David Woodhouse dwmw2 at
Thu Sep 14 08:54:46 EDT 2000

ajlennon at said:
>  FlashFx implements VBF to support block access to the media and to
> provide wear levelling amongst other things (I believe). The "Variable
> Block Flash" component is *not* a filesystem. It simply translates
> logical sector requests to physical flash locations. 

Similar in principle, then, if not in implementation, to FTL.
A kind of pseudo-filesystem which is used to emulate a block device.

Does it use the concepts which are patented by M-Systems? I believe that 
the patents in this area are extremely broad, and cover almost all obvious
methods of implementing wear levelling. 


To unsubscribe, send "unsubscribe mtd" to majordomo at

More information about the linux-mtd mailing list