diff --git a/[refs] b/[refs]
index 55f595e82ff5..740871a95989 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 16eb72956496594d023a7d7cd14a86404ad195ad
+refs/heads/master: 91246c009094142f95ecc7573b7caed2bcef52c7
diff --git a/trunk/fs/ext4/super.c b/trunk/fs/ext4/super.c
index d5d77958b861..566344b926b7 100644
--- a/trunk/fs/ext4/super.c
+++ b/trunk/fs/ext4/super.c
@@ -568,6 +568,7 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
 #endif
 	ei->i_block_alloc_info = NULL;
 	ei->vfs_inode.i_version = 1;
+	ei->vfs_inode.i_data.writeback_index = 0;
 	memset(&ei->i_cached_extent, 0, sizeof(struct ext4_ext_cache));
 	INIT_LIST_HEAD(&ei->i_prealloc_list);
 	spin_lock_init(&ei->i_prealloc_lock);