[PATCH]fs/jffs2/wbuf.c: add compatibility support for OOB data block

[Ferenc Havasi]

Hi Artem!

>>We tried the latest snapshot with summary and without summary and it 
>>reported CRC errors. We tried it with older JFFS2 snapshot and it worked 
>>well.
>>    
>>
>Which CRC errors?
>Ferenc, please, if you've met some problems, don't keeps silence. You
>know the procedure - logs, debug enable, etc. Thanks.
>  
>
I remember a letter you wrote to mtd list about "don't use recent JFFS2 
- try earlier". I thought it means that you already know about some 
bugs, and our problem is related to them.

Zoltan (my college) will send you more information soon.

Bye,
Ferenc