[Devel] Re: Do we support ioprio on SSDs with NCQ (Was: Re: IO scheduler based IO controller V10)

[Corrado Zoccolo]

On Mon, Oct 5, 2009 at 5:06 PM, Jeff Moyer <jmoyer at redhat.com> wrote:
> Corrado Zoccolo <czoccolo at gmail.com> writes:
>
>> Moreover, I suggest removing also the slice_resid part, since its
>> semantics doesn't seem consistent.
>> When computed, it is not the residency, but the remaining time slice.
>
> It stands for residual, not residency.  Make more sense?
It makes sense when computed, but not when used in rb_key computation.
Why should we postpone queues that where preempted, instead of giving
them a boost?

Thanks,
Corrado

>
> Cheers,
> Jeff
>
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