func: iscsi_unmap_cb(struct iscsi_context *iscsi, int status,
  
                       void *command_data, void *opaque)
  
  {
  
      IscsiAIOCB *acb = opaque;
  
  
  
      if (acb->canceled != 0) {
  
          return;
  
      }
  
  
  
      acb->status = 0;
  
      if (status < 0) {
  
          error_report("Failed to unmap data on iSCSI lun. %s",
  
                       iscsi_get_error(iscsi));
  
          acb->status = -EIO;
  
      }
  
  
  
      iscsi_schedule_bh(acb);
  
  }
  