[PATCH 1/7] xfs: fix dentry aliasing issues in open_by_handle

[Lachlan McIlroy]

Dave Chinner wrote:
> On Wed, Jan 14, 2009 at 06:02:40PM +1100, Lachlan McIlroy wrote:
>> Christoph,
>>
>> When I build with this patch it fails with:
>>
>>    CC      init/version.o
>>    LD      init/built-in.o
>>    LD      .tmp_vmlinux1
>> fs/built-in.o: In function `xfs_handle_to_dentry':
>> /home/lachlan/git/xfs-update/fs/xfs/linux-2.6/xfs_ioctl.c:211: undefined reference to `exportfs_decode_fh'
>> make: *** [.tmp_vmlinux1] Error 1
> 
> Given:
> 
> EXPORT_SYMBOL_GPL(exportfs_decode_fh);
> 
> Did you build with EXPORTFS support in your kernel?
Not explicitly.  I can't find a reference to it anywhere in my .config.

> 
> If not, then I think that fs/xfs/Kconfig needs to select EXPORTFS
> when XFS is configured in (i.e. it's a new dependency).
> 
> Cheers,
> 
> Dave.