linux-kernel - Re: [PATCH] fs: Add romfs version 2

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Date:	Wed, 18 Jul 2007 10:02:09 -0700
From:	Tim Bird <tim.bird@...sony.com>
To:	Lindsay Roberts <lindsay.roberts.os@...il.com>
CC:	Matt Mackall <mpm@...enic.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	celinux-dev@...e.celinuxforum.org
Subject: Re: [PATCH] fs: Add romfs version 2

Lindsay Roberts wrote:
> Yes, my experience has been that it has been almost chillingly close
> to .5k per regular file increase in partition size. I know in
> applications in which size is utterly critical this may be slightly
> unattractive, but in cases where romfs is chosen for its byte
> reproducibility and read-only nature the size/performance tradeoff is
> fairly advantageous.

The size increase makes this a complete non-starter in the
embedded configs I'm familiar with.  Size is still the number
one problem using Linux in consumer electronics products.

I have nothing against this patch, if it achieve some speedups
for other environments.  But I wouldn't expect to see this
option used much in embedded devices.
 -- Tim

=============================
Tim Bird
Architecture Group Chair, CE Linux Forum
Senior Staff Engineer, Sony Corporation of America
=============================

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