171 	uint64_t now, duration, last;  in bch_time_stats_update()  local
175 	now		= local_clock();  in bch_time_stats_update()
176 	duration	= time_after64(now, start_time)  in bch_time_stats_update()
177 		? now - start_time : 0;  in bch_time_stats_update()
178 	last		= time_after64(now, stats->last)  in bch_time_stats_update()
179 		? now - stats->last : 0;  in bch_time_stats_update()
194 	stats->last = now ?: 1;  in bch_time_stats_update()
210 	uint64_t now = local_clock();  in bch_next_delay()  local
214 	if (time_before64(now + NSEC_PER_SEC, d->next))  in bch_next_delay()
215 		d->next = now + NSEC_PER_SEC;  in bch_next_delay()
217 	if (time_after64(now - NSEC_PER_SEC * 2, d->next))  in bch_next_delay()
218 		d->next = now - NSEC_PER_SEC * 2;  in bch_next_delay()
220 	return time_after64(d->next, now)  in bch_next_delay()
221 		? div_u64(d->next - now, NSEC_PER_SEC / HZ)  in bch_next_delay()