diff --git a/[refs] b/[refs]
index d05a132e9f99..b63a8b5a8504 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 15aebd2866b21a568d8defec134bf29f9aea9088
+refs/heads/master: 8dee00bb758f9e1d7fac9f5d2463d09444d4f255
diff --git a/trunk/fs/udf/super.c b/trunk/fs/udf/super.c
index 02815e92553b..5f0d400385e0 100644
--- a/trunk/fs/udf/super.c
+++ b/trunk/fs/udf/super.c
@@ -986,10 +986,9 @@ static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh,
 int udf_compute_nr_groups(struct super_block *sb, u32 partition)
 {
 	struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
-	return (map->s_partition_len +
-		(sizeof(struct spaceBitmapDesc) << 3) +
-		(sb->s_blocksize * 8) - 1) /
-		(sb->s_blocksize * 8);
+	return DIV_ROUND_UP(map->s_partition_len +
+			    (sizeof(struct spaceBitmapDesc) << 3),
+			    sb->s_blocksize * 8);
 }
 
 static struct udf_bitmap *udf_sb_alloc_bitmap(struct super_block *sb, u32 index)