183 	void (*probe)(dev_t devt);
235 		void (*probe)(dev_t devt))  in __register_blkdev()  argument
414 		bdev_add(disk->part0, ddev->devt);  in add_disk_final()
495 		ddev->devt = MKDEV(disk->major, disk->first_minor);  in __add_disk()
876 static bool blk_probe_dev(dev_t devt)  in blk_probe_dev()  argument
878 	unsigned int major = MAJOR(devt);  in blk_probe_dev()
884 			(*n)->probe(devt);  in blk_probe_dev()
893 void blk_request_module(dev_t devt)  in blk_request_module()  argument
897 	if (blk_probe_dev(devt))  in blk_request_module()
900 	error = request_module("block-major-%d-%d", MAJOR(devt), MINOR(devt));  in blk_request_module()
903 		error = request_module("block-major-%d", MAJOR(devt));  in blk_request_module()
905 		blk_probe_dev(devt);  in blk_request_module()
1435 	dev_t devt = 0;  in part_devt()  local
1440 		devt = part->bd_dev;  in part_devt()
1443 	return devt;  in part_devt()