bsg: add a request_queue argument to scsi_cmd_ioctl()

bsg uses scsi_cmd_ioctl() for some SCSI/sg ioctl
commands. scsi_cmd_ioctl() gets a request queue from a gendisk
arguement. This prevents bsg being bound to SCSI devices that don't
have a gendisk (like OSD). This adds a request_queue argument to
scsi_cmd_ioctl(). The SCSI/sg ioctl commands doesn't use a gendisk so
it's safe for any SCSI devices to use scsi_cmd_ioctl().

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 9ae60a7..8cd7694 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1052,7 +1052,7 @@
 	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;