[Unionfs] unionfs error

[Vineet Chadha]

Thanks Torsten; It has worked for me with same changes you have specified in
the mail.

Regards,
Vineet

On 11/7/06, Torsten Luettgert <t.luettgert at pressestimmen.de> wrote:
>
> On Di, 2006-11-07 at 09:47 -0500, Vineet Chadha wrote:
> > Hi there,
> >
> > I am using kernel 2.6.18.1 and getting following error with unionfs-1.4.
> > Please help.
>
> Nah, you're not using 2.6.18.1, but the heavily modified Fedora Kernel
> (like I do). It's really surprising how much they changed it.
>
> I use FC6, not FC5, but I guess the kernel is pretty much the same.
> Three problems come up:
>
> - there's no linux/config.h (the kernel guys added some make target
>   for generating the user land headers, and that's what is included
>   in FC kernels. Apparently, config.h is not included).
>   But it's not needed anyway. Just comment out the
>   #include <linux/config.h> lines (one in unionfs.h, one in
>   stale_inode.c)
>
> - Fedora's struct inode doesn't have i_blksize. Since unionfs.h, line
>   520 is the only place it's referenced in unionfs, and the function
>   just copies a struct inode, I commented that line out, too.
>   Had a bit of a bad feeling about it, but it seems to work.
>
> - What I didn't grok is the third problem:
>   dirhelper.c:266: warning: passing argument 2 of 'vfs_readdir' from
>   incompatible pointer type.
>   Well, according to linux/fs.h, the 2nd argument is a filldir_t, which
>   is typedef'd to the exact signature of readdir_util_callback.
>   To work around it, just remove the two "-Werror" options from the
>   Makefile.
>
> Then unionfs will at least compile. I did some basic playing around,
> but no heavy duty testing, so no idea if those changes leave it stable.
>
> Regards,
> Torsten
>
>
>
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