Re: Some JFFS3 feedback

Charles Manning
2005-11-22T06:22:40Z

On Thursday 17 November 2005 06:06, Jörn Engel wrote:
> On Wed, 16 November 2005 17:02:12 +0300, Artem B. Bityutskiy wrote:
> > Charles Manning wrote:
> > >About 9 years back, I did some flash file system patent research and
> > > IIRC one of the patents covered something very similar to the Wandering
> > > Tree approach to addressing the write-in-place problem, so there might
> > > be some IP issues with this. I shall have a scratch around to see if I
> > > can find it (though finding something in a 20+ year old paper mountain
> > > is a challenge).
> >
> > Hmm, it is interesting. We would be very appreciated if you provide some
> > information.
>
> Definitely. If there is a patent on this, we need to do the usual
> dance to find some prior art and either invalidate the patent or make
> it specific enough to be trivially avoided.

I have discussed this with others and there would appear to be some closeness
to WAFL. This has been discussed copiously in the context of ReiserFS and
prior art has been established.

Short answer: it should not be a problem.

#discalimer I'm not a lawyer and all that.

-- CHarles