[libvirt] [PATCH] util: Remove empty resource partition created by libvirt

[Daniel P. Berrange]

On Tue, Aug 11, 2015 at 04:57:15PM +0530, Nikunj A Dadhania wrote:
> The default resource partition is created in the domain start path if it
> is not existing. Even when libvirtd is stopped after shutting down all
> domains, the resource partition still exists.
> 
> The patch adds code to removes the default resource partition in the
> cgroup removal path of the domain. If the default resource partition is
> found to have no child cgroup, the default resource partition will be
> removed.
> 
> Moreover, the code does not remove the user provided resource
> partitions.
> 
> Signed-off-by: Nikunj A Dadhania <nikunj at linux.vnet.ibm.com>

I don't think we want to be doing this. In non-systemd hosts this will
be deleting the heirarchy that the sysadmin manually pre-created for
their VMs. In a systemd host it will also end up deleting slices that
were created by systemd.

Regards,
Daniel
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