How to quickly write cleanmarkers to jffs2 partitions?

[David Jander]

On Monday 06 March 2006 13:21, Jaap-Jan Boor wrote:
> On Fri, 2006-03-03 at 10:08 +0100, Mathieu Deschamps wrote:
> > Hi,
> >
> > "When preparing a flash partition for JFFS2, it is recommended to put
> > cleanmarkers to the erased blocks.
> > This might be done my means of "-j" option of the "flash_eraseall" MTD
> > utility. Otherwise, JFFS2 will re-erase the blocks
> > which contain all 0xFF and have no cleanmarker. This is an unneeded
> > wasting of time."
> >
> > Source : http://www.linux-mtd.infradead.org/faq/jffs2.html
> >
> > does this may be relevant ?
>
> This is correct, however flash_eraseall does also (as it's
> name suggests, erase all flash blocks, which takes
> some time on NOR flash. If you 'know' the flash is erased,
> it's not needed.
> I used flash_eraseall to write the cleanmarkers, but without
> erasing blocks (and called that utility cleanmark)

Thanks to all for the suggestions.
Is "cleanmark" an open-source tool? Would you share it?

Greetings,

-- 
David Jander