Re: [PATCH v2 0/4] Introduce bulk mode for crypto engine framework
From: Herbert Xu
Date: Mon Apr 18 2016 - 03:25:20 EST
On Mon, Apr 18, 2016 at 03:21:16PM +0800, Baolin Wang wrote:
> I don't think so, the dm-crypt can not send maximal requests at some
> situations. For example, the 'cbc(aes)' cipher, it must be handled
> sector by sector (IV is dependency for each sector), so the dm-crypt
> can not send maximal requests, but must sector by sector in this
If you can't merge them as requests, then how is the hardware going
to benefit from batching them? Or are you talking about parallel
processing similar to sha-mb?
Even with batching we should be involving the user because only the
user knows (if anyone does) whether more data will be forthcoming.
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt