diff --git a/drivers/md/md.c b/drivers/md/md.c
index f378b8a..1f661bb 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6362,7 +6362,7 @@
 
 static int md_thread(void * arg)
 {
-	mdk_thread_t *thread = arg;
+	struct md_thread *thread = arg;
 
 	/*
 	 * md_thread is a 'system-thread', it's priority should be very
@@ -6401,7 +6401,7 @@
 	return 0;
 }
 
-void md_wakeup_thread(mdk_thread_t *thread)
+void md_wakeup_thread(struct md_thread *thread)
 {
 	if (thread) {
 		pr_debug("md: waking up MD thread %s.\n", thread->tsk->comm);
@@ -6410,12 +6410,12 @@
 	}
 }
 
-mdk_thread_t *md_register_thread(void (*run) (struct mddev *), struct mddev *mddev,
+struct md_thread *md_register_thread(void (*run) (struct mddev *), struct mddev *mddev,
 				 const char *name)
 {
-	mdk_thread_t *thread;
+	struct md_thread *thread;
 
-	thread = kzalloc(sizeof(mdk_thread_t), GFP_KERNEL);
+	thread = kzalloc(sizeof(struct md_thread), GFP_KERNEL);
 	if (!thread)
 		return NULL;
 
@@ -6435,9 +6435,9 @@
 	return thread;
 }
 
-void md_unregister_thread(mdk_thread_t **threadp)
+void md_unregister_thread(struct md_thread **threadp)
 {
-	mdk_thread_t *thread = *threadp;
+	struct md_thread *thread = *threadp;
 	if (!thread)
 		return;
 	pr_debug("interrupting MD-thread pid %d\n", task_pid_nr(thread->tsk));
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);
diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h
index b6bc7b1..07e9cb9 100644
--- a/drivers/md/raid1.h
+++ b/drivers/md/raid1.h
@@ -92,7 +92,7 @@
 	/* When taking over an array from a different personality, we store
 	 * the new thread here until we fully activate the array.
 	 */
-	struct mdk_thread_s	*thread;
+	struct md_thread	*thread;
 };
 
 typedef struct r1_private_data_s conf_t;
diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h
index ad2da69..c772136 100644
--- a/drivers/md/raid10.h
+++ b/drivers/md/raid10.h
@@ -68,7 +68,7 @@
 	/* When taking over an array from a different personality, we store
 	 * the new thread here until we fully activate the array.
 	 */
-	struct mdk_thread_s	*thread;
+	struct md_thread	*thread;
 };
 
 typedef struct r10_private_data_s conf_t;
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 0d222de..cf4702c 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -436,7 +436,7 @@
 	/* When taking over an array from a different personality, we store
 	 * the new thread here until we fully activate the array.
 	 */
-	struct mdk_thread_s	*thread;
+	struct md_thread	*thread;
 };
 
 typedef struct raid5_private_data raid5_conf_t;