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SubjectRe: [patch] block-highmem-all-18

On Fri, 16 Nov 2001, David S. Miller wrote:

> From: Gérard Roudier <>
> Date: Fri, 16 Nov 2001 19:59:02 +0100 (CET)
> On Fri, 16 Nov 2001, Jens Axboe wrote:
> > - Add sym2 can_dma_32 flag (me)
> ^^^^^^^^^^ Pooaaahhh!:) What's this utter oddity ?
> Only dma 32 ? :-)
> It is workaround for buggy drivers, when set it means that single SG
> list entry request will be handled correctly. When clear it means
> that single entry SG lists are to be avoided by the block layer.
> Many devices would explode when given single entry scatterlist. :(
> It's naming is questionable... that I agree with. The name should be
> more suggestive to what it really means.

For now, it humanly means that the device is able to dma decimal value 32
which does not look this great a feature, nor that serious a bug. :-) :o)

Thanks, anyway, for the clarification.


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