Re: ext2 on flash memory

Juergen Beisert
2007-06-13T06:49:47Z

On Tuesday 12 June 2007 23:09, Jason Lunz wrote:
> 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.

Then you will do some kind of wear leveling (jffs2) over wear leveling
(pendrive). Does this makes sense?

Juergen