linux-kernel - Re: [PATCH/RFC] crypto: compress - Return produced bytes in crypto_{, de}compress_{update, final}() (was: Re: [PATCH/RFC] crypto: compress

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Date:	Tue, 28 Jul 2009 16:45:16 +0200 (CEST)
From:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
To:	Phillip Lougher <phillip@...gher.demon.co.uk>
cc:	Herbert Xu <herbert@...dor.apana.org.au>,
	linux-crypto@...r.kernel.org,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	squashfs-devel@...ts.sourceforge.net
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

On Tue, 21 Apr 2009, Phillip Lougher wrote:
> 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.
> 
> I think I said they looked OK to me.  But, I want to do performance tests
> to see if there's any performance degradation over vanilla zlib, and see
> if they cope gracefully with corrupted filesystems.
> 
> Herbert, are the other cryto API patches in linux-next (or any other
> git repository)?

(in the mean time, all of this has been in mainline since a while)

Phillip, any news from you?

Thanks!

With kind regards,

Geert Uytterhoeven
Software Architect
Techsoft Centre

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