Messages in this thread | | | Date | Mon, 18 Apr 2016 15:24:34 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH v2 0/4] Introduce bulk mode for crypto engine framework |
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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 > situation.
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.
Cheers, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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