Re: JFFS2 node versioning problem?

Artem B. Bityutskiy
2006-05-03T12:03:10Z

Dmitry Bazhenov wrote:
> Hello everybody!
>
> I was just thinking about hypothetical situation with JFFS2 wich possibly
> could be met in the reality. What happens when the highest node version of a
> certain inode exceeds the maximum value?
>
> I think this can be a point where the inode can be broken. If there are two
> data nodes which have overlapped regions and more recent node has a lesser
> value then the other node has, then, when the partition is dismounted and
> mounted again the more recent inode is treated as an older one and could be
> obsoleted. Even if it is not obsoleted, its data become superseeded by data
> from the least recent node as the last one has a higher version number.
>
Can it happen with a real-life flash device? If it can, we have to
switch to 64-bit versions.

--
Best Regards,
Artem B. Bityutskiy,
St.-Petersburg, Russia.