latency_sum_ok 548 block/blk-iolatency.c if (latency_sum_ok(iolat, &stat) && latency_sum_ok 564 block/blk-iolatency.c if (latency_sum_ok(iolat, &iolat->cur_stat) && latency_sum_ok 565 block/blk-iolatency.c latency_sum_ok(iolat, &stat)) {