[Unionfs] Reuse of deleted file names by another user

[Erez Zadok]

In message <47151670.2090407 at hoelldampf.net>, Jens Hoelldampf writes:
> Hi,
> 
> when I delete a file on a unionfs-2.1.6 branch, it is not possible to
> create the file with another user afterwards:
> 
> fagus ~ # touch /var/tmp/a
> fagus ~ # rm /var/tmp/a
> fagus ~ # su - jhl
> jhl at fagus ~ $ touch /var/tmp/a
> touch: setting times of `/var/tmp/a': No such file or directory
> jhl at fagus ~ $ ls -la /nfsro/unionfs_rw/var/tmp/
> total 0
> drwxrwxrwt  2 root root  60 2007-10-16 21:47 .
> drwxr-xr-x 10 root root 200 2007-10-16 21:42 ..
> -rwxr-xr-x  1 root root   0 2007-10-16 21:47 .wh.a
> jhl at fagus ~ $
> 
> Regards,
>  Jens

Jens, I wasn't able to reproduce your setup with 2.6.23.  Can you send me
more info: what kernel you're running, what's the branch configuration
(types etc.), any special lower-branch mount options you're using, etc.  If
you're using NFS, what version, what export options, etc.

Thanks,
Erez.