Re: Linux 2.5.3-pre1-aia1

From: Jens Axboe (axboe@suse.de)
Date: Mon Jan 21 2002 - 06:29:54 EST

On Mon, Jan 21 2002, Vojtech Pavlik wrote:
> I always thought it is like this (and this is what I still believe after
> having read the sprcification):
>
> ---
> SET_MUTIPLE 16 sectors
> ---
> READ_MULTIPLE 24 sectors
> IRQ
> PIO transfer 16 sectors
> IRQ
> PIO transfer 8 sectors
> ---
>
> Where am I wrong?

I agree completely, see previous mail.

> By the way, the device *isn't* required to support any lower multiple
> count than the maximum one it advertizes. Ugly.

Oh? That basically narrows down the multi count value from hdparm to a
boolean on-or-off. I'd be surprised to see any drives break with lower
multi count in real life, though.. 

-- 
Jens Axboe

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This archive was generated by hypermail 2b29 : Wed Jan 23 2002 - 21:00:44 EST