drbd_recv_all
if (drbd_recv_all(peer_device->connection, di->digest, pi->size))
err = drbd_recv_all(connection, integrity_alg, pi->size);
err = drbd_recv_all(peer_device->connection, p, header_size);
err = drbd_recv_all(peer_device->connection, p->verify_alg, data_size);
err = drbd_recv_all(connection, buf, size);
err = drbd_recv_all(peer_device->connection, p, want);
err = drbd_recv_all(peer_device->connection, p, pi->size);