On 01/09/2014 09:15 AM, Peter Krempa wrote:
> Use the new storage conversion APIs to delete garbage left behind after
> a failed snapshot attempt using the storage driver.
> ---
> src/qemu/qemu_driver.c | 60 ++++++++++++++++++++++++++++++++++++++------------
> 1 file changed, 46 insertions(+), 14 deletions(-)
>
> cleanup:
> - if (need_unlink && unlink(source))
> - VIR_WARN("unable to unlink just-created %s", source);
> + if (need_unlink) {
> + if (virStorageVolDelete(temppool->vol, 0) < 0) {
YES! This is where sticking the polymorphism in the storage pool
backends, so that the front-ends call simple wrappers without knowing
whether it wraps unlink() or a complex series of gluster API calls,
proves that we are finally getting the separation of design correct.
There's probably a lot more places where we can/should make use of
ephemeral pools, but this is a step in the right direction.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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