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Thu, 1 Aug 2024 16:31:51 +0000 Received: from DM6PR10MB4313.namprd10.prod.outlook.com ([fe80::4f45:f4ab:121:e088]) by DM6PR10MB4313.namprd10.prod.outlook.com ([fe80::4f45:f4ab:121:e088%7]) with mapi id 15.20.7828.021; Thu, 1 Aug 2024 16:31:51 +0000 From: John Garry To: chandan.babu@oracle.com, djwong@kernel.org, dchinner@redhat.com, hch@lst.de Cc: viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz, linux-xfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, catherine.hoang@oracle.com, martin.petersen@oracle.com, John Garry Subject: [PATCH v3 10/14] xfs: Do not free EOF blocks for forcealign Date: Thu, 1 Aug 2024 16:30:53 +0000 Message-Id: <20240801163057.3981192-11-john.g.garry@oracle.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20240801163057.3981192-1-john.g.garry@oracle.com> References: <20240801163057.3981192-1-john.g.garry@oracle.com> X-ClientProxiedBy: MN2PR05CA0047.namprd05.prod.outlook.com (2603:10b6:208:236::16) To DM6PR10MB4313.namprd10.prod.outlook.com (2603:10b6:5:212::20) Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6PR10MB4313:EE_|PH7PR10MB6081:EE_ X-MS-Office365-Filtering-Correlation-Id: 64578665-7898-4e6f-b632-08dcb2477244 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016; 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Reviewed-by: "Darrick J. Wong" #earlier version Signed-off-by: John Garry --- fs/xfs/xfs_bmap_util.c | 7 +++++-- fs/xfs/xfs_inode.c | 14 ++++++++++++++ fs/xfs/xfs_inode.h | 2 ++ 3 files changed, 21 insertions(+), 2 deletions(-) diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index fe2e2c930975..60389ac8bd45 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -496,6 +496,7 @@ xfs_can_free_eofblocks( struct xfs_mount *mp = ip->i_mount; xfs_fileoff_t end_fsb; xfs_fileoff_t last_fsb; + xfs_fileoff_t dummy_fsb; int nimaps = 1; int error; @@ -537,8 +538,10 @@ xfs_can_free_eofblocks( * forever. */ end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)XFS_ISIZE(ip)); - if (xfs_inode_has_bigrtalloc(ip)) - end_fsb = xfs_rtb_roundup_rtx(mp, end_fsb); + + /* Only try to free beyond the allocation unit that crosses EOF */ + xfs_roundout_to_alloc_fsbsize(ip, &dummy_fsb, &end_fsb); + last_fsb = XFS_B_TO_FSB(mp, mp->m_super->s_maxbytes); if (last_fsb <= end_fsb) return false; diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 5af12f35062d..d765dedebc15 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -3129,6 +3129,20 @@ xfs_inode_alloc_unitsize( return XFS_FSB_TO_B(ip->i_mount, xfs_inode_alloc_fsbsize(ip)); } +void +xfs_roundout_to_alloc_fsbsize( + struct xfs_inode *ip, + xfs_fileoff_t *start, + xfs_fileoff_t *end) +{ + unsigned int blocks = xfs_inode_alloc_fsbsize(ip); + + if (blocks == 1) + return; + *start = rounddown_64(*start, blocks); + *end = roundup_64(*end, blocks); +} + /* Should we always be using copy on write for file writes? */ bool xfs_is_always_cow_inode( diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 158afad8c7a4..7f86c4781bd8 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -643,6 +643,8 @@ void xfs_inode_count_blocks(struct xfs_trans *tp, struct xfs_inode *ip, xfs_filblks_t *dblocks, xfs_filblks_t *rblocks); unsigned int xfs_inode_alloc_fsbsize(struct xfs_inode *ip); unsigned int xfs_inode_alloc_unitsize(struct xfs_inode *ip); +void xfs_roundout_to_alloc_fsbsize(struct xfs_inode *ip, + xfs_fileoff_t *start, xfs_fileoff_t *end); int xfs_icreate_dqalloc(const struct xfs_icreate_args *args, struct xfs_dquot **udqpp, struct xfs_dquot **gdqpp,