convert_to_periods_rndup(&spontaneous_flush_periods);
convert_to_periods_rndup(&max_separated_periods);
convert_to_periods_rndup(&need_activity_periods);
+ convert_to_periods_rndup(&stats_log_periods);
convert_to_periods_rndup(&lowvol_periods);
if (max_bad_data_ratio < 0 || max_bad_data_ratio > 100)