From patchwork Tue Nov 12 12:42:54 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 13872174 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C456A1FA82E; Tue, 12 Nov 2024 12:44:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=205.220.165.32 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731415474; cv=fail; b=Y9LcO43jmBoxbciLDHr1oGIuEYlyuy8jqybUnhvLuBPJHIVgRh8EECywMKijleX4kNfVFLGLFyn5NxJ/u74nWRqSnkjFqMho67C/wZGuuAUZrJ9NF5MWcz8tp5szUmlPacGJ+B2dgBN4X1S0ohTVtc5P65Fa594qVxErIMDpNJw= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731415474; c=relaxed/simple; bh=l8jWHfcLWmfiyOix9ULPk9fyb0xYOjtbPQAshuwY22E=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type:MIME-Version; b=o3f3WB3rQNCGfBR/BBd+IPkyeHDTPb17zVnEGOLwT1mr2duOFSmoAqeusu3/bWrKCfW9mhLy2E7adwOhgzspU+IyyMG1r2fwqStW3NWmWxe8FMeleZfCdx3cY2esO4fHW+6bEUt0/Lj7rSIPMoCvpZoU7qFNpmSCi1Qeun2GcKQ= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oracle.com; spf=pass smtp.mailfrom=oracle.com; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b=f7JYi5Gf; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b=A5ftvaHJ; arc=fail smtp.client-ip=205.220.165.32 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oracle.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oracle.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="f7JYi5Gf"; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b="A5ftvaHJ" Received: from pps.filterd (m0246617.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4ACCfiLH017452; Tue, 12 Nov 2024 12:43:21 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s= corp-2023-11-20; bh=H1sClM6+eh1zgJaFPbwdJ29io/dAbFTNuW/1IeGVBZU=; b= f7JYi5Gfn79OGOO1N0ofgbe/iAjnSfB0VUS5vy9doSQXKJrTZHPZ8/keUOXMBswq EbCOYGNWDnxb5jWMKEUrsZ2Z0owCegLp9IA0zhLN/liXoASAFD04d83nNxKCMg1S XcjiKpV4oocaxblsten30IZ428sPzyrxEBUdwA1PgKI3uQ989kJCMhQ97xrEEu9h gtuDmfJ0xDAyVZgVknAXswpgY6z6RDmKRP7swbqdjsTrmBclCfem983ihNWKJ8pN 4sMh24fMdbUdVzxWze05QGH8NqhbHo0Cnqg41dXOy5rJWvczOXXvFdD/yIXF+sMd QZSl677f1gWjgt4nhffFmw== Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.appoci.oracle.com [130.35.100.223]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 42t0mbc8fu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Nov 2024 12:43:20 +0000 (GMT) Received: from pps.filterd (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 4ACCX4Ga005677; Tue, 12 Nov 2024 12:43:19 GMT Received: from nam11-co1-obe.outbound.protection.outlook.com (mail-co1nam11lp2171.outbound.protection.outlook.com [104.47.56.171]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 42sx6825sj-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Nov 2024 12:43:19 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=NEO5N+tJ+nctnVlK+7oypYV2h6qcaiBY2dDiBeWOWnDrAzpSMPFCqZ7BVIM6on+6UtU79hc1tLA87eRNTA3g+tDuQSHrFnnU+tS0vdcx8+YBGdN0xmyOUv0stytUY8pszDCjyCqd+dLyNgA23vkfzUPLFaUF5cn731c8oMqv8WqVMOa2akGzwkZZHigCkB4GogxMdty8SlFB44AGbdI5WuquMpVjChvmXxCB17cxHISMiuTeyQwSibFWb4cDkZEn7gCYAJKs1c0mnyVeAPVaNBOYsxMuAMpsVhaT+URU/IT3xAQfmO+AE/ld8Na4uWkdVlOIjQFRhn4lin4/BkSYFg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=H1sClM6+eh1zgJaFPbwdJ29io/dAbFTNuW/1IeGVBZU=; b=tz9gilnOBkzvmpsdv2tqvMhqE2mYo3HvnYSBD36+LF67S2uDR/P/kovhwXEWPXDn801efxEbo6GkoatfO7kvQRZQZdIGy3fG26GxkQgjNPDrfkIcDYWCZw74jpjSy13La/L4v19H8Mp8nNTyM6Sr+a5N2s9tFRIfOpwKH5rjJqnqkgjEj7BSCVn1IiLT88wDQGW925LpfNmprXFJ+TFK/W/DMitN/1yC79CZZDh5G/9GoplqlQya/gb5j3+VoBqvzeNIjfvMns2QreWuZ+k7xZtGZtto4ULIuS4bX/v1173W6stYbSDs/Gvkv286TcA1Fz1l/WDDmfOFwp029E+PJA== 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=H1sClM6+eh1zgJaFPbwdJ29io/dAbFTNuW/1IeGVBZU=; b=A5ftvaHJGNu6JmK2ae2l7sFDBjPsgd5ZY90QIhfidWlFXxEi20ukfVw4Lm7NNpxQRqWpUDq15Ly6suC8cq+xfqxwVYURNjF3LGpUl0iMev/u6L9TmXwchbr9iawSgQ9LHmX5KoUlGC3/scmLB3FVNmKy+zFuVqUZLfIRCF1gY+E= Received: from DM6PR10MB4313.namprd10.prod.outlook.com (2603:10b6:5:212::20) by CYXPR10MB7974.namprd10.prod.outlook.com (2603:10b6:930:da::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8137.27; Tue, 12 Nov 2024 12:43:12 +0000 Received: from DM6PR10MB4313.namprd10.prod.outlook.com ([fe80::4f45:f4ab:121:e088]) by DM6PR10MB4313.namprd10.prod.outlook.com ([fe80::4f45:f4ab:121:e088%5]) with mapi id 15.20.8137.027; Tue, 12 Nov 2024 12:43:12 +0000 From: John Garry To: axboe@kernel.dk, song@kernel.org, yukuai3@huawei.com, hch@lst.de Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, martin.petersen@oracle.com, John Garry Subject: [PATCH v4 3/5] md/raid0: Atomic write support Date: Tue, 12 Nov 2024 12:42:54 +0000 Message-Id: <20241112124256.4106435-4-john.g.garry@oracle.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20241112124256.4106435-1-john.g.garry@oracle.com> References: <20241112124256.4106435-1-john.g.garry@oracle.com> X-ClientProxiedBy: BYAPR07CA0026.namprd07.prod.outlook.com (2603:10b6:a02:bc::39) To DM6PR10MB4313.namprd10.prod.outlook.com (2603:10b6:5:212::20) Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6PR10MB4313:EE_|CYXPR10MB7974:EE_ X-MS-Office365-Filtering-Correlation-Id: 43ce4178-d3e3-451f-3f7b-08dd0317919c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM6PR10MB4313.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(376014)(366016);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: 43ce4178-d3e3-451f-3f7b-08dd0317919c X-MS-Exchange-CrossTenant-AuthSource: DM6PR10MB4313.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Nov 2024 12:43:11.9520 (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: KJKDypNWb+hDNkK3IsnaJsQtFBWLWlaYdibVM6q1Erk/8ri471G6FkGXAeKt7DPW0Vqx7wdJx/LrJ+mIPnkZhg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CYXPR10MB7974 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-11-12_05,2024-11-08_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 spamscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 bulkscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2409260000 definitions=main-2411120102 X-Proofpoint-GUID: gPXgOeXhFCeqKJGO470n9ayF1rLpxr2u X-Proofpoint-ORIG-GUID: gPXgOeXhFCeqKJGO470n9ayF1rLpxr2u Set BLK_FEAT_ATOMIC_WRITES_STACKED to enable atomic writes. All other stacked device request queue limits should automatically be set properly. With regards to atomic write max bytes limit, this will be set at hw_max_sectors and this is limited by the stripe width, which we want. Reviewed-by: Yu Kuai Signed-off-by: John Garry --- drivers/md/raid0.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index baaf5f8b80ae..7049ec7fb8eb 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -384,6 +384,7 @@ static int raid0_set_limits(struct mddev *mddev) lim.max_write_zeroes_sectors = mddev->chunk_sectors; lim.io_min = mddev->chunk_sectors << 9; lim.io_opt = lim.io_min * mddev->raid_disks; + lim.features |= BLK_FEAT_ATOMIC_WRITES_STACKED; err = mddev_stack_rdev_limits(mddev, &lim, MDDEV_STACK_INTEGRITY); if (err) { queue_limits_cancel_update(mddev->gendisk->queue);