429 	struct block_device_operations *bdops;  member
439 		if (blkdevs[i].bdops) {  in get_blkdev_list()
457 		if (!blkdevs[major].bdops) {  in get_blkfops()
463 		ret = blkdevs[major].bdops;  in get_blkfops()
468 int register_blkdev(unsigned int major, const char * name, struct block_device_operations *bdops)  in register_blkdev()  argument
472 			if (blkdevs[major].bdops == NULL) {  in register_blkdev()
474 				blkdevs[major].bdops = bdops;  in register_blkdev()
482 	if (blkdevs[major].bdops && blkdevs[major].bdops != bdops)  in register_blkdev()
485 	blkdevs[major].bdops = bdops;  in register_blkdev()
493 	if (!blkdevs[major].bdops)  in unregister_blkdev()
498 	blkdevs[major].bdops = NULL;  in unregister_blkdev()
514 	const struct block_device_operations * bdops = NULL;  in check_disk_change()  local
518 		bdops = blkdevs[i].bdops;  in check_disk_change()
519 	if (bdops == NULL) {  in check_disk_change()
525 			bdops = devfs_get_ops (de);  in check_disk_change()
529 	if (bdops == NULL)  in check_disk_change()
531 	if (bdops->check_media_change == NULL)  in check_disk_change()
533 	if (!bdops->check_media_change(dev))  in check_disk_change()
539 	if (bdops->revalidate)  in check_disk_change()
540 		bdops->revalidate(dev);  in check_disk_change()