unsigned long dc_wake_sequence;
unsigned long dc_work_sequence;
+ /*
+ * Any thread can add locks to the list, but the downconvert
+ * thread is the only one allowed to remove locks. Any change
+ * to this rule requires updating
+ * ocfs2_downconvert_thread_do_work().
+ */
struct list_head blocked_lock_list;
unsigned long blocked_lock_count;