[libvirt] [PATCH] domain_conf: drop unused ref-count in snapshot object

[Daniel P. Berrange]

On Fri, Mar 18, 2011 at 09:28:08AM -0600, Eric Blake wrote:
> The ref count was assigned to 1 at creation, then never modified again
> until it was decremented just before freeing the object.
> 
> * src/conf/domain_conf.h (_virDomainSnapshotObj): Delete unused
> field.
> (virDomainSnapshotObjUnref): Delete unused prototype.
> * src/libvirt_private.syms: Likewise.
> * src/conf/domain_conf.c (virDomainSnapshotObjNew)
> (virDomainSnapshotObjListDataFree): Update users.
> (virDomainSnapshotObjUnref): Delete.
> ---
> 
> I was about to add ATTRIBUTE_RETURN_CHECK to all Unref methods,
> when I discovered that this method is (currently) worthless.
> 
> If we ever change things in the future to have multiple threads
> referring to snapshot objects and need a reference counter, we
> can use Wen's proposed new base-class object to do that in a
> saner manner.  In the meantime, let's just delete the bloat.
> 
>  src/conf/domain_conf.c   |   15 +--------------
>  src/conf/domain_conf.h   |    3 ---
>  src/libvirt_private.syms |    1 -
>  3 files changed, 1 insertions(+), 18 deletions(-)

ACK 

Daniel
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