if err != nil {
		errStr = err.Error()
	}
	return madmin.TraceInfo{
		TraceType: madmin.TraceFTP,
		Time:      startTime,
		NodeName:  globalLocalNodeName,
		FuncName:  fmt.Sprintf("sftp USER=%s COMMAND=%s PARAM=%s, Source=%s", user, s.Method, s.Filepath, source),
		Duration:  time.Since(startTime),
		Path:      s.Filepath,
		Error:     errStr,
	}
}

func (m *sftpMetrics) log(s *sftp.Request, user string) func(err error) {