Messages in this thread | | | Date | Wed, 22 May 2002 08:53:56 +0200 | From | Martin Dalecki <> | Subject | Re: [PATCH] 2.5.17 IDE 65 |
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Uz.ytkownik Linus Torvalds napisa?: > 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.
Please add the following to the bag: "We never saw a filesystem with less then 512 byte sectors, so let's assume this is our request size unit." (CP/M uses 256...) Not that pretty at all.
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