[PATCH] ext[234]: fix comment for nonexistent variable

[Akinobu Mita <akinobu.mita@gmail.com>]

The comment in ext[234]_new_blocks() describes about "i".
But there is no local variable called "i" in that scope.
I guess it has been renamed to group_no.

Cc: Stephen Tweedie <sct@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: adilger@clusterfs.com
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>

---
 fs/ext2/balloc.c |    4 ++--
 fs/ext3/balloc.c |    2 +-
 fs/ext4/balloc.c |    2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

Index: 2.6-git/fs/ext2/balloc.c
===================================================================
--- 2.6-git.orig/fs/ext2/balloc.c
+++ 2.6-git/fs/ext2/balloc.c
@@ -1250,8 +1250,8 @@ retry_alloc:
 	smp_rmb();
 
 	/*
-	 * Now search the rest of the groups.  We assume that 
-	 * i and gdp correctly point to the last group visited.
+	 * Now search the rest of the groups.  We assume that
+	 * group_no and gdp correctly point to the last group visited.
 	 */
 	for (bgi = 0; bgi < ngroups; bgi++) {
 		group_no++;
Index: 2.6-git/fs/ext3/balloc.c
===================================================================
--- 2.6-git.orig/fs/ext3/balloc.c
+++ 2.6-git/fs/ext3/balloc.c
@@ -1508,7 +1508,7 @@ retry_alloc:
 
 	/*
 	 * Now search the rest of the groups.  We assume that
-	 * i and gdp correctly point to the last group visited.
+	 * group_no and gdp correctly point to the last group visited.
 	 */
 	for (bgi = 0; bgi < ngroups; bgi++) {
 		group_no++;
Index: 2.6-git/fs/ext4/balloc.c
===================================================================
--- 2.6-git.orig/fs/ext4/balloc.c
+++ 2.6-git/fs/ext4/balloc.c
@@ -1625,7 +1625,7 @@ retry_alloc:
 
 	/*
 	 * Now search the rest of the groups.  We assume that
-	 * i and gdp correctly point to the last group visited.
+	 * group_no and gdp correctly point to the last group visited.
 	 */
 	for (bgi = 0; bgi < ngroups; bgi++) {
 		group_no++;