--- linux-2.6.32-el6-beta.orig/fs/ext4/ext4.h
+++ linux-2.6.32-el6-beta/fs/ext4/ext4.h
@@ -1029,6 +1029,8 @@ struct ext4_sb_info {
-
- /* Kernel thread for multiple mount protection */
- struct task_struct *s_mmp_tsk;
+
+ unsigned int s_log_groups_per_flex;
+ struct flex_groups *s_flex_groups;
+
+ unsigned long s_max_dir_size;
- };
-
- static inline struct ext4_sb_info *EXT4_SB(struct super_block *sb)
+
+ /* workqueue for dio unwritten */
+ struct workqueue_struct *dio_unwritten_wq;
@@ -1353,6 +1355,12 @@ struct mmp_struct {
#define EXT4_MMP_MIN_CHECK_INTERVAL 5