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Re: JFFS2 alternative

From: Øyvind Harboe <oyvind dot harboe at zylin dot com>
To: Gary Thomas <gary at mlbassoc dot com>
Cc: eCos Disuss <ecos-discuss at ecos dot sourceware dot org>
Date: Tue, 30 Jun 2009 10:52:11 +0200
Subject: Re: [ECOS] JFFS2 alternative
References: <c09652430906292347u624c3d93u4724bf1b56b9df40@mail.gmail.com> <4A49D0F8.4060807@mlbassoc.com>

On Tue, Jun 30, 2009 at 10:46 AM, Gary Thomas<gary@mlbassoc.com> wrote:
> Øyvind Harboe wrote:
>> JFFS2 is fine for smaller file systems, but it breaks down completely
>> on large file systems.
>>
>
> What do you mean "it breaks down completely"?

JFFS2 needs to scan through *all* write nodes upon mount.

Imagine what happens when you have a giga/terrabyte flash
where you write millions/billions of tiny log entries..... it would
take *forever* to boot.

Also memory consumption is proportional to the # of write
operations so that's another trainwrecker.

-- 
Øyvind Harboe
Embedded software and hardware consulting services
http://www.zylin.com

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References:
- JFFS2 alternative
  - From: Øyvind Harboe
- Re: JFFS2 alternative
  - From: Gary Thomas

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