FTLs for NANDSim

Josh Boyer jwboyer at gmail.com
Mon Oct 22 12:12:09 EDT 2007

On 10/22/07, Jörn Engel <joern at logfs.org> wrote:
> On Mon, 22 October 2007 10:33:08 +0100, David Woodhouse wrote:
> >
> > > 2. Do you have any implementations of FTL at Kernel level?
> >
> > Yes. We have the simplistic 'mtdblock' which doesn't really do any
> > translation at all, we have 'FTL' which works only on NOR flash, and we
> > have 'NFTL' and 'INFTL' for use on DiskOnChip devices. There is a helper
> > layer which is designed to make it relatively easy for you to provide
> > your own translation layer, without having to get too deeply involved in
> > how Linux block device drivers work.
> There are at least two more:
> ssfdc.c
> rfd_ftl.c
> One of them appears to do the smartmedia format, the other something
> very similar.

There is also UBI of course.  Which people will say isn't an FTL, but
it's somewhat similar.


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