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Update comment for garbagecollector

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This commit is contained in:
FengyunPan
2017-06-29 21:42:47 +08:00
parent b697222103
commit 468b97a746
3 changed files with 5 additions and 5 deletions
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6
pkg/controller/garbagecollector/graph.go
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@@ -34,8 +34,8 @@ func (s objectReference) String() string {
return fmt.Sprintf("[%s/%s, namespace: %s, name: %s, uid: %s]", s.APIVersion, s.Kind, s.Namespace, s.Name, s.UID)
}
// The single-threaded GraphBuilder.processEvent() is the sole writer of the
// nodes. The multi-threaded GarbageCollector.processItem() reads the nodes.
// The single-threaded GraphBuilder.processGraphChanges() is the sole writer of the
// nodes. The multi-threaded GarbageCollector.attemptToDeleteItem() reads the nodes.
// WARNING: node has different locks on different fields. setters and getters
// use the respective locks, so the return values of the getters can be
// inconsistent.
@@ -46,7 +46,7 @@ type node struct {
// dependents are the nodes that have node.identity as a
// metadata.ownerReference.
dependents map[*node]struct{}
// this is set by processEvent() if the object has non-nil DeletionTimestamp
// this is set by processGraphChanges() if the object has non-nil DeletionTimestamp
// and has the FinalizerDeleteDependents.
deletingDependents bool
deletingDependentsLock sync.RWMutex