Messages in this thread | | | Date | Mon, 21 Jan 2002 12:34:30 +0100 | From | Jens Axboe <> | Subject | Re: Linux 2.5.3-pre1-aia1 |
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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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