[BLOCK] Get rid of request_queue_t typedef

Some of the code has been gradually transitioned to using the proper
struct request_queue, but there's lots left. So do a full sweet of
the kernel and get rid of this typedef and replace its uses with
the proper type.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h
index 28ac632..dcb7292 100644
--- a/include/linux/raid/md_k.h
+++ b/include/linux/raid/md_k.h
@@ -227,7 +227,7 @@
 	unsigned int			safemode_delay;
 	struct timer_list		safemode_timer;
 	atomic_t			writes_pending; 
-	request_queue_t			*queue;	/* for plugging ... */
+	struct request_queue		*queue;	/* for plugging ... */
 
 	atomic_t                        write_behind; /* outstanding async IO */
 	unsigned int                    max_write_behind; /* 0 = sync */
@@ -265,7 +265,7 @@
 	int level;
 	struct list_head list;
 	struct module *owner;
-	int (*make_request)(request_queue_t *q, struct bio *bio);
+	int (*make_request)(struct request_queue *q, struct bio *bio);
 	int (*run)(mddev_t *mddev);
 	int (*stop)(mddev_t *mddev);
 	void (*status)(struct seq_file *seq, mddev_t *mddev);