Message ID | 20221005070105.41929-3-chandan.babu@oracle.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Wed, 5 Oct 2022 07:01:28 +0000 Received: from SA1PR10MB5867.namprd10.prod.outlook.com ([fe80::822f:1816:1c2c:43d1]) by SA1PR10MB5867.namprd10.prod.outlook.com ([fe80::822f:1816:1c2c:43d1%8]) with mapi id 15.20.5676.031; Wed, 5 Oct 2022 07:01:28 +0000 From: Chandan Babu R <chandan.babu@oracle.com> To: gregkh@linuxfoundation.org Cc: sashal@kernel.org, mcgrof@kernel.org, linux-xfs@vger.kernel.org, stable@vger.kernel.org, djwong@kernel.org, chandan.babu@oracle.com, amir73il@gmail.com, leah.rumancik@gmail.com Subject: [PATCH 5.4 02/11] xfs: introduce XFS_MAX_FILEOFF Date: Wed, 5 Oct 2022 12:30:56 +0530 Message-Id: <20221005070105.41929-3-chandan.babu@oracle.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221005070105.41929-1-chandan.babu@oracle.com> References: <20221005070105.41929-1-chandan.babu@oracle.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SG2PR04CA0181.apcprd04.prod.outlook.com (2603:1096:4:14::19) To SA1PR10MB5867.namprd10.prod.outlook.com (2603:10b6:806:22b::9) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA1PR10MB5867:EE_|MW5PR10MB5808:EE_ X-MS-Office365-Filtering-Correlation-Id: 66c47b92-5d37-41ba-dc78-08daa69f6cef X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Series |
xfs stable candidate patches for 5.4.y (from v5.6)
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expand
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diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index c968b60cee15..28203b626f6a 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -1540,6 +1540,13 @@ typedef struct xfs_bmdr_block { #define BMBT_BLOCKCOUNT_BITLEN 21 #define BMBT_STARTOFF_MASK ((1ULL << BMBT_STARTOFF_BITLEN) - 1) +#define BMBT_BLOCKCOUNT_MASK ((1ULL << BMBT_BLOCKCOUNT_BITLEN) - 1) + +/* + * bmbt records have a file offset (block) field that is 54 bits wide, so this + * is the largest xfs_fileoff_t that we ever expect to see. + */ +#define XFS_MAX_FILEOFF (BMBT_STARTOFF_MASK + BMBT_BLOCKCOUNT_MASK) typedef struct xfs_bmbt_rec { __be64 l0, l1; diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 904d8285c226..dfbf3f8f1ec8 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -1544,7 +1544,8 @@ xfs_reflink_clear_inode_flag( * We didn't find any shared blocks so turn off the reflink flag. * First, get rid of any leftover CoW mappings. */ - error = xfs_reflink_cancel_cow_blocks(ip, tpp, 0, NULLFILEOFF, true); + error = xfs_reflink_cancel_cow_blocks(ip, tpp, 0, XFS_MAX_FILEOFF, + true); if (error) return error;