JFFS2_RESERVED_BLOCKS_*

David Woodhouse dwmw2 at infradead.org
Tue Oct 2 12:35:44 EDT 2001


ldoolitt at recycle.lbl.gov said:
>  Maybe my use is atypical, and maybe 5 blocks is a theoretical
> minimum.  I don't want to sound like a complainer, either -- this file
> system certainly looks like it meets my needs. I guess I just want to
> point out the superficial imbalance between the amount of sweat people
> pour out on projects like busybox to reduce code size by a few kB,
> when there is 320 kB "just lying around" on any JFFS2 on a 64 kB erase
> block chip.

Theoretical minimum is one block, not five. Give me formal proof that 
this is also the _practical_ minimum, and we can drop the 
overly-conservative limits.

Actually, we'd drop it to two, to allow for at least one block going bad on 
us. More than two on NAND flash.

--
dwmw2






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