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Windows: Remove dead code RegisterDiffIDs

Signed-off-by: John Howard <jhoward@microsoft.com>
This commit is contained in:
John Howard 2017-01-09 08:56:34 -08:00
parent edcfb83b83
commit 02ed83aee9

View file

@ -2,11 +2,8 @@ package layer
import (
"errors"
"fmt"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/daemon/graphdriver"
"github.com/opencontainers/go-digest"
)
// GetLayerPath returns the path to a layer
@ -35,59 +32,6 @@ func GetLayerPath(s Store, layer ChainID) (string, error) {
return path, nil
}
func (ls *layerStore) RegisterDiffID(graphID string, size int64) (Layer, error) {
var err error // this is used for cleanup in existingLayer case
diffID := digest.FromBytes([]byte(graphID))
// Create new roLayer
layer := &roLayer{
cacheID: graphID,
diffID: DiffID(diffID),
referenceCount: 1,
layerStore: ls,
references: map[Layer]struct{}{},
size: size,
}
tx, err := ls.store.StartTransaction()
if err != nil {
return nil, err
}
defer func() {
if err != nil {
if err := tx.Cancel(); err != nil {
logrus.Errorf("Error canceling metadata transaction %q: %s", tx.String(), err)
}
}
}()
layer.chainID = createChainIDFromParent("", layer.diffID)
if !ls.driver.Exists(layer.cacheID) {
return nil, fmt.Errorf("layer %q is unknown to driver", layer.cacheID)
}
if err = storeLayer(tx, layer); err != nil {
return nil, err
}
ls.layerL.Lock()
defer ls.layerL.Unlock()
if existingLayer := ls.getWithoutLock(layer.chainID); existingLayer != nil {
// Set error for cleanup, but do not return
err = errors.New("layer already exists")
return existingLayer.getReference(), nil
}
if err = tx.Commit(layer.chainID); err != nil {
return nil, err
}
ls.layerMap[layer.chainID] = layer
return layer.getReference(), nil
}
func (ls *layerStore) mountID(name string) string {
// windows has issues if container ID doesn't match mount ID
return name