linux-kernel - Re: [RFC] LZO de/compression support

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Message-ID: <4cefeab80705280509x73c8a1c9m9e8ba58d235a3666@mail.gmail.com>
Date:	Mon, 28 May 2007 17:39:22 +0530
From:	"Nitin Gupta" <nitingupta910@...il.com>
To:	"Michael-Luke Jones" <mlj28@....ac.uk>
Cc:	lkml <linux-kernel@...r.kernel.org>, linux-mm-cc@...top.org,
	linuxcompressed-devel@...ts.sourceforge.net,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Richard Purdie" <richard@...nedhand.com>,
	"Daniel Hazelton" <dhazelton@...er.net>,
	"Bret Towe" <magnade@...il.com>,
	"Satyam Sharma" <satyam.sharma@...il.com>
Subject: Re: [RFC] LZO de/compression support - take 5

On 5/28/07, Michael-Luke Jones <mlj28@....ac.uk> wrote:
> On 28 May 2007, at 07:59, Nitin Gupta wrote:
>
> > If we get no perf. problems with this patch, then I beleive it is now
> > suitable to inclusion in mainline. Further cleanups and optimizations
> > can surely be done after that. It's still just ~500 LOC.
>
> Before LZO code is sent to Linus, its selection in Kconfig should be
> made orthogonal to the current zlib selection code.
>
> This means:
> 1) Options in lib/Kconfig hidden (selectable by drivers as required)

LZO as hidden option has no practical sense. Although LZO should be
auto-selected when some dependent project is selected (e.g. reieser4)
- there should be separate patch for this. Mixing such changes with
'core' LZO patch will just add side noise.

> 2) Decompression and Compression support separated, as read-only
> filesystems only need to build in decompression support.
>

Ok, I will do this.    I wonder if some difference in opinion in such
things can actually cause 10+ extra RFCs?

Cheers,
Nitin
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