JFFS2 mount time

[Ferenc Havasi]

Hi Artem,

> Unfortunately, you can not mark entries as obsoleted in your summary 
> node in case of NAND.
> 
> If you write your summary only for *full* blocks, you will not need to 
> mark entries obsoleted, even if you have NOR flash (but you can on NOR). 
> The partially filled blocks must not have the summary node (you can 
> introduce special marker and write it to OOB of the last page of 
> NAND/last word of sector on NOR which tells if there is the summary node 
> present).

Really, you are right.

So we only have to solve this problem on NOR. I think the easiest 
solution is to set jffs2_can_mark_obsolete() to false if the summary 
support is enabled.

Bye,
Ferenc