latency_stat_samples 557 block/blk-iolatency.c lat_info->nr_samples += latency_stat_samples(iolat, &iolat->cur_stat); latency_stat_samples 558 block/blk-iolatency.c iolat->nr_samples = latency_stat_samples(iolat, &iolat->cur_stat); latency_stat_samples 566 block/blk-iolatency.c if (latency_stat_samples(iolat, &iolat->cur_stat) <