On Mon, Aug 01 2005, Jeff Garzik wrote:
> Jens Axboe wrote:
> >Oh, and forget TCQ. It's a completely worthless technology inherited
> >from PATA,
>
> Agreed.
>
> There are a few controllers where we may -eventually- add TCQ support,
> controllers that do 100% of TCQ in hardware. But that's so far down the
> priority list, it's below just about everything else.
>
> There may just be little motivation to -ever- support TCQ, even when
> libata is the 'main' IDE driver, sometime in the future.
Host supported TCQ only removes the pain from the software side, it
still doesn't make it a fast techology. The only reason you would want
to support that would be "it's easy, why not...". From my POV, I would
refuse to support it just from an ideological standpoint :-)
Legacy TCQ, hell no, not in a million years.
--
Jens Axboe
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