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From: Zac Medico <zmedico@gmail.com>
To: giulio fedel <giulio.fedel@andorsystems.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: jffs2 kernel dump with 2.6.22-rc7
Date: Sat, 18 Aug 2007 14:08:36 -0700	[thread overview]
Message-ID: <46C75FD4.90801@gmail.com> (raw)
In-Reply-To: <46C5D764.5000303@andorsystems.com>

giulio fedel 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).

I can confirm that your patch solves the problem for me. I've been
unable to use jffs2 since 2.6.22 because of this problem. Thanks for
the fix!

Zac

  reply	other threads:[~2007-08-18 21:08 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <8c7950360707091227v14daf14cs48fb1377e903be6c@mail.gmail.com>
2007-08-01 18:41 ` jffs2 kernel dump with 2.6.22-rc7 shanevolpe
2007-08-17 17:14   ` giulio fedel
2007-08-18 21:08     ` Zac Medico [this message]
2007-08-18 21:42     ` Josh Boyer
2007-08-19  0:59       ` Joakim Tjernlund
2007-08-19  8:56       ` David Woodhouse
2007-08-20  3:33         ` Zac Medico
2007-08-20  9:08         ` giulio fedel
2007-07-10 11:09 shanevolpe

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