drbd_al_begin_io(device, &req->i);
drbd_req_make_private_bio(req, req->master_bio);
- req->private_bio->bi_bdev = device->ldev->backing_bdev;
+ bio_set_dev(req->private_bio, device->ldev->backing_bdev);
generic_make_request(req->private_bio);
return 0;