Re: [PATCH 0/3 v2] bfq: Limit number of allocated scheduler tags per cgroup

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Hello Paolo.

On Fri, Aug 27, 2021 at 12:07:20PM +0200, Paolo Valente <paolo.valente@xxxxxxxxxx> wrote:
> Before discussing your patches in detail, I need a little help on this
> point.  You state that the number of scheduler tags must be larger
> than the number of device tags.  So, I expected some of your patches
> to address somehow this issue, e.g., by increasing the number of
> scheduler tags.  Yet I have not found such a change.  Did I miss
> something?

I believe Jan's conclusions so far are based on "manual" modifications
of available scheduler tags by /sys/block/$dev/queue/nr_requests.
Finding a good default value may be an additional change.

(Hopefully this clarifies a bit before Jan can reply.)

Michal



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