jffs2 kernel dump with 2.6.22-rc7
joakim.tjernlund at transmode.se
Sat Aug 18 20:59:19 EDT 2007
> -----Original Message-----
> From: Josh Boyer [mailto:jwboyer at gmail.com]
> Sent: den 18 augusti 2007 23:43
> To: giulio fedel; David Woodhouse; Joakim.Tjernlund at transmode.se
> Cc: linux-mtd at lists.infradead.org
> Subject: Re: jffs2 kernel dump with 2.6.22-rc7
> On 8/17/07, giulio fedel <giulio.fedel at andorsystems.com> wrote:
> > In jffs2_do_unlink() in fs/jffs2/write.c
> > the jffs2_complete_reservation(c) is called even if
> > jffs2_reserve_space() is not called. This cause an unmatched
> > up(&c->alloc_sem) so the locking mechanism does not work.
> > People using MTD_CAP_NORFLASH flash _and_
> CONFIG_JFFS2_SUMMARY do not
> > see the problem (see os-linux.h for the definition of
> > jffs2_can_mark_obsolete(c)).
> > I think this is your problem (it was the mine).
> Hm. That would be a regression introduced by commit
> a491486a2087ac3dfc00efb4f838c8d684afaf54 I think.
Looks like it.
> Your patch seems like the correct fix. Could you make it a strip
> level of 1 and add the appropriate Signed-off-by line? If so, we
> should probably push this to -stable for 2.6.22 and be sure to get it
> into 2.6.23.
Yes, can't be long until .23 gets released now, hopefully this
correction will make it in time.
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