diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-02-15 08:02:47 -0800 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-02-17 11:55:53 -0800 |
| commit | b4e29032f254fed39ef2251807322f36c3ede1aa (patch) | |
| tree | 1cc59d304f3cc78c3c7cf77410fc2874a61336a2 /fs/xfs/xfs_aops.c | |
| parent | be225fec72ed10a7e2c81a1ddd0d081a80238bff (diff) | |
| download | linux-stable-b4e29032f254fed39ef2251807322f36c3ede1aa.tar.gz linux-stable-b4e29032f254fed39ef2251807322f36c3ede1aa.tar.bz2 linux-stable-b4e29032f254fed39ef2251807322f36c3ede1aa.zip | |
xfs: remove the s_maxbytes checks in xfs_map_blocks
We already ensure all data fits into s_maxbytes in the write / fault
path. The only reason we have them here is that they were copy and
pasted from xfs_bmapi_read when we stopped using that function.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_aops.c')
| -rw-r--r-- | fs/xfs/xfs_aops.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index a3fa60d1d2df..8bfb62d8776f 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -338,7 +338,8 @@ xfs_map_blocks( struct xfs_inode *ip = XFS_I(inode); struct xfs_mount *mp = ip->i_mount; ssize_t count = i_blocksize(inode); - xfs_fileoff_t offset_fsb = XFS_B_TO_FSBT(mp, offset), end_fsb; + xfs_fileoff_t offset_fsb = XFS_B_TO_FSBT(mp, offset); + xfs_fileoff_t end_fsb = XFS_B_TO_FSB(mp, offset + count); xfs_fileoff_t cow_fsb = NULLFILEOFF; struct xfs_bmbt_irec imap; struct xfs_iext_cursor icur; @@ -374,11 +375,6 @@ xfs_map_blocks( xfs_ilock(ip, XFS_ILOCK_SHARED); ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_BTREE || (ip->i_df.if_flags & XFS_IFEXTENTS)); - ASSERT(offset <= mp->m_super->s_maxbytes); - - if (offset > mp->m_super->s_maxbytes - count) - count = mp->m_super->s_maxbytes - offset; - end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + count); /* * Check if this is offset is covered by a COW extents, and if yes use |