[libvirt PATCH 09/11] storage: Statically initialize mutex
Daniel P. Berrangé
berrange at redhat.com
Tue Feb 22 14:28:43 UTC 2022
On Tue, Feb 22, 2022 at 03:10:52PM +0100, Tim Wiederhake wrote:
> On Thu, 2022-02-17 at 13:15 +0000, Daniel P. Berrangé wrote:
> > On Thu, Feb 17, 2022 at 02:01:01PM +0100, Tim Wiederhake wrote:
> >
> > Really should be giving an explanation of why this change
> > is required.
> >
> Added locally to commit message:
>
> Making the mutex static and independent of the lifetime of the
> driver object allows for simplification of mutex handling during
> the object's initialization and cleanup using VIR_LOCK_GUARD's
> unlock-on-scope-exit behavior.
Note, the locking during init/cleanup is pointless because we
rely on serialization and a mere mutex doesn't give us safety
in cleanup, as any concurrent thread will be accessing a freed
driver anyway. I guess that's pre-existing issue though.
Regards,
Daniel
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