160 	int major;  member
170 static inline int major_to_index(unsigned major)  in major_to_index()  argument
172 	return major % BLKDEV_MAJOR_HASH_SIZE;  in major_to_index()
182 		if (dp->major == offset)  in blkdev_show()
183 			seq_printf(seqf, "%3d %s\n", dp->major, dp->name);  in blkdev_show()
214 int __register_blkdev(unsigned int major, const char *name,  in __register_blkdev()  argument
223 	if (major == 0) {  in __register_blkdev()
235 		major = index;  in __register_blkdev()
236 		ret = major;  in __register_blkdev()
239 	if (major >= BLKDEV_MAJOR_MAX) {  in __register_blkdev()
241 		       __func__, major, BLKDEV_MAJOR_MAX-1, name);  in __register_blkdev()
253 	p->major = major;  in __register_blkdev()
259 	index = major_to_index(major);  in __register_blkdev()
263 		if ((*n)->major == major)  in __register_blkdev()
274 		       major, name);  in __register_blkdev()
283 void unregister_blkdev(unsigned int major, const char *name)  in unregister_blkdev()  argument
287 	int index = major_to_index(major);  in unregister_blkdev()
292 		if ((*n)->major == major)  in unregister_blkdev()
426 	if (disk->major) {  in device_add_disk()
444 		disk->major = BLOCK_EXT_MAJOR;  in device_add_disk()
455 		ddev->devt = MKDEV(disk->major, disk->first_minor);  in device_add_disk()
494 				   disk->major, disk->first_minor);  in device_add_disk()
524 		disk->part0->bd_dev = MKDEV(disk->major, disk->first_minor);  in device_add_disk()
548 	if (disk->major == BLOCK_EXT_MAJOR)  in device_add_disk()
771 	unsigned int major = MAJOR(devt);  in blk_request_module()  local
775 	for (n = &major_names[major_to_index(major)]; *n; n = &(*n)->next) {  in blk_request_module()
776 		if ((*n)->major == major && (*n)->probe) {  in blk_request_module()