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Code Releases Activity

Merge pull request #20513 from tonistiigi/retake-ref

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Fix releasing reference on deletion error
This commit is contained in:
David Calavera 2016-02-19 13:25:26 -08:00
commit e51457eea8
2 changed files with 10 additions and 0 deletions
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3
layer/layer_store.go
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@ -498,18 +498,21 @@ func (ls *layerStore) ReleaseRWLayer(l RWLayer) ([]Metadata, error) {
if err := ls.driver.Remove(m.mountID); err != nil {
logrus.Errorf("Error removing mounted layer %s: %s", m.name, err)
m.retakeReference(l)
return nil, err
}
if m.initID != "" {
if err := ls.driver.Remove(m.initID); err != nil {
logrus.Errorf("Error removing init layer %s: %s", m.name, err)
m.retakeReference(l)
return nil, err
}
}
if err := ls.store.RemoveMount(m.name); err != nil {
logrus.Errorf("Error removing mount metadata: %s: %s", m.name, err)
m.retakeReference(l)
return nil, err
}

7
layer/mounted_layer.go
View file

@ -96,6 +96,13 @@ func (ml *mountedLayer) deleteReference(ref RWLayer) error {
return nil
}
func (ml *mountedLayer) retakeReference(r RWLayer) {
if ref, ok := r.(*referencedRWLayer); ok {
ref.activityCount = 0
ml.references[ref] = ref
}
}
type referencedRWLayer struct {
*mountedLayer