180 	int major;  member
190 static inline int major_to_index(unsigned major)  in major_to_index()  argument
192 	return major % BLKDEV_MAJOR_HASH_SIZE;  in major_to_index()
202 		if (dp->major == offset)  in blkdev_show()
203 			seq_printf(seqf, "%3d %s\n", dp->major, dp->name);  in blkdev_show()
234 int __register_blkdev(unsigned int major, const char *name,  in __register_blkdev()  argument
243 	if (major == 0) {  in __register_blkdev()
255 		major = index;  in __register_blkdev()
256 		ret = major;  in __register_blkdev()
259 	if (major >= BLKDEV_MAJOR_MAX) {  in __register_blkdev()
261 		       __func__, major, BLKDEV_MAJOR_MAX-1, name);  in __register_blkdev()
273 	p->major = major;  in __register_blkdev()
279 	index = major_to_index(major);  in __register_blkdev()
283 		if ((*n)->major == major)  in __register_blkdev()
294 		       major, name);  in __register_blkdev()
303 void unregister_blkdev(unsigned int major, const char *name)  in unregister_blkdev()  argument
307 	int index = major_to_index(major);  in unregister_blkdev()
312 		if ((*n)->major == major)  in unregister_blkdev()
462 	if (disk->major) {  in __add_disk()
482 		disk->major = BLOCK_EXT_MAJOR;  in __add_disk()
495 		ddev->devt = MKDEV(disk->major, disk->first_minor);  in __add_disk()
534 				   disk->major, disk->first_minor);  in __add_disk()
548 		disk->part0->bd_dev = MKDEV(disk->major, disk->first_minor);  in __add_disk()
569 	if (disk->major == BLOCK_EXT_MAJOR)  in __add_disk()
878 	unsigned int major = MAJOR(devt);  in blk_probe_dev()  local
882 	for (n = &major_names[major_to_index(major)]; *n; n = &(*n)->next) {  in blk_probe_dev()
883 		if ((*n)->major == major && (*n)->probe) {  in blk_probe_dev()