402 static inline int is_unrecognized_ioctl(int ret)  in is_unrecognized_ioctl()  argument
404 	return	ret == -EINVAL ||  in is_unrecognized_ioctl()
405 		ret == -ENOTTY ||  in is_unrecognized_ioctl()
406 		ret == -ENOIOCTLCMD;  in is_unrecognized_ioctl()
412 	int ret;  in blkdev_flushbuf()  local
417 	ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);  in blkdev_flushbuf()
418 	if (!is_unrecognized_ioctl(ret))  in blkdev_flushbuf()
419 		return ret;  in blkdev_flushbuf()
429 	int ret, n;  in blkdev_roset()  local
431 	ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);  in blkdev_roset()
432 	if (!is_unrecognized_ioctl(ret))  in blkdev_roset()
433 		return ret;  in blkdev_roset()
447 	int ret;  in blkdev_getgeo()  local
460 	ret = disk->fops->getgeo(bdev, &geo);  in blkdev_getgeo()
461 	if (ret)  in blkdev_getgeo()
462 		return ret;  in blkdev_getgeo()
472 	int ret, n;  in blkdev_bszset()  local
487 	ret = set_blocksize(bdev, n);  in blkdev_bszset()
490 	return ret;  in blkdev_bszset()