/**
  * Get statistics
  *
  * @return void
  * @author
  **/
 function get_stats($mount_point = '/')
 {
     $obj = new View();
     if (!$this->authorized()) {
         $obj->view('json', array('msg' => array('error' => 'Not authenticated')));
         return;
     }
     $disk_report = new Disk_report_model();
     $out = array();
     $thresholds = conf('disk_thresholds', array('danger' => 5, 'warning' => 10));
     $out['thresholds'] = $thresholds;
     $out['stats'] = $disk_report->get_stats($mount_point, $thresholds['danger'], $thresholds['warning']);
     $obj->view('json', array('msg' => $out));
 }