Re: [RFC] [PATCH 2/7] crypto: authenc - convert to ahash

[Herbert Xu]

On Mon, Jul 20, 2009 at 10:36:40AM +0200, Steffen Klassert wrote:
> 
> For the crypto-layer it's just scatterwalk_sg_chain() that removes the
> termination bit. 

The history behind this is that the crypto layer has used chaining
way before generic chaining was invented.  When the generic code
was added I tried to convert crypto over to that, however, that
failed because generic chaining was not ported to every architecture.

So that's why the crypto layer still retains its own chaining.

> For the block-layer it's blk_rq_map_integrity_sg() and two times in
> blk_rq_map_sg().

I suppose we should ask Jens whether he thinks this is worth adding
an interface over?

Cheers,
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