linux-kernel - Re: [PATCH v2 1/1] mm: zswap - Add crypto acomp/scomp framework support

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Message-ID: <20170316161730.GA13909@gondor.apana.org.au>
Date:   Fri, 17 Mar 2017 00:17:31 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Dan Streetman <ddstreet@...e.org>
Cc:     Mahipal Reddy <mahipalreddy2006@...il.com>,
        Mahipal Challa <Mahipal.Challa@...ium.com>,
        Seth Jennings <sjenning@...hat.com>,
        Linux-MM <linux-mm@...ck.org>,
        linux-kernel <linux-kernel@...r.kernel.org>, pathreya@...ium.com,
        Vishnu Nair <Vishnu.Nair@...ium.com>
Subject: Re: [PATCH v2 1/1] mm: zswap - Add crypto acomp/scomp framework
 support

On Thu, Mar 16, 2017 at 11:54:43AM -0400, Dan Streetman wrote:
>
> setting the ASYNC bit makes it synchronous?  that seems backwards...?

You set the ASYNC bit in the mask and leave it clear in the type.
That way only algorithms with the ASYNC bit off will match.
 
> Is the acomp interface fully ready for use?

The interface itself is ready but the drivers aren't yet.

So for now only sync implementations are available.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt