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> Il giorno 21 lug 2021, alle ore 08:30, liubaozhu <liubaozhu@xxxxxxxxxxxxx> 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@xxxxxxxxxx>
Thank you,
Paolo
> Signed-off-by: liubaozhu <liubaozhu@xxxxxxxxxxxxx>
> ---
> block/bfq-iosched.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h
> index 99c2a3cb0..7cf4fc8c3 100644
> --- a/block/bfq-iosched.h
> +++ b/block/bfq-iosched.h
> @@ -632,7 +632,7 @@ struct bfq_data {
> u64 tot_sectors_dispatched;
> /* max rq size seen during current observation interval (sectors) */
> u32 last_rq_max_size;
> - /* time elapsed from first dispatch in current observ. interval (us) */
> + /* time elapsed from first dispatch in current observ. interval (ns) */
> u64 delta_from_first;
> /*
> * Current estimate of the device peak rate, measured in
> --
> 2.20.1
>
>
>
