From patchwork Mon Mar 4 13:04:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 13580574 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 0D32340BE5; Mon, 4 Mar 2024 13:05:31 +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=1709557533; cv=fail; b=AqhAkXS+IvKsZTu49K4Jnww0GDesv7E+6z1wybezbrUN23vRH3kcH/MHoLyee03CcgvLs8ifxNb6TjoS/bBIQrZWaWwDi/eCwnBlJTU2+DtEA7SlA8rixX2m2G9TaFCksGVkMJtXj6iEmZq1wqjocVFnTCpzgxVIGbaCAa4G9O8= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709557533; c=relaxed/simple; bh=/z4sEM9vsl+vl1q8/4TbI5aNcm10Pk2ueEnPwk/tJuI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type:MIME-Version; b=moVLBKud5/VA8sr/hfKB4oqCjcsI76gRholq4A2yx8S9tjvuflNEMsn8vAZBhAHdYxzwcINjByLSj62EncEe5+8Ap+ONPbWGyfyYxmQ0FTo3enogPjitnfljV1Xp3f4qdq7WL5x2R76tUJO+UJhl6WK+Z4cuUQahUxVUxgGWyxw= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none 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=k0/zdSqi; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b=H85MLe6O; arc=fail smtp.client-ip=205.220.165.32 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none 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="k0/zdSqi"; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b="H85MLe6O" Received: from pps.filterd (m0333521.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 424BTlDo006034; Mon, 4 Mar 2024 13:05:19 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : content-transfer-encoding : content-type : mime-version; s=corp-2023-11-20; bh=uL/AYD+j8Wm56sVAVNdKqVFkqBHuZvDY74wwcEjR92c=; b=k0/zdSqiwXaD/REFbOvseE0nop7yGlRIIQGJYSnyUFmgjiJI22Di9g0UZC51qeDkCbp7 1+8a+O7vst6X3acmL1seT3g0lDP/mXuqcy8gQX4F1/y3p0FQdNhMuxjrd0JcRbgtlcwX Ns805NecDUOWlRl7mtcUyhID5Od1zQSdewwBlITC93PL0PoTBoDseCyfXjzDWJqKL9gO 5Qfsrvee/VOTjEflJLSJaUnnui5Mnuyb3ncTtgVQXo8sxv670K2WmCN5BKBCbj9HDviR 2tijDuT7RfpBGF43QK+JewTWBjoTJSnM96IQRkPFIRBZsPdhI1VTynxMt1fdAlV82RIO 9g== Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.appoci.oracle.com [130.35.100.223]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3wku1cbh7x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 04 Mar 2024 13:05:18 +0000 Received: from pps.filterd (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 424BBOAI018965; Mon, 4 Mar 2024 13:05:17 GMT Received: from nam12-bn8-obe.outbound.protection.outlook.com (mail-bn8nam12lp2168.outbound.protection.outlook.com [104.47.55.168]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 3wktj5qgxq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 04 Mar 2024 13:05:17 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=I9BH1q8/+MxmT9DC5yx3SR3ZLukCFeU28k6TKo6xIhUO9EHR+bsi9Eq+ommPl2ed7gWmeKsgshyVWKUgY2kMBxItyERJnkXVcY9Kh7BeRsJhzQKnh5oh2pXSf9b61LOulMXqt61UKKdkuxVAyH/Ehl1YD/SzWI7m46UIjlKr0lh4NN4AquNuzpWfidCPN/wKynFcaPqlv4fWCy1sI8rPOzpn9QfNtlZrlqWNk3kvDPoVlEPAyQv5bsC0IGMeKS4EaCBZmvQWniodcdKZScVgTFcmPpdb70vhh6uMcepvGvK0MNfyp6Il0G5dy+WnHD7Jz0iNX5Glpyr62poDXiS8UA== 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=uL/AYD+j8Wm56sVAVNdKqVFkqBHuZvDY74wwcEjR92c=; b=dKifVh6VrrJdR6a2ucm2ucd3JRQzR4h2FXrgPF19tv0aAOhWBWBsOTG7kjYmHXHzMb1lbf4IixYvykU5FjVAOXEVYo2sQ0KfbonMs3bXw7XrKJCiS2EUG9BwnSqI26DBLPA6E+9jtTnMplw+GpptE6nanOZlJ4S6pvLnqFFh+JDt/DQFuynpk1viX3UslXzmcFporhaR54SFL2HxhQZKBr+REsE8m+a5owKRT8FTNQ4XUfa5tlVae0JLSAq1OWerfHCaVOmXYiGBIr6Bc9UctN9+XWt5Ey6zx8VyGPqzqN7JHrIF2Eq49xjJEwybwoUkctdOtXWCr1Ao0BKIhDuwAw== 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=uL/AYD+j8Wm56sVAVNdKqVFkqBHuZvDY74wwcEjR92c=; b=H85MLe6OxIwPwMuRRnrpRiq3aLpeBI/JWIaTFdqF4GbGBIU3vO4i60bs6BM3Hr2MexzIvR7kb/RfQOmoTAA2opuzmbrInGwntJRT0ILFMUZYuvIY+sSCz4gUaioH/KYwKrga+N8Ml5eCedPcl0YX2fV3hhR9pbkUNOz7h/MNlrY= Received: from DM6PR10MB4313.namprd10.prod.outlook.com (2603:10b6:5:212::20) by CH3PR10MB7805.namprd10.prod.outlook.com (2603:10b6:610:1bc::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7339.39; Mon, 4 Mar 2024 13:05:15 +0000 Received: from DM6PR10MB4313.namprd10.prod.outlook.com ([fe80::97a0:a2a2:315e:7aff]) by DM6PR10MB4313.namprd10.prod.outlook.com ([fe80::97a0:a2a2:315e:7aff%4]) with mapi id 15.20.7339.035; Mon, 4 Mar 2024 13:05:14 +0000 From: John Garry To: djwong@kernel.org, hch@lst.de, viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz, chandan.babu@oracle.com, david@fromorbit.com, axboe@kernel.dk Cc: martin.petersen@oracle.com, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, tytso@mit.edu, jbongio@google.com, ojaswin@linux.ibm.com, ritesh.list@gmail.com, linux-block@vger.kernel.org, John Garry Subject: [PATCH v2 08/14] fs: xfs: iomap: Sub-extent zeroing Date: Mon, 4 Mar 2024 13:04:22 +0000 Message-Id: <20240304130428.13026-9-john.g.garry@oracle.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20240304130428.13026-1-john.g.garry@oracle.com> References: <20240304130428.13026-1-john.g.garry@oracle.com> X-ClientProxiedBy: SJ0PR03CA0072.namprd03.prod.outlook.com (2603:10b6:a03:331::17) 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_|CH3PR10MB7805:EE_ X-MS-Office365-Filtering-Correlation-Id: 84bf7950-e820-4e23-84dc-08dc3c4bbb9d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: LMhQFY0DcaAChZnqlaYzmpewnwVyrQKUrw5pooS6cuqr/3wCtRgzFZe5rIYFWQlobTidlTUf9+Cqakq72NeHz+ZD9AMzCyuTQ6ZXWk8U9FMDwNQjBhKx1wHBirit9ajlXjJhZynlYugnfYj4yYd2HSOEcL0YguCStNGb/53iFCwGvN2F0Yek5baeCGziAT+MZ67ufymG6wSfm+AjY7JiEs3Q1OL2ullH/zNyrkq4QotlzhfhBs4TSA5tR0Iic6JdSKoaqltYydv+1751QlvMtLraqI1vlkpR22QUCI4SO+gUdCYRCk95eGgEbVgYDSVsknpr1z22rJairTn5KN2aoj5yzubUZB4YHEWORCvKcr0aTEqhBt+YN8hX5ETpWPBza2n1GWslpmJ3YzFt4J8sjKvcherKymXEhEj4Eyy1tRTxHMiU4sC3EB4CyQpH1TEQJeC/GWpJJV1Tvb4kyhhqea4td6vRsj9ob9Xi7fjhUx9fB3hcv3tY7MMJ7tBfM6YLHoMuKGKNMZU7/+rVew7vrbQyROkVO9b9C7rMX6ZjgleFjpnKIhZJxOD9DPWMnKuLYx1axPOF0/D7ZxbneLa85HKxes81BFEFRNfnSedohEe5AvY1IbSsoRbzweqlaeZ0OgnttVrJ/3BByrjYAD5tHoYdzqhpxDPfgHIGYMu2dDc= 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:(13230031)(376005);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: 84bf7950-e820-4e23-84dc-08dc3c4bbb9d X-MS-Exchange-CrossTenant-AuthSource: DM6PR10MB4313.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Mar 2024 13:05:14.8995 (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: KqNGMyOf/Ah9kXQ3rXeKgi8SGnW0lTztFlFSAgyc/6Q7apEn1iOJWcWkPqbNOW/vgjUJyuhTYfjjOTGcZxmnDw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR10MB7805 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-04_09,2024-03-04_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 suspectscore=0 adultscore=0 bulkscore=0 spamscore=0 mlxlogscore=999 malwarescore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2403040098 X-Proofpoint-ORIG-GUID: e8lg22jpYYc021IiyK1Mvmy4VjYVbQzX X-Proofpoint-GUID: e8lg22jpYYc021IiyK1Mvmy4VjYVbQzX Set iomap->extent_shift when sub-extent zeroing is required. We treat a sub-extent write same as an unaligned write, so we can leverage the existing sub-FSblock unaligned write support, i.e. try a shared lock with IOMAP_DIO_OVERWRITE_ONLY flag, if this fails then try the exclusive lock. In xfs_iomap_write_unwritten(), FSB calcs are now based on the extsize. Signed-off-by: John Garry --- fs/xfs/xfs_file.c | 28 +++++++++++++++------------- fs/xfs/xfs_iomap.c | 15 +++++++++++++-- 2 files changed, 28 insertions(+), 15 deletions(-) diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index e33e5e13b95f..d0bd9d5f596c 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -617,18 +617,19 @@ xfs_file_dio_write_aligned( * Handle block unaligned direct I/O writes * * In most cases direct I/O writes will be done holding IOLOCK_SHARED, allowing - * them to be done in parallel with reads and other direct I/O writes. However, - * if the I/O is not aligned to filesystem blocks, the direct I/O layer may need - * to do sub-block zeroing and that requires serialisation against other direct - * I/O to the same block. In this case we need to serialise the submission of - * the unaligned I/O so that we don't get racing block zeroing in the dio layer. - * In the case where sub-block zeroing is not required, we can do concurrent - * sub-block dios to the same block successfully. + * them to be done in parallel with reads and other direct I/O writes. + * However if the I/O is not aligned to filesystem blocks/extent, the direct + * I/O layer may need to do sub-block/extent zeroing and that requires + * serialisation against other direct I/O to the same block/extent. In this + * case we need to serialise the submission of the unaligned I/O so that we + * don't get racing block/extent zeroing in the dio layer. + * In the case where sub-block/extent zeroing is not required, we can do + * concurrent sub-block/extent dios to the same block/extent successfully. * * Optimistically submit the I/O using the shared lock first, but use the * IOMAP_DIO_OVERWRITE_ONLY flag to tell the lower layers to return -EAGAIN - * if block allocation or partial block zeroing would be required. In that case - * we try again with the exclusive lock. + * if block/extent allocation or partial block/extent zeroing would be + * required. In that case we try again with the exclusive lock. */ static noinline ssize_t xfs_file_dio_write_unaligned( @@ -643,9 +644,9 @@ xfs_file_dio_write_unaligned( ssize_t ret; /* - * Extending writes need exclusivity because of the sub-block zeroing - * that the DIO code always does for partial tail blocks beyond EOF, so - * don't even bother trying the fast path in this case. + * Extending writes need exclusivity because of the sub-block/extent + * zeroing that the DIO code always does for partial tail blocks + * beyond EOF, so don't even bother trying the fast path in this case. */ if (iocb->ki_pos > isize || iocb->ki_pos + count >= isize) { if (iocb->ki_flags & IOCB_NOWAIT) @@ -709,13 +710,14 @@ xfs_file_dio_write( struct iov_iter *from) { struct xfs_inode *ip = XFS_I(file_inode(iocb->ki_filp)); + struct xfs_mount *mp = ip->i_mount; struct xfs_buftarg *target = xfs_inode_buftarg(ip); size_t count = iov_iter_count(from); /* direct I/O must be aligned to device logical sector size */ if ((iocb->ki_pos | count) & target->bt_logical_sectormask) return -EINVAL; - if ((iocb->ki_pos | count) & ip->i_mount->m_blockmask) + if ((iocb->ki_pos | count) & (XFS_FSB_TO_B(mp, xfs_get_extsz(ip)) - 1)) return xfs_file_dio_write_unaligned(ip, iocb, from); return xfs_file_dio_write_aligned(ip, iocb, from); } diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 70fe873951f3..88cc20bb19c9 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -98,6 +98,7 @@ xfs_bmbt_to_iomap( { struct xfs_mount *mp = ip->i_mount; struct xfs_buftarg *target = xfs_inode_buftarg(ip); + xfs_extlen_t extsz = xfs_get_extsz(ip); if (unlikely(!xfs_valid_startblock(ip, imap->br_startblock))) return xfs_alert_fsblock_zero(ip, imap); @@ -134,6 +135,8 @@ xfs_bmbt_to_iomap( iomap->validity_cookie = sequence_cookie; iomap->folio_ops = &xfs_iomap_folio_ops; + if (extsz > 1) + iomap->extent_shift = ffs(extsz) - 1; return 0; } @@ -563,11 +566,19 @@ xfs_iomap_write_unwritten( xfs_fsize_t i_size; uint resblks; int error; + xfs_extlen_t extsz = xfs_get_extsz(ip); trace_xfs_unwritten_convert(ip, offset, count); - offset_fsb = XFS_B_TO_FSBT(mp, offset); - count_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + count); + if (extsz > 1) { + xfs_extlen_t extsize_bytes = XFS_FSB_TO_B(mp, extsz); + + offset_fsb = XFS_B_TO_FSBT(mp, round_down(offset, extsize_bytes)); + count_fsb = XFS_B_TO_FSB(mp, round_up(offset + count, extsize_bytes)); + } else { + offset_fsb = XFS_B_TO_FSBT(mp, offset); + count_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + count); + } count_fsb = (xfs_filblks_t)(count_fsb - offset_fsb); /*