JFFS3 superblock search

[Artem B. Bityuckiy]

> in order not to lose your attention I decided to announce that the JFFS3
> design document (v0.1) now has a description of the Superblock
> management scheme. It allows to solve the slow mount problem and admits
> of locating the position of the Superblock for < 2ms (you'll find some
> digits in the document). Any suggestions, criticism etc are appreciated.

The document is here:
http://www.linux-mtd.infradead.org/tech/JFFS3design.pdf