On Sun, Sep 11, 2016 at 04:59:19AM +0200, Stephan Mueller wrote:
> Hi Herbert,
> 
> The AIO support for algif_aead is broken when submitting more than one iocb. 
> The break happens in aead_recvmsg_async at the following code:
> 
>         /* ensure output buffer is sufficiently large */
>         if (usedpages < outlen)
>                 goto free;
> 
> The reason is that when submitting, say, two iocb, ctx->used contains the 
> buffer length for two AEAD operations (as expected). However, the recvmsg 
> code 

I don't think we should allow that.  We should make it so that you
must start a recvmsg before you can send data for a new request.

Remember that the async path should be identical to the sync path,
except that you don't wait for completion.

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
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