Re: [libvirt PATCH 4/4] conf: add control over COW for storage pool directories

2020-07-23 Thread Peter Krempa
On Mon, Jul 20, 2020 at 18:33:22 +0100, Daniel Berrange wrote: > The storage pool code now attempts to disable COW by default on btrfs, > but management applications may wish to override this behaviour. Thus we > introduce a concept of storage pool features: > > > > > > If the feature

[libvirt PATCH 4/4] conf: add control over COW for storage pool directories

2020-07-20 Thread Daniel P . Berrangé
The storage pool code now attempts to disable COW by default on btrfs, but management applications may wish to override this behaviour. Thus we introduce a concept of storage pool features: If the feature policy is set, it will be enforced. It will always return an hard error if COW c