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 X-Spam-Level: X-Spam-Status: No, score=-8.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 783DEC43381 for ; Sat, 23 Jan 2021 02:46:23 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 40C6423B55 for ; Sat, 23 Jan 2021 02:46:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 40C6423B55 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:Date:References:Message-ID: From:Subject:To:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Fl4E63NmDtlAtSXc0ROXj46FGiCBM8c22nIC/yvenw4=; b=WA4lsekydrRxn587KX8qX9EQC d8/lpENL7zFXOd2i53psz6AVXJAQ347HrT+varKbFDdU5cJZtD/buXnMz5S1KUmSVU2TpWnaEQlmE eJlmNUiOE2EwbvRoMD9XpMKb74iFnPOWHH6NljD+l2n44173VBqmL4Mbjo8AE4gsToyxiwORQRiOw Do5cH2O1370Lf9LYTeToCLmzaopn3E6v/ad8/PsWeJhskpfyM2CKFcGiDMxyTcv90OgVf3HTU4Bn8 w254uHSTCxlgrPSx8ClFPGBu/LF+z0LsdAzBFQVsBfTUp6Z/P46SihytuEFTqeBzS7Rs8p8TkrgXM 9POFtY8xQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l38wF-0007i9-Cj; Sat, 23 Jan 2021 02:46:11 +0000 Received: from userp2130.oracle.com ([156.151.31.86]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l38wB-0007h7-FE for linux-nvme@lists.infradead.org; Sat, 23 Jan 2021 02:46:08 +0000 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10N2k5fe002020; Sat, 23 Jan 2021 02:46:05 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-2020-01-29; bh=3Z5pVgs6USoOwWSapD917KxvDc7TXKgVrsT6hHn7S1E=; b=Xlr+SdJs9AwhIB9rC+HD/xeWu/Bo/tcx3p3xdF3LQD6dJsJgcvX8yr9ieuD2UxAQF9SE hUhLNrtPxGwWFft8gsPAw+RQ4Qm7/n7qoT859LkvOmLoFGCQrgOioAt5FYXNrwpyLX77 l3DcRUk3J+/u0njvfIUQ0iy9KdGM65me7ru0yVbrFHZXRRzeLst5YFa4FFRYT0uEvzrq Gv/kJ3ccSy5bhh3xo0E6AaVZmbMepSYy5oNLqvXVq3fHlj/obMYFWUKUUiBorMVvKRit fz+RMx9dD6JxjBIG6W5f7Kl4686eBBJTG6JxK6PBipUGxOW9Yl9V+xyepy+Ftl3O23Px zQ== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2130.oracle.com with ESMTP id 368b7qg071-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 23 Jan 2021 02:46:05 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10N2aBKV145083; Sat, 23 Jan 2021 02:44:04 GMT Received: from nam12-dm6-obe.outbound.protection.outlook.com (mail-dm6nam12lp2171.outbound.protection.outlook.com [104.47.59.171]) by aserp3020.oracle.com with ESMTP id 3668rjdvt2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 23 Jan 2021 02:44:04 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=B7ueRgd2ZYYNcnot9lIHjxjY9+zL+fqa/ULxCA9QpBGsScwnWLW/YmO9kDtDn4DIdFLMG98kdbNUVJRVC9BGn4MUVHgHm3xHlXg0HU65LDKc5Ve48Yxy9+j1jhR5Nu7jq1TUFN2bBhi3JArCJaDr+fgHnjGzVOLYWBNQETV2ZrppxUflhhPAESw7kynxGvl0n0d3KjSn7P8zLKg7FvdkbI6zSYFMov3+7x8dhRMwhtPqNTcddr0J2WCyDhTEjZrdqbm9xxbebd3JxADQPENTwtqOv+PynbRBtnXwhlqu5Lz5SGXUj8M7zERBgMCmju/9vwsY8aXpCqWKW1SxHlH3nA== 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-SenderADCheck; bh=3Z5pVgs6USoOwWSapD917KxvDc7TXKgVrsT6hHn7S1E=; b=cC7BYHxj5LNepWXsgI+yC2iXt5ydNllkGjQ7muMuz0QQBbwNeaDAsyLc6USW7xKD1T2PJd4t4ek6/5A8mlClgb5iwXccbTyPyU8E3gOhXP1UOgNCAGzrUloibGpsGJVYzXEtId2LqLzIhSS/UNgO6yX41lZ5adJLRj0j8s+Fas8jCNb1UhDD+1y5vMb9s2B7quWdhKauZ/gGYvEJ9tJdiJG+ElAt7FDmCSrETupRMplLBkGD2tatqYeQC8uCzK77Z6lNTfwrX5NNmtY7J0aH6Y5Mm48M4uvty95iHDlXthbMFwFZdWRxWcSGPjRv76k/d0r8DSREA609JiDeuMlrDQ== 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=3Z5pVgs6USoOwWSapD917KxvDc7TXKgVrsT6hHn7S1E=; b=VYPZlLJ7u/6emSWNmS6PiWnURlrCTkevwqy1Heuqmy/YN9HVxcMuLACmoDuK2Y30cEjFwoL9kHqDc04VOzhHplilDjO/qVTA3ZKki2GFaoxWxcZn5p6eEGTKjgzOSFSykBZWKsUeJge0QkcBavWX27RwyladozgoIRH5kO7P/P4= Authentication-Results: wdc.com; dkim=none (message not signed) header.d=none;wdc.com; dmarc=none action=none header.from=oracle.com; Received: from PH0PR10MB4759.namprd10.prod.outlook.com (2603:10b6:510:3d::12) by PH0PR10MB4536.namprd10.prod.outlook.com (2603:10b6:510:40::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3784.13; Sat, 23 Jan 2021 02:44:02 +0000 Received: from PH0PR10MB4759.namprd10.prod.outlook.com ([fe80::54f3:a8aa:a2cd:a3a4]) by PH0PR10MB4759.namprd10.prod.outlook.com ([fe80::54f3:a8aa:a2cd:a3a4%5]) with mapi id 15.20.3784.016; Sat, 23 Jan 2021 02:44:02 +0000 To: Damien Le Moal Subject: Re: [PATCH v3 3/3] zonefs: use zone write granularity as block size From: "Martin K. Petersen" Organization: Oracle Corporation Message-ID: References: <20210122080014.174391-1-damien.lemoal@wdc.com> <20210122080014.174391-4-damien.lemoal@wdc.com> Date: Fri, 22 Jan 2021 21:44:00 -0500 In-Reply-To: <20210122080014.174391-4-damien.lemoal@wdc.com> (Damien Le Moal's message of "Fri, 22 Jan 2021 17:00:14 +0900") X-Originating-IP: [138.3.200.58] X-ClientProxiedBy: BYAPR06CA0014.namprd06.prod.outlook.com (2603:10b6:a03:d4::27) 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 BYAPR06CA0014.namprd06.prod.outlook.com (2603:10b6:a03:d4::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3784.14 via Frontend Transport; Sat, 23 Jan 2021 02:44:02 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 7ed103e4-85d9-44e0-e61a-08d8bf48be62 X-MS-TrafficTypeDiagnostic: PH0PR10MB4536: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5797; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: H5atxCXnPbpO/WePFSRnbFo3fFo6uWTOsx+6h3qGQLmV5ZfSNnTVfnWKE+aZX3lhdefgCRWoaYzGP9CEyMdCwkEmzxR3BuLLj6B7tPNJlnIbe7Ap9zSOh1Y5DYgJJABWKiWUT1qOP65DweB4PzlR0gCjiIgZEsUTjO8Ad0j3W17u3AxKyAkGfpgWLvMtPgVD3Ie7Tp+0mg81LuApdeecDDIZxv5qhBLFMsmec5vpGnC91awxfQ8N1civbR7b13VqZZFIWm9KaR87ujk5T/X+AjN4vQLoAhYvRLt7hUsiQkDdaH/BNhM4Fa21y60w8kMQHPRflkTPFVATV/Gi0eiWPnMs6HgOQFiknMlrueuTSuxTMiGLxJRWa/kflWHE7Iz87L3gI85C/lue1d0Xlxmh7w== 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:(346002)(136003)(39860400002)(396003)(366004)(376002)(36916002)(52116002)(2906002)(8676002)(5660300002)(7696005)(956004)(4326008)(4744005)(186003)(16526019)(26005)(6916009)(54906003)(66946007)(66476007)(66556008)(478600001)(8936002)(55016002)(316002)(83380400001)(86362001); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?A8oIW8rMbuwnPA1Md18BPKxyIsk9A/mDoYN/SU7MRSNB1ELmH4S+zKTKObPS?= =?us-ascii?Q?oZsuU8XlxHbMY13gsmNf31gXt0a4CsbqvXHsDvWXh636kO/1VTAnBDBS8zzZ?= =?us-ascii?Q?2/L+Z9Z9Py3SyFhAl6VF6V3NGV5nkndsljd3UTVYWgqvYnhTIgaVv4VdgG/U?= =?us-ascii?Q?tNbxgMaZW9rAotSnNyidexVnOKlMSe19Br/DrttILnjdYW3wDxHlDXa3aETe?= =?us-ascii?Q?5fW6tbdsD8kOi11pB3Kg/Ce+/QaWn8K96ycVe00Mbj+BHdnGjcaOq21LBr6s?= =?us-ascii?Q?IewpT8vZ8yHMBXRPjq1eitO6J9gdF4pGJ00EptRoBTpGA7dKdfwwen1CgRXf?= =?us-ascii?Q?Y2o1wD0RszUKYNBhtRB8TYuGWiT/YCLsxQfB6DB3TLqXFerkXDROm7P7Qp0y?= =?us-ascii?Q?wtwQTzphajVcOazxDfZ/WwLLWQIR3OYydyY+Hlo2BKMRxNGGWYHwBzdd6daG?= =?us-ascii?Q?SkP/TneCTXlQBZ3luL0DnywRdJ6E4Cmyydcr4VeVX/mRpBulnCVgBXt1XNoD?= =?us-ascii?Q?S29ZPBzGR4k59YEqRFlFmwE+H+3Mp3zyEoGwnqxNc8uGgPUlB5wlyiUox4zU?= =?us-ascii?Q?aZRV5wPRI6SY06tC5zgDx3AKVCtVheoLkmlIqaRbsQX36+jhtW7f+cUrGjny?= =?us-ascii?Q?SoiZvdYCr9Avx15mOdrSsIZm8NGTNP4f4h12px43xC8jNbfAM8vVOh5OI07X?= =?us-ascii?Q?lvAeWxvfpd5DYvl8M/FqyhhaxGU3L210u26MGH7MQ0ivW0lCRabA7OdFlZHJ?= =?us-ascii?Q?SusklGniKQfb6oIMDBj8i7Zbfqtnn2bWwrLZIBnSCtPZ4haEN1EGvdJbHxdd?= =?us-ascii?Q?HpLSl7XkHFiRHTH/ErWK7ycr0OeLXAaZffN4yLDD0f4BFiA++G7lOD7rI/f7?= =?us-ascii?Q?oM463X9c1bcV0HpzIohTT+YEQafDop/XDOIvWpXALur3fyU5MZnZJ6S+qNil?= =?us-ascii?Q?4S34jMyyBbT5YJ9+7PB+tSpz7s+GrVsZ/wjrGLdINg0wuCMDdA80rsO9slhQ?= =?us-ascii?Q?wbUswfsSEUr7DAtAYgMI/5U46a0+mg4wCkFwf8fwDKokJ/emNZQQkYACzswj?= =?us-ascii?Q?OChy/xyM?= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7ed103e4-85d9-44e0-e61a-08d8bf48be62 X-MS-Exchange-CrossTenant-AuthSource: PH0PR10MB4759.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Jan 2021 02:44:02.6574 (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: 72UKxEPr1pz68mPyyXilMoMAkcyIOKguhz+F5fcI8wnC3rG0XFP2ZYpHV4OEUfTymMPeSr46j6dfQh+pF6yu1itCfuYvY2XxemvgRyeHvzY= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR10MB4536 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9872 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 spamscore=0 suspectscore=0 adultscore=0 mlxlogscore=999 bulkscore=0 malwarescore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101230014 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9872 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 spamscore=0 phishscore=0 adultscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 mlxscore=0 clxscore=1015 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101230015 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210122_214607_646213_28C6C36C X-CRM114-Status: GOOD ( 15.07 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jens Axboe , Keith Busch , Chaitanya Kulkarni , linux-scsi@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, "Martin K . Petersen" , Christoph Hellwig Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Damien, > Zoned block devices have different granularity constraints for write > operations into sequential zones. E.g. ZBC and ZAC devices require > that writes be aligned to the device physical block size while NVMe > ZNS devices allow logical block size aligned write operations. To > correctly handle such difference, use the device zone write > granularity limit to set the block size of a zonefs volume, thus > allowing the smallest possible write unit for all zoned device types. Reviewed-by: Martin K. Petersen -- Martin K. Petersen Oracle Linux Engineering _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme