From: Russell King <rmk+lkml@arm.linux.org.uk>
To: David Woodhouse <dwmw2@infradead.org>
Cc: linux-mtd@lists.infradead.org,
Linux Kernel List <linux-kernel@vger.kernel.org>
Subject: Re: [BUG] 2.6.8-rc3 jffs2 unable to read filesystems
Date: Sat, 7 Aug 2004 23:45:36 +0100 [thread overview]
Message-ID: <20040807234536.C1322@flint.arm.linux.org.uk> (raw)
In-Reply-To: <1091915887.1438.99.camel@imladris.demon.co.uk>; from dwmw2@infradead.org on Sat, Aug 07, 2004 at 10:58:07PM +0100
On Sat, Aug 07, 2004 at 10:58:07PM +0100, David Woodhouse wrote:
> On Sat, 2004-08-07 at 14:18 +0100, Russell King wrote:
> > This can be seen by tracing through the code from jffs2_alloc_raw_inode()
> > and noticing that previous implementations do not initialise this field -
> > AFAICS kmem_cache_alloc() does not guarantee that memory returned by
> > this function will be initialised.
>
> Doh.
>
> > Therefore, recent 2.6.8-rc kernels must _NOT_ use this field if they
> > wish to remain compatible with existing jffs2 filesystems.
>
> The format is compatible in theory -- we just need to work around the
> bug in the older code. Can you try this?
Ok, this boots fine here, thanks.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/
2.6 Serial core
prev parent reply other threads:[~2004-08-07 22:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-07 13:18 [BUG] 2.6.8-rc3 jffs2 unable to read filesystems Russell King
2004-08-07 21:58 ` David Woodhouse
2004-08-07 22:45 ` Russell King [this message]
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