bsg_cdev          474 block/bsg.c    static struct cdev bsg_cdev;
bsg_cdev          500 block/bsg.c    	cdev_init(&bsg_cdev, &bsg_fops);
bsg_cdev          501 block/bsg.c    	ret = cdev_add(&bsg_cdev, MKDEV(bsg_major, 0), BSG_MAX_DEVS);