLhRXXQJ0jVUXrb?= =?us-ascii?Q?6Ag3ZB/97Kzn3SXO2TvruRccP3HpJnQWG/K+tS+j3t7o22HdESkN69evPfSL?= =?us-ascii?Q?kLkG+Yu6HtWm/SQFpdF0wHGl3iEZ90M=3D?= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: b2ad1994-3c3d-4e6a-83b6-08da18454625 X-MS-Exchange-CrossTenant-AuthSource: PH0PR10MB4759.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Apr 2022 03:18:23.6582 (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: hZ9wn6/Z6Gqa+JKgYT944VbgDZ5imkniqjRmEsIQ1javdBvsN1/Na1raINqCIDzfpbrVWYGXUV59K401IhUHeyecdeVGfgDhGALhkfADxIA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR10MB4408 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.425,18.0.850 definitions=2022-04-06_13:2022-04-06,2022-04-06 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 suspectscore=0 phishscore=0 mlxscore=0 mlxlogscore=946 adultscore=0 spamscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204070016 X-Proofpoint-ORIG-GUID: Yoj1mmlMui-AZzQWBd4yidsBNyVdnJfj X-Proofpoint-GUID: Yoj1mmlMui-AZzQWBd4yidsBNyVdnJfj X-Stat-Signature: 1fjhcyzdiacnx9wi36hh5pznkm5zxyqs Authentication-Results: imf05.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2021-07-09 header.b=K00aU85P; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=cxLXo3Ov; spf=none (imf05.hostedemail.com: domain of martin.petersen@oracle.com has no SPF policy when checking 205.220.177.32) smtp.mailfrom=martin.petersen@oracle.com; dmarc=pass (policy=none) header.from=oracle.com X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 51F8910000A X-HE-Tag: 1649301508-167417 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000005, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Christoph, > Add a helper to check the stable writes flag based on the block_device > instead of having to poke into the block layer internal request_queue. Reviewed-by: Martin K. Petersen -- Martin K. Petersen Oracle Linux Engineering