-@@ -508,7 +571,9 @@ struct ext3_super_block {
- __u16 s_reserved_word_pad;
+@@ -504,11 +567,19 @@ struct ext3_super_block {
+ __le32 s_last_orphan; /* start of list of inodes to delete */
+ __le32 s_hash_seed[4]; /* HTREE hash seed */
+ __u8 s_def_hash_version; /* Default hash version to use */
+- __u8 s_reserved_char_pad;
+- __u16 s_reserved_word_pad;
++ __u8 s_jnl_backup_type; /* Default type of journal backup */
++ __le16 s_desc_size; /* Group desc. size: INCOMPAT_64BIT */