From ce1a19b6d1d7c05c288903d965052f853f3c9569 Mon Sep 17 00:00:00 2001
From: Yongqiang Yang <xiaoqiangnk@gmail.com>
Date: Wed, 5 Sep 2012 01:27:50 -0400
Subject: [PATCH] --- yaml --- r: 331576 b: refs/heads/master c:
 2ebd1704ded88a8ae29b5f3998b13959c715c4be h: refs/heads/master v: v3

---
 [refs]                 |  2 +-
 trunk/fs/ext4/resize.c | 10 ++++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/[refs] b/[refs]
index 5e9445a9dbea..df9db7ef5913 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6df935ad2fced9033ab52078825fcaf6365f34b7
+refs/heads/master: 2ebd1704ded88a8ae29b5f3998b13959c715c4be
diff --git a/trunk/fs/ext4/resize.c b/trunk/fs/ext4/resize.c
index a0ee26c23dd8..365d800ff8c1 100644
--- a/trunk/fs/ext4/resize.c
+++ b/trunk/fs/ext4/resize.c
@@ -1358,13 +1358,15 @@ static int ext4_flex_group_add(struct super_block *sb,
 		err = err2;
 
 	if (!err) {
-		int i;
+		int gdb_num = group / EXT4_DESC_PER_BLOCK(sb);
+		int gdb_num_end = ((group + flex_gd->count - 1) /
+				   EXT4_DESC_PER_BLOCK(sb));
+
 		update_backups(sb, sbi->s_sbh->b_blocknr, (char *)es,
 			       sizeof(struct ext4_super_block));
-		for (i = 0; i < flex_gd->count; i++, group++) {
+		for (; gdb_num <= gdb_num_end; gdb_num++) {
 			struct buffer_head *gdb_bh;
-			int gdb_num;
-			gdb_num = group / EXT4_BLOCKS_PER_GROUP(sb);
+
 			gdb_bh = sbi->s_group_desc[gdb_num];
 			update_backups(sb, gdb_bh->b_blocknr, gdb_bh->b_data,
 				       gdb_bh->b_size);