eio_sync
  Commit buffer cache to disk
  
 
  Description
  
   resource eio_sync
    ([ int $pri = EIO_PRI_DEFAULT
   [, callable $callback = NULL
   [, mixed $data = NULL
  ]]] )
  
  
 
  Parameters
  This function has no parameters.
  
 
  Return Values
  
   eio_sync returns request resource on success or FALSE on error.