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

[Gérard Roudier]

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

>    From: Gérard Roudier <[e-mail]>
>    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.

  Gérard.