On Mon, Apr 18, 2016 at 04:40:36PM +0800, Baolin Wang wrote: > > Simply to say, now there are many different hardware engines for > different vendors, some engines can support bulk block but some can > not (or no cipher hardware engine), then the dm-crypt can not know > your hardware engine features. If the dm-crypt send one bulk block to > low level, but the engine driver can not support bulk block, then it > will crash. So we did the merging action in driver level not dm-crypt > level.
Surely we can handle it in the crypto API layer, just as we do GSO in the network stack for drivers that can't handle TSO? Cheers, -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
