--- zzzz-none-000/linux-2.6.39.4/include/linux/mtd/blktrans.h	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/include/linux/mtd/blktrans.h	2021-11-10 13:38:17.000000000 +0000
@@ -44,6 +44,9 @@
 	struct gendisk *disk;
 	struct attribute_group *disk_attributes;
 	struct task_struct *thread;
+#ifdef CONFIG_ARCH_GEN3	
+	struct semaphore 	thread_sem;
+#endif	
 	struct request_queue *rq;
 	spinlock_t queue_lock;
 	void *priv;