On 7/21/21 1:54 AM, Paolo Valente wrote:

quoted

Il giorno 21 lug 2021, alle ore 08:30, liubaozhu <liubaozhu@uniontech.com <mailto:liubaozhu@uniontech.com>> ha scritto:

In the block/bfq-iosched.c,the function bfq_update_peak_rate(),
bfqd->delta_from_first = now_ns - bfqd->first_dispatch,
according to the subtraction operation here,now_ns is ns,
and bfqd->first_dispatch is also ns,so bfqd->delta_from_first should be ns.

Correct!

Acked-by: Paolo Valente <paolo.valente@linaro.org <mailto:paolo.valente@linaro.org>>

Just pick this up for your 5.15 series and include it in that.

-- 
Jens Axboe