Re: Linux 2.5.3-pre1-aia1
Jens Axboe (axboe@suse.de)
Mon, 21 Jan 2002 12:34:30 +0100
On Mon, Jan 21 2002, Vojtech Pavlik wrote:
> > If the device is programmed for to do 16 sectors in multimode, it and you
> > issue a read/write multiple pio and short change the device it is not
> > going to like it. However if it is programmed for multimode and you issue
> > single sector pio transfers command opcodes it is fine.
> >
> > Do we differ?
>
> I think so. Check my mail from 11:14:56 GMT today. I fully understand
> that if I supply less data to the device than it expects or get less
> from it than it has, it'll be a problem. But I think the specification
> doesn't prohibit reading amounts not divisible by multimode setting via
> the multimode command. I've read it quite carefully again.
Like I said, if this was indeed a problem it would be _trivial_ to break
2.2/2.4 IDE with enabled multi mode... Basically it would be hard to get
_anything_ done.
--
Jens Axboe
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