linux-kernel - Re: [PATCH/RFC] crypto: compress - Return produced bytes in crypto_{, de}compress_{update, final}() (was: Re: [PATCH/RFC] crypto: compress - Add comp_request.total_out (was: Re: [PATCH 6/6] squashfs: Make SquashFS 4 use the new pcomp crypto interface))

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Date:	Tue, 5 May 2009 16:14:27 +0200 (CEST)
From:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>,
	Phillip Lougher <phillip@...gher.demon.co.uk>
cc:	linux-crypto@...r.kernel.org,
	Linux Kernel Development <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH/RFC] crypto: compress - Return produced bytes in crypto_{,
 de}compress_{update, final}() (was: Re: [PATCH/RFC] crypto: compress - Add
 comp_request.total_out (was: Re: [PATCH 6/6] squashfs: Make SquashFS 4 use
 the new pcomp crypto interface))

On Mon, 20 Apr 2009, Geert Uytterhoeven wrote:
> On Mon, 20 Apr 2009, Herbert Xu wrote:
> > On Tue, Mar 24, 2009 at 05:33:01PM +0100, Geert Uytterhoeven wrote:
> > > Here's an alternative patch, which does exactly that.
> > > Phillip, what do you think?
> > > 
> > > Thanks for your comments!
> > > 
> > > >From be7d630f96a85d3ce48716b8e328563ba217647b Mon Sep 17 00:00:00 2001
> > > From: Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
> > > Date: Tue, 24 Mar 2009 17:19:05 +0100
> > > Subject: [PATCH] crypto: compress - Return produced bytes in crypto_{,de}compress_{update,final}()
> > > 
> > > If crypto_{,de}compress_{update,final}() succeed, return the actual number of
> > > bytes produced instead of zero, so their users don't have to calculate that
> > > theirselves.
> > > 
> > > Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
> > 
> > I certainly prefer this version over the other one? Do you want to
> > submit crypto API portion of this?
> 
> If you think I should submit it now, I can do it. But I'm still waiting for
> Phillip's comments.

Phillip, any progress?

If we want to change the API of crypto_{,de}compress_{update,final}(), we
should do it before the release of 2.6.30, and we're already at -rc4...

Thanks!

With kind regards,

Geert Uytterhoeven
Software Architect
Techsoft Centre

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