Re: [PATCH] 2.5.17 IDE 65

From: Linus Torvalds (torvalds@transmeta.com)
Date: Tue May 21 2002 - 18:28:21 EST


On Tue, 21 May 2002, Vojtech Pavlik wrote:
> >
> > They aren't there to be respected by the ll_rw_blk layer - if some layer
> > above it has created a request larger than the hard sector size, THAT is
> > the problem, and there is nothing ll_rw_blk can do (except maybe BUG() on
> > it, but I don't think we've ever really seen those kinds of bugs).
>
> Hum, I'm confused here - shouldn't that be "if some layer above it has
> created a request SMALLER than the hard sector size"? Or better a
> request that is not a multiple of hard sector size?

Yes, yes, you're obviously right, and I just had a brainfart when writing
it. It should be basically: "higher levels must make sure on their own
that all requests are nice integer multiples of the hw sector-size", and
ll_rw_blk should never have to care.

                Linus "neurons dying left and right" Torvalds

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