linux-kernel - Re: ext2 on flash memory

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Message-ID: <20070612210943.GA27509@metaxa.reflex>
Date:	Tue, 12 Jun 2007 17:09:45 -0400
From:	Jason Lunz <lunz@...ooley.org>
To:	DervishD <lkml@...vishd.net>
Cc:	lkml <linux-kernel@...r.kernel.org>
Subject: Re: ext2 on flash memory

In gmane.linux.kernel, you wrote:
>     I was wondering: is there any reason not to use ext2 on an USB
> pendrive? Really my question is not only about USB pendrives, but any
> device whose storage is flash based. Let's assume that the device has a
> good quality flash memory with wear leveling and the like...

Have a look at the UBI layer. It adds wear-levelling to MTD devices.  Of
course, to use it on a regular blockdev like this you'll have to do
something like usb-storage (sd) -> block2mtd -> ubi -> jffs2. But it can
be done afaik.

Jason
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