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Re: waste space with jffs2 ?




OK thanks for that fast answer
i will try to patch the src to use only 1 eraseblock of 128k

dennis

On Sun, 26 Aug 2001, David Woodhouse wrote:

>
> Tim@xxxxxxx.org said:
> > JFFS2 (and JFFS) keep some amount (lets say N) of free erase blocks
> > for system space to handle the Wear Leveling (WL) and Garbage
> > Collection (GC). This should amount to like 5 erase blocks, but might
> > be set higher at present.
>
> >  Now perhaps David would like to comment on current and expected
> > future size of N ?
>
> Current size is 5 erase blocks.
>
> There is no fundamental reason why it couldn't go down to one block, if you
> promise never to find any bad blocks or to waste space by pulling the plug
> while it's writing a node. Two blocks is what I'm aiming for, to allow for
> either of those occurrences.
>
> Actual expected future size over time is a complicated function of many
> variables, depending as it does on the tuple of { free time, capability,
> annoyance with the current situation } for myself and each person out there
> who has CVS access or can drive 'cvs diff -u | mail dwmw2'.
>
> --
> dwmw2
>
>
>


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