Re: [RFC PATCH 23/28] algif: Remove hash_sendpage*()

[Herbert Xu]

David Howells <dhowells@xxxxxxxxxx> wrote:
> Remove hash_sendpage*() and use hash_sendmsg() as the latter seems to just
> use the source pages directly anyway.

...

> -       if (!(flags & MSG_MORE)) {
> -               if (ctx->more)
> -                       err = crypto_ahash_finup(&ctx->req);
> -               else
> -                       err = crypto_ahash_digest(&ctx->req);

You've just removed the optimised path from user-space to
finup/digest.  You need to add them back to sendmsg if you
want to eliminate sendpage.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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