Compact Flash File System?

Brad Hards bhards at
Fri Nov 15 18:30:17 EST 2002

Hash: SHA1

On Fri, 15 Nov 2002 17:56, Alex Satrapa wrote:
> I tried to Google for "compact flash file system" and "compact flash
> filesystem" and "cffs", but I couldn't find anything about a specific
> file system for compact flash except one tease: an extract from an
> (obviously long) argument between two or three people about the validity
> or purity of writing a special file system to cater for CF media - and
> that was back in 2000 (the argument at the time being that unlike the
> F00F bug, Compact Flash would disappear quickly).
It's called Journalling Flash File System (JFFS2) in its current incarnation.

David Woodhouse spoke about it at LCA 2002. I can't find a copy of his paper 
from LCA, but the OLS version is linked off:

Its an interesting idea, but note that not all devices actually require 
wear-leveling to be implemented in the filesystem. I'm not really across 
which technologies implement wear leveling themselves, and which need 
something like JFFS2. Perhaps someone else can clarify this bit.


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