diff --git a/block/bsg.c b/block/bsg.c
index c85d961ee41ebf58335768542051313b49a73868..0427ece9b6d89c1915453025771cec8a4ac89eff 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -900,7 +900,7 @@ bsg_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 	case SG_EMULATED_HOST:
 	case SCSI_IOCTL_SEND_COMMAND: {
 		void __user *uarg = (void __user *) arg;
-		return scsi_cmd_ioctl(file, bd->disk, cmd, uarg);
+		return scsi_cmd_ioctl(file, bd->queue, bd->disk, cmd, uarg);
 	}
 	case SG_IO: {
 		struct request *rq;
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index db53b2c268d301f47081626c6393201d117876e5..a26ba07955fee2f3dff02adf911928e828c940f1 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -548,16 +548,12 @@ static inline int blk_send_start_stop(request_queue_t *q, struct gendisk *bd_dis
 	return __blk_send_generic(q, bd_disk, GPCMD_START_STOP_UNIT, data);
 }
 
-int scsi_cmd_ioctl(struct file *file, struct gendisk *bd_disk, unsigned int cmd, void __user *arg)
+int scsi_cmd_ioctl(struct file *file, struct request_queue *q,
+		   struct gendisk *bd_disk, unsigned int cmd, void __user *arg)
 {
-	request_queue_t *q;
 	int err;
 
-	q = bd_disk->queue;
-	if (!q)
-		return -ENXIO;
-
-	if (blk_get_queue(q))
+	if (!q || blk_get_queue(q))
 		return -ENXIO;
 
 	switch (cmd) {
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index 18c8b6c0db20239ae3095c2547a13cbab66dff5c..8b13d7d2cb636990576342832f5e954f379766e1 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -1709,7 +1709,7 @@ static int ub_bd_ioctl(struct inode *inode, struct file *filp,
 	struct gendisk *disk = inode->i_bdev->bd_disk;
 	void __user *usermem = (void __user *) arg;
 
-	return scsi_cmd_ioctl(filp, disk, cmd, usermem);
+	return scsi_cmd_ioctl(filp, disk->queue, disk, cmd, usermem);
 }
 
 /*
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index aa5468f487ba3d9e55172a52587a5257d85d2e48..499019bf8f40f6bd8a97218bb7116352f686b481 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -2695,11 +2695,12 @@ int cdrom_ioctl(struct file * file, struct cdrom_device_info *cdi,
 {
 	void __user *argp = (void __user *)arg;
 	int ret;
+	struct gendisk *disk = ip->i_bdev->bd_disk;
 
 	/*
 	 * Try the generic SCSI command ioctl's first.
 	 */
-	ret = scsi_cmd_ioctl(file, ip->i_bdev->bd_disk, cmd, argp);
+	ret = scsi_cmd_ioctl(file, disk->queue, disk, cmd, argp);
 	if (ret != -ENOTTY)
 		return ret;
 
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 9ae60a7400a2b1f4419568eb60fa382c1b9860de..8cd7694593c9a47d34dd67ad09f74b0c7f8f4c0f 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1052,7 +1052,7 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device
 	int err, (*setfunc)(ide_drive_t *, int);
 	u8 *val;
 
-	err = scsi_cmd_ioctl(file, bdev->bd_disk, cmd, p);
+	err = scsi_cmd_ioctl(file, bdev->bd_disk->queue, bdev->bd_disk, cmd, p);
 	if (err != -ENOTTY)
 		return err;
 
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 448d316f12d780a8d78ffb126ec071926b898c97..424d557284a9afe31f2062da53db418f4a95b7aa 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -684,7 +684,7 @@ static int sd_ioctl(struct inode * inode, struct file * filp,
 		case SCSI_IOCTL_GET_BUS_NUMBER:
 			return scsi_ioctl(sdp, cmd, p);
 		default:
-			error = scsi_cmd_ioctl(filp, disk, cmd, p);
+			error = scsi_cmd_ioctl(filp, disk->queue, disk, cmd, p);
 			if (error != -ENOTTY)
 				return error;
 	}
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 55bfeccf68a27ff3ff4f92dffdd89282d0c4bc6a..a4f7b8465773c00a5f56f085c119585199f3f811 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -3549,7 +3549,8 @@ static int st_ioctl(struct inode *inode, struct file *file,
 			    !capable(CAP_SYS_RAWIO))
 				i = -EPERM;
 			else
-				i = scsi_cmd_ioctl(file, STp->disk, cmd_in, p);
+				i = scsi_cmd_ioctl(file, STp->disk->queue,
+						   STp->disk, cmd_in, p);
 			if (i != -ENOTTY)
 				return i;
 			break;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index f6bc0d03ffade62a230b7f3b9b3268e783df61eb..2746632c22678a4d590f7034c8f03053720d8b6c 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -644,7 +644,8 @@ extern void blk_requeue_request(request_queue_t *, struct request *);
 extern void blk_plug_device(request_queue_t *);
 extern int blk_remove_plug(request_queue_t *);
 extern void blk_recount_segments(request_queue_t *, struct bio *);
-extern int scsi_cmd_ioctl(struct file *, struct gendisk *, unsigned int, void __user *);
+extern int scsi_cmd_ioctl(struct file *, struct request_queue *,
+			  struct gendisk *, unsigned int, void __user *);
 extern int sg_scsi_ioctl(struct file *, struct request_queue *,
 		struct gendisk *, struct scsi_ioctl_command __user *);