fcloop_call_host_done
fcloop_call_host_done(fcpreq, tfcp_req, -ECANCELED);
fcloop_call_host_done(fcpreq, tfcp_req, ret);
fcloop_call_host_done(fcpreq, tfcp_req, -ECANCELED);
fcloop_call_host_done(fcpreq, tfcp_req, tfcp_req->status);