md: remove typedefs: mdk_thread_t -> struct md_thread

Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 84a2c03..b618da5 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -251,8 +251,8 @@
 	atomic_t			plug_cnt;	/* If device is expecting
 							 * more bios soon.
 							 */
-	struct mdk_thread_s		*thread;	/* management thread */
-	struct mdk_thread_s		*sync_thread;	/* doing resync or reconstruct */
+	struct md_thread		*thread;	/* management thread */
+	struct md_thread		*sync_thread;	/* doing resync or reconstruct */
 	sector_t			curr_resync;	/* last block scheduled */
 	/* As resync requests can complete out of order, we cannot easily track
 	 * how much resync has been completed.  So we occasionally pause until
@@ -509,14 +509,14 @@
 #define rdev_for_each_rcu(rdev, mddev)				\
 	list_for_each_entry_rcu(rdev, &((mddev)->disks), same_set)
 
-typedef struct mdk_thread_s {
+struct md_thread {
 	void			(*run) (struct mddev *mddev);
 	struct mddev		*mddev;
 	wait_queue_head_t	wqueue;
 	unsigned long           flags;
 	struct task_struct	*tsk;
 	unsigned long		timeout;
-} mdk_thread_t;
+};
 
 #define THREAD_WAKEUP  0
 
@@ -553,10 +553,12 @@
 
 extern int register_md_personality(struct mdk_personality *p);
 extern int unregister_md_personality(struct mdk_personality *p);
-extern mdk_thread_t * md_register_thread(void (*run) (struct mddev *mddev),
-				struct mddev *mddev, const char *name);
-extern void md_unregister_thread(mdk_thread_t **threadp);
-extern void md_wakeup_thread(mdk_thread_t *thread);
+extern struct md_thread *md_register_thread(
+	void (*run)(struct mddev *mddev),
+	struct mddev *mddev,
+	const char *name);
+extern void md_unregister_thread(struct md_thread **threadp);
+extern void md_wakeup_thread(struct md_thread *thread);
 extern void md_check_recovery(struct mddev *mddev);
 extern void md_write_start(struct mddev *mddev, struct bio *bi);
 extern void md_write_end(struct mddev *mddev);