linux-kernel - Re: RFC: direct MTD support for SquashFS

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Message-ID: <87ljdsibqe.fsf@macbook.be.48ers.dk>
Date:	Tue, 16 Mar 2010 15:26:33 +0100
From:	Peter Korsgaard <jacmet@...site.dk>
To:	Ferenc Wagner <wferi@...f.hu>
Cc:	Phillip Lougher <phillip@...gher.demon.co.uk>,
	linux-fsdevel@...r.kernel.org, linux-mtd@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-embedded@...r.kernel.org
Subject: Re: RFC: direct MTD support for SquashFS

>>>>> "Ferenc" == Ferenc Wagner <wferi@...f.hu> writes:

 Ferenc> Hi,

 Ferenc> In embedded systems, SquashFS over MTD would be a considerable
 Ferenc> win, as that would permit configuring without CONFIG_BLOCK.
 Ferenc> Please find attached a naive patch against 2.6.33 for this.  It
 Ferenc> does not handle bad MTD blocks, that could be handled by gluebi
 Ferenc> (once you're willing to take the UBI overhead), or by a custom
 Ferenc> solution later.

 Ferenc> For now, 2.6.34 gained pluggable decompressors, so this patch
 Ferenc> does not apply anymore, though the main idea holds.  My
 Ferenc> questions: is the community interested in integrating something
 Ferenc> like this, should this patch transformed into something
 Ferenc> acceptable, or am I a total lunatic?  I don't know a thing
 Ferenc> about filesystem development, but willing to learn and
 Ferenc> refactor.  Comments welcome.

Nice, I have been thinking about that as well. What kind of size savings
are you getting with this?

CC'ing linux-embedded as this might be of interest there as well.

-- 
Bye, Peter Korsgaard
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