[02/10] xfs: remove the s_maxbytes checks in xfs_map_blocks
diff mbox series

Message ID 20190211125427.16577-3-hch@lst.de
State New
Headers show
Series
  • [01/10] xfs: remove the io_type field from the writeback context and ioend
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Commit Message

Christoph Hellwig Feb. 11, 2019, 12:54 p.m. UTC
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>
---
 fs/xfs/xfs_aops.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

Patch
diff mbox series

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