Messages in this thread | | | Date | Mon, 21 Jan 2002 11:43:11 +0100 | From | Vojtech Pavlik <> | Subject | Re: Linux 2.5.3-pre1-aia1 |
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On Sun, Jan 20, 2002 at 04:12:36PM -0800, Andre Hedrick wrote:
> > > > We only read out 4k thus the device has the the next 4k we may be wanting > > > > ready. Look at it as a dirty prefetch, but eventally the drive is going > > > > to want to go south, thus [lost interrupt] > > > > > > Even if the drive is programmed for 16 sectors in multi mode, it still > > > must honor lower transfer sizes. The fix I did was not to limit this, > > > but rather to only setup transfers for the amount of sectors in the > > > first chunk. This is indeed necessary now that we do not have a copy of > > > the request to fool around with. > > Listen and for just a second okay. > > Since the set multimode command is similar to the set transfer rate, if > you program the drive to run at U100 but the host can feed only U33 you > have problems. Much of this simple arguement is the same answer for > multimode. > > Same thing here but a variation, of the operations,
So you're saying that if you program the drive to multimode 16, you can't read a single sector and always have to read 16? That not only doesn't make sense to me, but it also contradicts anything that I've heard before.
-- Vojtech Pavlik SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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