Re: [PATCH] speed up SATA

[Nick Piggin]

Jeff Garzik wrote:
> Nick Piggin wrote:
>
> > I think 32MB is too much. You incur latency and lose
> > scheduling grainularity. I bet returns start diminishing
> > pretty quickly after 1MB or so.
>
>
> See my reply to Bart.
>
> Also, it is not the driver's responsibility to do anything but export 
> the hardware maximums.
>
> It's up to the sysadmin to choose a disk scheduling policy they like, 
> which implies that a _scheduler_, not each individual driver, should 
> place policy limitations on max_sectors.

Yeah I suppose you're right there. In practice it doesn't
work that way though, does it?
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