[PATCH] ext[234]: update documentation

Signed-off-by: "Aneesh Kumar K.V" <aneesh.kumar@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index b1981d0..baf71dd 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -29,7 +29,7 @@
  * The file system contains group descriptors which are located after the
  * super block.  Each descriptor contains the number of the bitmap block and
  * the free blocks count in the block.  The descriptors are loaded in memory
- * when a file system is mounted (see ext2_read_super).
+ * when a file system is mounted (see ext2_fill_super).
  */