Do not understand use of oobfree

[Adrian Hunter]

ext Philip Rakity wrote:
> b) the oobfree area is specified as a {offset, length) pair.  When this
> gets to say the jffs2 file system what does it see.  For example
> 	.oobfree = { {8, 8} }

8 free bytes at offset 8

> 
> it would see 8 bytes starting at offset 8 OR 8 bytes starting at offset
> 0 and the mtd driver would do the mapping.
> 
> more complex example
> 	.oobfree = { {3, 2}, {6, 2} }
> 
> would jffs2 see 4 bytes at offset 0. or 2 sets of data at offset 3 and
> offset 6.

2 free bytes at offset 3
2 free bytes at offset 6

Note that the total free bytes for a page is stored in oobavail.