xfs: remove s_maxbytes enforcement in xfs_file_read_iter

All the three low-level read implementations that we might call already take care of not overflowing the maximum supported bytes, no need to duplicate it here. Signed-off-by: Christoph Hellwig <[email protected]> Reviewed-by: Dave Chinner <[email protected]> Signed-off-by: Dave Chinner <[email protected]>
berg · Jul 20, 2016 · cf81071 · cf81071
1 parent 3176c3e
commit cf81071
Showing 1 changed file with 0 additions and 8 deletions.
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
@@ -292,7 +292,6 @@ xfs_file_read_iter(
 	struct xfs_mount	*mp = ip->i_mount;
 	size_t			size = iov_iter_count(to);
 	ssize_t			ret = 0;
-	xfs_fsize_t		n;
 	loff_t			pos = iocb->ki_pos;
 
 	XFS_STATS_INC(mp, xs_read_calls);
@@ -309,13 +308,6 @@ xfs_file_read_iter(
 		}
 	}
 
-	n = mp->m_super->s_maxbytes - pos;
-	if (n <= 0 || size == 0)
-		return 0;
-
-	if (n < size)
-		size = n;
-
 	if (XFS_FORCED_SHUTDOWN(mp))
 		return -EIO;