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

From: Corrado Zoccolo
Date: Mon Oct 05 2009 - 17:10:42 EST


On Mon, Oct 5, 2009 at 5:06 PM, Jeff Moyer <jmoyer@xxxxxxxxxx> wrote:
> Corrado Zoccolo <czoccolo@xxxxxxxxx> 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. ÂMake 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
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/