/**
  * Returns available diskspace information 
  * 
  * @return array 
  */
 public function getQuotaInfo()
 {
     $stats = M::stats();
     return array(10000000000.0 - $stats['totalSize'], 10000000000.0);
     /*
     return array(
         disk_total_space($this->path)-disk_free_space($this->path),
         disk_free_space($this->path)
         );
     */
 }