[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/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 1486eb2..ca84352 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -3071,7 +3071,7 @@
 /*
  * standard prep_rq_fn that builds 10 byte cmds
  */
-static int ide_cdrom_prep_fs(request_queue_t *q, struct request *rq)
+static int ide_cdrom_prep_fs(struct request_queue *q, struct request *rq)
 {
 	int hard_sect = queue_hardsect_size(q);
 	long block = (long)rq->hard_sector / (hard_sect >> 9);
@@ -3137,7 +3137,7 @@
 	return BLKPREP_OK;
 }
 
-static int ide_cdrom_prep_fn(request_queue_t *q, struct request *rq)
+static int ide_cdrom_prep_fn(struct request_queue *q, struct request *rq)
 {
 	if (blk_fs_request(rq))
 		return ide_cdrom_prep_fs(q, rq);
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index b1304a7..5ce4216 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -679,7 +679,7 @@
 };
 #endif	/* CONFIG_IDE_PROC_FS */
 
-static void idedisk_prepare_flush(request_queue_t *q, struct request *rq)
+static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
 {
 	ide_drive_t *drive = q->queuedata;
 
@@ -697,7 +697,7 @@
 	rq->buffer = rq->cmd;
 }
 
-static int idedisk_issue_flush(request_queue_t *q, struct gendisk *disk,
+static int idedisk_issue_flush(struct request_queue *q, struct gendisk *disk,
 			       sector_t *error_sector)
 {
 	ide_drive_t *drive = q->queuedata;
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 484c50e7..aa9f5f0 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -1327,7 +1327,7 @@
 /*
  * Passes the stuff to ide_do_request
  */
-void do_ide_request(request_queue_t *q)
+void do_ide_request(struct request_queue *q)
 {
 	ide_drive_t *drive = q->queuedata;
 
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 5a4c5ea..3a2a9a3 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -945,7 +945,7 @@
  */
 static int ide_init_queue(ide_drive_t *drive)
 {
-	request_queue_t *q;
+	struct request_queue *q;
 	ide_hwif_t *hwif = HWIF(drive);
 	int max_sectors = 256;
 	int max_sg_entries = PRD_ENTRIES;
diff --git a/drivers/ide/legacy/hd.c b/drivers/ide/legacy/hd.c
index 8f2db8d..8e05d88 100644
--- a/drivers/ide/legacy/hd.c
+++ b/drivers/ide/legacy/hd.c
@@ -652,7 +652,7 @@
 	}
 }
 
-static void do_hd_request (request_queue_t * q)
+static void do_hd_request (struct request_queue * q)
 {
 	disable_irq(HD_IRQ);
 	hd_request();