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SubjectRe: [patch] zero-bounce highmem I/O
   From: Jens Axboe <>
Date: Wed, 15 Aug 2001 15:10:52 +0200

On Wed, Aug 15 2001, David S. Miller wrote:
> The only truly problematic area is the alt_address thing.
> It is would be a nice thing to rip this eyesore out of the scsi
> layer anyways.

The SCSI issue was exactly what was on my mind, and is indeed the reason
why I didn't go all the way and did a complete conversion there. The
SCSI layer is _not_ very clean in this regard, didn't exactly enjoy this
part of the work...

I just took a quick look at this, and I think I can make this
alt_address thing into a scsi-layer-specific mechanism and
thus be able to safely remove it from struct scatterlist.

Would you like me to whip up such a set of changes? I'll be
more than happy to work on it.

> Yep. Want me to add in the x86 parts of your patch?
> Please let me finish up my prototype with sparc64 building and
> working, then I'll send you what I have ok?


This is forthcoming.

David S. Miller
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