From 95fee9154a9295db9f250367cbc3b80b1ed9653a Mon Sep 17 00:00:00 2001
From: Yongqiang Yang <xiaoqiangnk@gmail.com>
Date: Wed, 5 Sep 2012 01:25:50 -0400
Subject: [PATCH] --- yaml --- r: 331575 b: refs/heads/master c:
 6df935ad2fced9033ab52078825fcaf6365f34b7 h: refs/heads/master i:   331573:
 9308685d6470c354980dff57030e50302ad49c04   331571:
 e063a8ede705c181a3819527d027486da289c0f5   331567:
 18441f9d2fa9f9eca0c399d64382197729240b12 v: v3

---
 [refs]                 | 2 +-
 trunk/fs/ext4/resize.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index d660efb19efc..5e9445a9dbea 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d7574ad08bac1ef89cb679d2c76c91ff9281c2e2
+refs/heads/master: 6df935ad2fced9033ab52078825fcaf6365f34b7
diff --git a/trunk/fs/ext4/resize.c b/trunk/fs/ext4/resize.c
index 591f4bda1146..a0ee26c23dd8 100644
--- a/trunk/fs/ext4/resize.c
+++ b/trunk/fs/ext4/resize.c
@@ -456,6 +456,9 @@ static int setup_new_flex_group_blocks(struct super_block *sb,
 		gdblocks = ext4_bg_num_gdb(sb, group);
 		start = ext4_group_first_block_no(sb, group);
 
+		if (!ext4_bg_has_super(sb, group))
+			goto handle_itb;
+
 		/* Copy all of the GDT blocks into the backup in this group */
 		for (j = 0, block = start + 1; j < gdblocks; j++, block++) {
 			struct buffer_head *gdb;
@@ -498,6 +501,7 @@ static int setup_new_flex_group_blocks(struct super_block *sb,
 				goto out;
 		}
 
+handle_itb:
 		/* Initialize group tables of the grop @group */
 		if (!(bg_flags[i] & EXT4_BG_INODE_ZEROED))
 			goto handle_bb;