Re: [PATCH] speed up SATA

Jeff Garzik
2004-03-27T23:44:26Z

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.

Jeff