From: Josef Bacik <[email protected]> Early versions of these patches had us waiting for seconds at a time during submission, so we had to adjust the timing window we monitored for latency. Now we don't do things like that so this is unnecessary code.
Signed-off-by: Josef Bacik <[email protected]> --- block/blk-iolatency.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c index b59e5451680b..893f888eebb1 100644 --- a/block/blk-iolatency.c +++ b/block/blk-iolatency.c @@ -468,16 +468,6 @@ static void iolatency_check_latencies(struct iolatency_grp *iolat, u64 now) } preempt_enable(); - /* - * Our average exceeded our window, scale up our window so we are more - * accurate, but not more than the global timer. - */ - if (stat.mean > iolat->cur_win_nsec) { - iolat->cur_win_nsec <<= 1; - iolat->cur_win_nsec = - max_t(u64, iolat->cur_win_nsec, NSEC_PER_SEC); - } - parent = blkg_to_lat(blkg->parent); if (!parent) return; -- 2.14.3
