[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/block/sx8.c b/drivers/block/sx8.c
index 949ae93..402209f 100644
--- a/drivers/block/sx8.c
+++ b/drivers/block/sx8.c
@@ -278,7 +278,7 @@
 	unsigned int			state;
 	u32				fw_ver;
 
-	request_queue_t			*oob_q;
+	struct request_queue		*oob_q;
 	unsigned int			n_oob;
 
 	unsigned int			hw_sg_used;
@@ -287,7 +287,7 @@
 
 	unsigned int			wait_q_prod;
 	unsigned int			wait_q_cons;
-	request_queue_t			*wait_q[CARM_MAX_WAIT_Q];
+	struct request_queue		*wait_q[CARM_MAX_WAIT_Q];
 
 	unsigned int			n_msgs;
 	u64				msg_alloc;
@@ -756,7 +756,7 @@
 	assert(rc == 0);
 }
 
-static inline void carm_push_q (struct carm_host *host, request_queue_t *q)
+static inline void carm_push_q (struct carm_host *host, struct request_queue *q)
 {
 	unsigned int idx = host->wait_q_prod % CARM_MAX_WAIT_Q;
 
@@ -768,7 +768,7 @@
 	BUG_ON(host->wait_q_prod == host->wait_q_cons); /* overrun */
 }
 
-static inline request_queue_t *carm_pop_q(struct carm_host *host)
+static inline struct request_queue *carm_pop_q(struct carm_host *host)
 {
 	unsigned int idx;
 
@@ -783,7 +783,7 @@
 
 static inline void carm_round_robin(struct carm_host *host)
 {
-	request_queue_t *q = carm_pop_q(host);
+	struct request_queue *q = carm_pop_q(host);
 	if (q) {
 		blk_start_queue(q);
 		VPRINTK("STARTED QUEUE %p\n", q);
@@ -802,7 +802,7 @@
 	}
 }
 
-static void carm_oob_rq_fn(request_queue_t *q)
+static void carm_oob_rq_fn(struct request_queue *q)
 {
 	struct carm_host *host = q->queuedata;
 	struct carm_request *crq;
@@ -833,7 +833,7 @@
 	}
 }
 
-static void carm_rq_fn(request_queue_t *q)
+static void carm_rq_fn(struct request_queue *q)
 {
 	struct carm_port *port = q->queuedata;
 	struct carm_host *host = port->host;
@@ -1494,7 +1494,7 @@
 
 	for (i = 0; i < CARM_MAX_PORTS; i++) {
 		struct gendisk *disk;
-		request_queue_t *q;
+		struct request_queue *q;
 		struct carm_port *port;
 
 		port = &host->port[i];
@@ -1538,7 +1538,7 @@
 	for (i = 0; i < CARM_MAX_PORTS; i++) {
 		struct gendisk *disk = host->port[i].disk;
 		if (disk) {
-			request_queue_t *q = disk->queue;
+			struct request_queue *q = disk->queue;
 
 			if (disk->flags & GENHD_FL_UP)
 				del_gendisk(disk);
@@ -1571,7 +1571,7 @@
 	struct carm_host *host;
 	unsigned int pci_dac;
 	int rc;
-	request_queue_t *q;
+	struct request_queue *q;
 	unsigned int i;
 
 	if (!printed_version++)