int ptlrpc_send_reply(struct ptlrpc_request *req, int);
int ptlrpc_reply(struct ptlrpc_request *req);
+int ptlrpc_send_error(struct ptlrpc_request *req, int difficult);
int ptlrpc_error(struct ptlrpc_request *req);
void ptlrpc_resend_req(struct ptlrpc_request *request);
int ptl_send_rpc(struct ptlrpc_request *request, int noreply);