Date: Tue, 22 Nov 2005 17:05:07 -0800
From: Andrew Morton <akpm@osdl.org>
To: Linus Torvalds <torvalds@osdl.org>
Cc: jeffrey.hundstad@mnsu.edu, ak@muc.de, linux-kernel@vger.kernel.org
Subject: Re: Linux 2.6.15-rc2
Message-Id: <20051122170507.37ebbc0c.akpm@osdl.org>
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Linus Torvalds <torvalds@osdl.org> wrote:
>
> 
> 
> On Tue, 22 Nov 2005, Andrew Morton wrote:
> 
> > Jeffrey Hundstad <jeffrey.hundstad@mnsu.edu> wrote:
> > >
> > >                 from fs/compat_ioctl.c:52,
> > >                  from arch/x86_64/ia32/ia32_ioctl.c:14:
> > > include/linux/ext3_fs.h: In function 'ext3_raw_inode':
> > > include/linux/ext3_fs.h:696: error: dereferencing pointer to incomplete type
> > 
> > This might help?

The patch didn't help.

> 
> Why does it happen at all, though?

davem recently merged a patch which adds ext3 ioctls to fs/compat_ioctl.c. 
That required inclusion of ext3 and jbd header files.  Those files explode
unpleasantly when CONFIG_JBD=n.

No trivial fix was apparent - perhaps we should disable the compat wrappers
if CONFIG_EXT3=n and/or CONFIG_JBD=n.

> And why aren't more people reporting 
> this? Something strange going on.

Most people use ext3.
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