[Yaffs] CVS updates

[Charles Manning]

Hi YAFFSers

I have just done some YAFFS and YAFFS2 updates in CVS.

Some of these are patching in some older stuff that I should have done a=20
while ago and include the fixes to kill_block_super and the handling of=20
special inodes in 2.6.  I have been delaying these waiting to set up a ne=
w=20
2.6 box, but have not done this and so checked them in anyway. If any of =
this=20
breaks you, please scream.


The major change has been adding the two scanning speed-ups to YAFFS2:
* Backward scanning
* Stuffing extra information into the tags for object headers.
Some people have tried these and get **huge** speedups in mounting.

-- Charles