flush_changed_page_bitmaps()
{
	if (xtrabackup_incremental && have_changed_page_bitmaps &&
	    !xtrabackup_incremental_force_scan) {
		xb_mysql_query(mysql_connection,
			"FLUSH NO_WRITE_TO_BINLOG CHANGED_PAGE_BITMAPS", false);
	}
	return(true);
}