xfs: don't warn about files that are exactly s_maxbytes long

We can handle files that are exactly s_maxbytes bytes long; we just
can't handle anything larger than that.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

fs/xfs/scrub/inode.c

@@ -365,7 +365,7 @@ xchk_dinode(
 	 * pagecache can't cache all the blocks in this file due to
 	 * overly large offsets, flag the inode for admin review.
 	 */
-	if (isize >= mp->m_super->s_maxbytes)
+	if (isize > mp->m_super->s_maxbytes)
 		xchk_ino_set_warning(sc, ino);
 
 	/* di_nblocks */