Messages in this thread | | | Date | Mon, 18 Apr 2016 15:21:16 +0800 | Subject | Re: [PATCH v2 0/4] Introduce bulk mode for crypto engine framework | From | Baolin Wang <> |
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On 18 April 2016 at 15:04, Herbert Xu <herbert@gondor.apana.org.au> wrote: > On Mon, Apr 18, 2016 at 02:02:51PM +0800, Baolin Wang wrote: >> >> If the crypto hardware engine can support bulk data >> encryption/decryption, so the engine driver can select bulk mode to >> handle the requests. I think it is a totally driver things, not in >> dmcrypt. The dmcrypt can not get the hardware engine's attributes. > > It has nothing to do with the hardware attributes. dm-crypt should > be sending maximal requests in the first place.
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.
> > 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
-- Baolin.wang Best Regards
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