On Wed, Mar 12 2003, Alan Cox wrote:
> On Wed, 2003-03-12 at 15:11, Jens Axboe wrote:
> > Then go with 128. I'd like to stress again that _if_ you get worse
> > performance it's not due to the request being a bit smaller, but indeed
> > because 248 can cause badly aligned requests.
> >
> > > got the IDE layer using 256 block writes even if we have to limit it
> > > to more modern drives by some handwaving (8Gb+ say)
> >
> > Does Windows use 256 sector requests or not? If not, then I'd sure don't
> > want to do it in Linux, the handwaving doesn't mean anything then.
>
> I am told it does, Andre can you confirm this either way. If not then its
> time to ask vendors to confirm and any vendor who says "our drives are fine"
> we put on the ok list.
Well I can hook an analyzer to such a bastard and verify it for sure,
that's one way :)
If Windows does, then we have nothing to worry about.
-- Jens Axboe- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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