etcdserver: take read lock when cloning store
@@ -747,7 +747,7 @@ func (s *store) SaveNoCopy() ([]byte, error) {
}
func (s *store) Clone() Store {
- s.worldLock.Lock()
+ s.worldLock.RLock()
clonedStore := newStore()
clonedStore.CurrentIndex = s.CurrentIndex
@@ -756,7 +756,7 @@ func (s *store) Clone() Store {
clonedStore.Stats = s.Stats.clone()
clonedStore.CurrentVersion = s.CurrentVersion
- s.worldLock.Unlock()
+ s.worldLock.RUnlock()
return clonedStore
}
