func getConn(ctlfid, rootfid client.Fid, network string) (client.Fid, error) { if _, _, err := ctlfid.Open(qp.ORDWR); err != nil { return nil, fmt.Errorf("unable to open ctl file: %v", err) } b, err := ctlfid.ReadOnce(0, 1024) if err != nil { return nil, fmt.Errorf("unable to read conn path: %v", err) } rf, _, err := rootfid.Walk([]string{network, string(b)}) if err != nil { return nil, fmt.Errorf("unable to go to conn %s: %v", network+"/"+string(b), err) } return rf, nil }