[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/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index b53dac8..e02eac8 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -83,7 +83,7 @@
  * on any queue on this host, and attempt to issue it.  This may
  * not be the queue we were asked to process.
  */
-static void mmc_request(request_queue_t *q)
+static void mmc_request(struct request_queue *q)
 {
 	struct mmc_queue *mq = q->queuedata;
 	struct request *req;
@@ -211,7 +211,7 @@
 
 void mmc_cleanup_queue(struct mmc_queue *mq)
 {
-	request_queue_t *q = mq->queue;
+	struct request_queue *q = mq->queue;
 	unsigned long flags;
 
 	/* Mark that we should start throwing out stragglers */
@@ -252,7 +252,7 @@
  */
 void mmc_queue_suspend(struct mmc_queue *mq)
 {
-	request_queue_t *q = mq->queue;
+	struct request_queue *q = mq->queue;
 	unsigned long flags;
 
 	if (!(mq->flags & MMC_QUEUE_SUSPENDED)) {
@@ -272,7 +272,7 @@
  */
 void mmc_queue_resume(struct mmc_queue *mq)
 {
-	request_queue_t *q = mq->queue;
+	struct request_queue *q = mq->queue;
 	unsigned long flags;
 
 	if (mq->flags & MMC_QUEUE_SUSPENDED) {