[SCSI] sem2mutex 3w-[x9]xxx

Convert a the 3w-9xxx.c and 3w-xxxx.c drivers to use mutexes instead
of semaphores. Untested, but compiles and looks obviously correct.

Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/3w-9xxx.h b/drivers/scsi/3w-9xxx.h
index 46f22cd..1b16d57 100644
--- a/drivers/scsi/3w-9xxx.h
+++ b/drivers/scsi/3w-9xxx.h
@@ -672,7 +672,7 @@
 	u32                     ioctl_msec;
 	int			chrdev_request_id;
 	wait_queue_head_t	ioctl_wqueue;
-	struct semaphore	ioctl_sem;
+	struct mutex		ioctl_lock;
 	char			aen_clobber;
 	unsigned short		working_srl;
 	unsigned short		working_branch;