[Unionfs] modprobe error on CentOS 5.2 (RHEL 5.2)

[Ian Kent]

On Fri, 2009-01-30 at 16:53 +0530, Nitin Bhardwaj wrote:
> Now, I have tried building the RPMs with different permutations of
> kernel specs and unionfs-2.x patches, and have deduced the following
> (The version of patch doesn't matter: problem is exhibited by both
> 2.3.3 as well as 2.4 RHEL5 patches,
> and the kabi check has to be turned OFF everytime):
> 
> If I do NOT include CONFIG_UNION_FS_XATTR=y in the kernel spec, the
> prep stage of the rpmbuild fails with the following:
> --------------------------------------------------------
> + make ARCH=i386 nonint_oldconfig
> CONFIG_UNION_FS_XATTR
> make[1]: *** [nonint_oldconfig] Error 2
> --------------------------------------------------------

So what is in .config for this failed build.
There probably no CONFIG_UNION_FS_XATTR entry at all.
Did you actually follow the instructions I gave regarding the changes
needed in SOURCES/kernel-*.config files used by the build?

> 
> On the other hand, If I insert CONFIG_UNION_FS_XATTR=y into the kernel
> spec, the prep goes fine, but later the compilation
> fails with the following:
> --------------------------------------------------------
>    CC [M]  fs/unionfs/rdstate.o
>    CC [M]  fs/unionfs/copyup.o
>  fs/unionfs/copyup.c: In function 'copyup_xattrs':
>  fs/unionfs/copyup.c:38: error: implicit declaration of function
>  'vfs_listxattr'
>  make[2]: *** [fs/unionfs/copyup.o] Error 1
>  make[1]: *** [fs/unionfs] Error 2
>  make: *** [fs] Error 2
> --------------------------------------------------------

Not really relevant since we've been told it isn't supported.

> 
> 
> Any suggestions ?
> 
> 
> Thanks,
> Nitin.
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