BSG_MAX_DEVS      425 block/bsg.c    	ret = idr_alloc(&bsg_minor_idr, bcd, 0, BSG_MAX_DEVS, GFP_KERNEL);
BSG_MAX_DEVS      494 block/bsg.c    	ret = alloc_chrdev_region(&devid, 0, BSG_MAX_DEVS, "bsg");
BSG_MAX_DEVS      501 block/bsg.c    	ret = cdev_add(&bsg_cdev, MKDEV(bsg_major, 0), BSG_MAX_DEVS);
BSG_MAX_DEVS      509 block/bsg.c    	unregister_chrdev_region(MKDEV(bsg_major, 0), BSG_MAX_DEVS);