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
