397 	int major;  member
402 static inline int major_to_index(unsigned major)  in major_to_index()  argument
404 	return major % BLKDEV_MAJOR_HASH_SIZE;  in major_to_index()
414 		if (dp->major == offset)  in blkdev_show()
415 			seq_printf(seqf, "%3d %s\n", dp->major, dp->name);  in blkdev_show()
440 int register_blkdev(unsigned int major, const char *name)  in register_blkdev()  argument
448 	if (major == 0) {  in register_blkdev()
460 		major = index;  in register_blkdev()
461 		ret = major;  in register_blkdev()
464 	if (major >= BLKDEV_MAJOR_MAX) {  in register_blkdev()
466 		       __func__, major, BLKDEV_MAJOR_MAX-1, name);  in register_blkdev()
478 	p->major = major;  in register_blkdev()
481 	index = major_to_index(major);  in register_blkdev()
484 		if ((*n)->major == major)  in register_blkdev()
494 		       major, name);  in register_blkdev()
504 void unregister_blkdev(unsigned int major, const char *name)  in unregister_blkdev()  argument
508 	int index = major_to_index(major);  in unregister_blkdev()
512 		if ((*n)->major == major)  in unregister_blkdev()
581 		*devt = MKDEV(disk->major, disk->first_minor + part->partno);  in blk_alloc_devt()
790 	WARN_ON(disk->minors && !(disk->major || disk->first_minor));  in __device_add_disk()
801 	disk->major = MAJOR(devt);  in __device_add_disk()