Windows: Updates Windows Vendoring

Updates windows dependent libraries for vendoing.

vendor/github.com/Microsoft/hcsshim/internal/wclayer/activatelayer.go

@@ -9,17 +9,24 @@ import (
 // For a read/write layer, the mounted filesystem will appear as a volume on the
 // host, while a read-only layer is generally expected to be a no-op.
 // An activated layer must later be deactivated via DeactivateLayer.
-func ActivateLayer(path string) error {
-	title := "hcsshim::ActivateLayer "
-	logrus.Debugf(title+"path %s", path)
-
-	err := activateLayer(&stdDriverInfo, path)
-	if err != nil {
-		err = hcserror.Errorf(err, title, "path=%s", path)
-		logrus.Error(err)
-		return err
+func ActivateLayer(path string) (err error) {
+	title := "hcsshim::ActivateLayer"
+	fields := logrus.Fields{
+		"path": path,
 	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
-	logrus.Debugf(title+" - succeeded path=%s", path)
+	err = activateLayer(&stdDriverInfo, path)
+	if err != nil {
+		return hcserror.New(err, title+" - failed", "")
+	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/createlayer.go

@@ -7,17 +7,25 @@ import (
 
 // CreateLayer creates a new, empty, read-only layer on the filesystem based on
 // the parent layer provided.
-func CreateLayer(path, parent string) error {
-	title := "hcsshim::CreateLayer "
-	logrus.Debugf(title+"ID %s parent %s", path, parent)
-
-	err := createLayer(&stdDriverInfo, path, parent)
-	if err != nil {
-		err = hcserror.Errorf(err, title, "path=%s parent=%s", path, parent)
-		logrus.Error(err)
-		return err
+func CreateLayer(path, parent string) (err error) {
+	title := "hcsshim::CreateLayer"
+	fields := logrus.Fields{
+		"parent": parent,
+		"path":   path,
 	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
-	logrus.Debugf(title+"- succeeded path=%s parent=%s", path, parent)
+	err = createLayer(&stdDriverInfo, path, parent)
+	if err != nil {
+		return hcserror.New(err, title+" - failed", "")
+	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/createscratchlayer.go

@@ -9,9 +9,20 @@ import (
 // This requires both the id of the direct parent layer, as well as the full list
 // of paths to all parent layers up to the base (and including the direct parent
 // whose id was provided).
-func CreateScratchLayer(path string, parentLayerPaths []string) error {
-	title := "hcsshim::CreateScratchLayer "
-	logrus.Debugf(title+"path %s", path)
+func CreateScratchLayer(path string, parentLayerPaths []string) (err error) {
+	title := "hcsshim::CreateScratchLayer"
+	fields := logrus.Fields{
+		"path": path,
+	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
 	// Generate layer descriptors
 	layers, err := layerPathsToDescriptors(parentLayerPaths)
@@ -21,11 +32,7 @@ func CreateScratchLayer(path string, parentLayerPaths []string) error {
 
 	err = createSandboxLayer(&stdDriverInfo, path, 0, layers)
 	if err != nil {
-		err = hcserror.Errorf(err, title, "path=%s", path)
-		logrus.Error(err)
-		return err
+		return hcserror.New(err, title+" - failed", "")
 	}
-
-	logrus.Debugf(title+"- succeeded path=%s", path)
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/deactivatelayer.go

@@ -6,17 +6,24 @@ import (
 )
 
 // DeactivateLayer will dismount a layer that was mounted via ActivateLayer.
-func DeactivateLayer(path string) error {
-	title := "hcsshim::DeactivateLayer "
-	logrus.Debugf(title+"path %s", path)
-
-	err := deactivateLayer(&stdDriverInfo, path)
-	if err != nil {
-		err = hcserror.Errorf(err, title, "path=%s", path)
-		logrus.Error(err)
-		return err
+func DeactivateLayer(path string) (err error) {
+	title := "hcsshim::DeactivateLayer"
+	fields := logrus.Fields{
+		"path": path,
 	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
-	logrus.Debugf(title+"succeeded path=%s", path)
+	err = deactivateLayer(&stdDriverInfo, path)
+	if err != nil {
+		return hcserror.New(err, title+"- failed", "")
+	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/destroylayer.go

@@ -7,17 +7,24 @@ import (
 
 // DestroyLayer will remove the on-disk files representing the layer with the given
 // path, including that layer's containing folder, if any.
-func DestroyLayer(path string) error {
-	title := "hcsshim::DestroyLayer "
-	logrus.Debugf(title+"path %s", path)
-
-	err := destroyLayer(&stdDriverInfo, path)
-	if err != nil {
-		err = hcserror.Errorf(err, title, "path=%s", path)
-		logrus.Error(err)
-		return err
+func DestroyLayer(path string) (err error) {
+	title := "hcsshim::DestroyLayer"
+	fields := logrus.Fields{
+		"path": path,
 	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
-	logrus.Debugf(title+"succeeded path=%s", path)
+	err = destroyLayer(&stdDriverInfo, path)
+	if err != nil {
+		return hcserror.New(err, title+" - failed", "")
+	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/expandscratchsize.go

@@ -6,17 +6,25 @@ import (
 )
 
 // ExpandScratchSize expands the size of a layer to at least size bytes.
-func ExpandScratchSize(path string, size uint64) error {
-	title := "hcsshim::ExpandScratchSize "
-	logrus.Debugf(title+"path=%s size=%d", path, size)
-
-	err := expandSandboxSize(&stdDriverInfo, path, size)
-	if err != nil {
-		err = hcserror.Errorf(err, title, "path=%s size=%d", path, size)
-		logrus.Error(err)
-		return err
+func ExpandScratchSize(path string, size uint64) (err error) {
+	title := "hcsshim::ExpandScratchSize"
+	fields := logrus.Fields{
+		"path": path,
+		"size": size,
 	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
-	logrus.Debugf(title+"- succeeded path=%s size=%d", path, size)
+	err = expandSandboxSize(&stdDriverInfo, path, size)
+	if err != nil {
+		return hcserror.New(err, title+" - failed", "")
+	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/exportlayer.go

@@ -1,14 +1,11 @@
 package wclayer
 
 import (
-	"io"
 	"io/ioutil"
 	"os"
-	"syscall"
 
 	"github.com/Microsoft/go-winio"
 	"github.com/Microsoft/hcsshim/internal/hcserror"
-	"github.com/Microsoft/hcsshim/internal/interop"
 	"github.com/sirupsen/logrus"
 )
 
@@ -17,9 +14,21 @@ import (
 // format includes any metadata required for later importing the layer (using
 // ImportLayer), and requires the full list of parent layer paths in order to
 // perform the export.
-func ExportLayer(path string, exportFolderPath string, parentLayerPaths []string) error {
-	title := "hcsshim::ExportLayer "
-	logrus.Debugf(title+"path %s folder %s", path, exportFolderPath)
+func ExportLayer(path string, exportFolderPath string, parentLayerPaths []string) (err error) {
+	title := "hcsshim::ExportLayer"
+	fields := logrus.Fields{
+		"path":             path,
+		"exportFolderPath": exportFolderPath,
+	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
 	// Generate layer descriptors
 	layers, err := layerPathsToDescriptors(parentLayerPaths)
@@ -29,12 +38,8 @@ func ExportLayer(path string, exportFolderPath string, parentLayerPaths []string
 
 	err = exportLayer(&stdDriverInfo, path, exportFolderPath, layers)
 	if err != nil {
-		err = hcserror.Errorf(err, title, "path=%s folder=%s", path, exportFolderPath)
-		logrus.Error(err)
-		return err
+		return hcserror.New(err, title+" - failed", "")
 	}
-
-	logrus.Debugf(title+"succeeded path=%s folder=%s", path, exportFolderPath)
 	return nil
 }
 
@@ -44,96 +49,20 @@ type LayerReader interface {
 	Close() error
 }
 
-// FilterLayerReader provides an interface for extracting the contents of an on-disk layer.
-type FilterLayerReader struct {
-	context uintptr
-}
-
-// Next reads the next available file from a layer, ensuring that parent directories are always read
-// before child files and directories.
-//
-// Next returns the file's relative path, size, and basic file metadata. Read() should be used to
-// extract a Win32 backup stream with the remainder of the metadata and the data.
-func (r *FilterLayerReader) Next() (string, int64, *winio.FileBasicInfo, error) {
-	var fileNamep *uint16
-	fileInfo := &winio.FileBasicInfo{}
-	var deleted uint32
-	var fileSize int64
-	err := exportLayerNext(r.context, &fileNamep, fileInfo, &fileSize, &deleted)
-	if err != nil {
-		if err == syscall.ERROR_NO_MORE_FILES {
-			err = io.EOF
-		} else {
-			err = hcserror.New(err, "ExportLayerNext", "")
-		}
-		return "", 0, nil, err
-	}
-	fileName := interop.ConvertAndFreeCoTaskMemString(fileNamep)
-	if deleted != 0 {
-		fileInfo = nil
-	}
-	if fileName[0] == '\\' {
-		fileName = fileName[1:]
-	}
-	return fileName, fileSize, fileInfo, nil
-}
-
-// Read reads from the current file's Win32 backup stream.
-func (r *FilterLayerReader) Read(b []byte) (int, error) {
-	var bytesRead uint32
-	err := exportLayerRead(r.context, b, &bytesRead)
-	if err != nil {
-		return 0, hcserror.New(err, "ExportLayerRead", "")
-	}
-	if bytesRead == 0 {
-		return 0, io.EOF
-	}
-	return int(bytesRead), nil
-}
-
-// Close frees resources associated with the layer reader. It will return an
-// error if there was an error while reading the layer or of the layer was not
-// completely read.
-func (r *FilterLayerReader) Close() (err error) {
-	if r.context != 0 {
-		err = exportLayerEnd(r.context)
-		if err != nil {
-			err = hcserror.New(err, "ExportLayerEnd", "")
-		}
-		r.context = 0
-	}
-	return
-}
-
 // NewLayerReader returns a new layer reader for reading the contents of an on-disk layer.
 // The caller must have taken the SeBackupPrivilege privilege
 // to call this and any methods on the resulting LayerReader.
 func NewLayerReader(path string, parentLayerPaths []string) (LayerReader, error) {
-	if procExportLayerBegin.Find() != nil {
-		// The new layer reader is not available on this Windows build. Fall back to the
-		// legacy export code path.
-		exportPath, err := ioutil.TempDir("", "hcs")
-		if err != nil {
-			return nil, err
-		}
-		err = ExportLayer(path, exportPath, parentLayerPaths)
-		if err != nil {
-			os.RemoveAll(exportPath)
-			return nil, err
-		}
-		return &legacyLayerReaderWrapper{newLegacyLayerReader(exportPath)}, nil
-	}
-
-	layers, err := layerPathsToDescriptors(parentLayerPaths)
+	exportPath, err := ioutil.TempDir("", "hcs")
 	if err != nil {
 		return nil, err
 	}
-	r := &FilterLayerReader{}
-	err = exportLayerBegin(&stdDriverInfo, path, layers, &r.context)
+	err = ExportLayer(path, exportPath, parentLayerPaths)
 	if err != nil {
-		return nil, hcserror.New(err, "ExportLayerBegin", "")
+		os.RemoveAll(exportPath)
+		return nil, err
 	}
-	return r, err
+	return &legacyLayerReaderWrapper{newLegacyLayerReader(exportPath)}, nil
 }
 
 type legacyLayerReaderWrapper struct {

vendor/github.com/Microsoft/hcsshim/internal/wclayer/getlayermountpath.go

@@ -11,20 +11,29 @@ import (
 // the path at which that layer can be accessed.  This path may be a volume path
 // if the layer is a mounted read-write layer, otherwise it is expected to be the
 // folder path at which the layer is stored.
-func GetLayerMountPath(path string) (string, error) {
-	title := "hcsshim::GetLayerMountPath "
-	logrus.Debugf(title+"path %s", path)
+func GetLayerMountPath(path string) (_ string, err error) {
+	title := "hcsshim::GetLayerMountPath"
+	fields := logrus.Fields{
+		"path": path,
+	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
 	var mountPathLength uintptr
 	mountPathLength = 0
 
 	// Call the procedure itself.
-	logrus.Debugf("Calling proc (1)")
-	err := getLayerMountPath(&stdDriverInfo, path, &mountPathLength, nil)
+	logrus.WithFields(fields).Debug("Calling proc (1)")
+	err = getLayerMountPath(&stdDriverInfo, path, &mountPathLength, nil)
 	if err != nil {
-		err = hcserror.Errorf(err, title, "(first call) path=%s", path)
-		logrus.Error(err)
-		return "", err
+		return "", hcserror.New(err, title+" - failed", "(first call)")
 	}
 
 	// Allocate a mount path of the returned length.
@@ -35,15 +44,13 @@ func GetLayerMountPath(path string) (string, error) {
 	mountPathp[0] = 0
 
 	// Call the procedure again
-	logrus.Debugf("Calling proc (2)")
+	logrus.WithFields(fields).Debug("Calling proc (2)")
 	err = getLayerMountPath(&stdDriverInfo, path, &mountPathLength, &mountPathp[0])
 	if err != nil {
-		err = hcserror.Errorf(err, title, "(second call) path=%s", path)
-		logrus.Error(err)
-		return "", err
+		return "", hcserror.New(err, title+" - failed", "(second call)")
 	}
 
 	mountPath := syscall.UTF16ToString(mountPathp[0:])
-	logrus.Debugf(title+"succeeded path=%s mountPath=%s", path, mountPath)
+	fields["mountPath"] = mountPath
 	return mountPath, nil
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/getsharedbaseimages.go

@@ -10,17 +10,20 @@ import (
 // image store and return descriptive info about those images for the purpose
 // of registering them with the graphdriver, graph, and tagstore.
 func GetSharedBaseImages() (imageData string, err error) {
-	title := "hcsshim::GetSharedBaseImages "
+	title := "hcsshim::GetSharedBaseImages"
+	logrus.Debug(title)
+	defer func() {
+		if err != nil {
+			logrus.WithError(err).Error(err)
+		} else {
+			logrus.WithField("imageData", imageData).Debug(title + " - succeeded")
+		}
+	}()
 
-	logrus.Debugf("Calling proc")
 	var buffer *uint16
 	err = getBaseImages(&buffer)
 	if err != nil {
-		err = hcserror.New(err, title, "")
-		logrus.Error(err)
-		return
+		return "", hcserror.New(err, title+" - failed", "")
 	}
-	imageData = interop.ConvertAndFreeCoTaskMemString(buffer)
-	logrus.Debugf(title+" - succeeded output=%s", imageData)
-	return
+	return interop.ConvertAndFreeCoTaskMemString(buffer), nil
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/grantvmaccess.go

@@ -1,24 +1,30 @@
 package wclayer
 
 import (
-	"fmt"
-
 	"github.com/Microsoft/hcsshim/internal/hcserror"
 	"github.com/sirupsen/logrus"
 )
 
 // GrantVmAccess adds access to a file for a given VM
-func GrantVmAccess(vmid string, filepath string) error {
-	title := fmt.Sprintf("hcsshim::GrantVmAccess id:%s path:%s ", vmid, filepath)
-	logrus.Debugf(title)
-
-	err := grantVmAccess(vmid, filepath)
-	if err != nil {
-		err = hcserror.Errorf(err, title, "path=%s", filepath)
-		logrus.Error(err)
-		return err
+func GrantVmAccess(vmid string, filepath string) (err error) {
+	title := "hcsshim::GrantVmAccess"
+	fields := logrus.Fields{
+		"vm-id": vmid,
+		"path":  filepath,
 	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
-	logrus.Debugf(title + " - succeeded")
+	err = grantVmAccess(vmid, filepath)
+	if err != nil {
+		return hcserror.New(err, title+" - failed", "")
+	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/importlayer.go

@@ -1,7 +1,6 @@
 package wclayer
 
 import (
-	"errors"
 	"io/ioutil"
 	"os"
 	"path/filepath"
@@ -16,9 +15,21 @@ import (
 // that into a layer with the id layerId.  Note that in order to correctly populate
 // the layer and interperet the transport format, all parent layers must already
 // be present on the system at the paths provided in parentLayerPaths.
-func ImportLayer(path string, importFolderPath string, parentLayerPaths []string) error {
-	title := "hcsshim::ImportLayer "
-	logrus.Debugf(title+"path %s folder %s", path, importFolderPath)
+func ImportLayer(path string, importFolderPath string, parentLayerPaths []string) (err error) {
+	title := "hcsshim::ImportLayer"
+	fields := logrus.Fields{
+		"path":             path,
+		"importFolderPath": importFolderPath,
+	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
 	// Generate layer descriptors
 	layers, err := layerPathsToDescriptors(parentLayerPaths)
@@ -28,12 +39,8 @@ func ImportLayer(path string, importFolderPath string, parentLayerPaths []string
 
 	err = importLayer(&stdDriverInfo, path, importFolderPath, layers)
 	if err != nil {
-		err = hcserror.Errorf(err, title, "path=%s folder=%s", path, importFolderPath)
-		logrus.Error(err)
-		return err
+		return hcserror.New(err, title+" - failed", "")
 	}
-
-	logrus.Debugf(title+"succeeded path=%s folder=%s", path, importFolderPath)
 	return nil
 }
 
@@ -52,69 +59,6 @@ type LayerWriter interface {
 	Close() error
 }
 
-// FilterLayerWriter provides an interface to write the contents of a layer to the file system.
-type FilterLayerWriter struct {
-	context uintptr
-}
-
-// Add adds a file or directory to the layer. The file's parent directory must have already been added.
-//
-// name contains the file's relative path. fileInfo contains file times and file attributes; the rest
-// of the file metadata and the file data must be written as a Win32 backup stream to the Write() method.
-// winio.BackupStreamWriter can be used to facilitate this.
-func (w *FilterLayerWriter) Add(name string, fileInfo *winio.FileBasicInfo) error {
-	if name[0] != '\\' {
-		name = `\` + name
-	}
-	err := importLayerNext(w.context, name, fileInfo)
-	if err != nil {
-		return hcserror.New(err, "ImportLayerNext", "")
-	}
-	return nil
-}
-
-// AddLink adds a hard link to the layer. The target of the link must have already been added.
-func (w *FilterLayerWriter) AddLink(name string, target string) error {
-	return errors.New("hard links not yet supported")
-}
-
-// Remove removes a file from the layer. The file must have been present in the parent layer.
-//
-// name contains the file's relative path.
-func (w *FilterLayerWriter) Remove(name string) error {
-	if name[0] != '\\' {
-		name = `\` + name
-	}
-	err := importLayerNext(w.context, name, nil)
-	if err != nil {
-		return hcserror.New(err, "ImportLayerNext", "")
-	}
-	return nil
-}
-
-// Write writes more backup stream data to the current file.
-func (w *FilterLayerWriter) Write(b []byte) (int, error) {
-	err := importLayerWrite(w.context, b)
-	if err != nil {
-		err = hcserror.New(err, "ImportLayerWrite", "")
-		return 0, err
-	}
-	return len(b), err
-}
-
-// Close completes the layer write operation. The error must be checked to ensure that the
-// operation was successful.
-func (w *FilterLayerWriter) Close() (err error) {
-	if w.context != 0 {
-		err = importLayerEnd(w.context)
-		if err != nil {
-			err = hcserror.New(err, "ImportLayerEnd", "")
-		}
-		w.context = 0
-	}
-	return
-}
-
 type legacyLayerWriterWrapper struct {
 	*legacyLayerWriter
 	path             string
@@ -175,32 +119,17 @@ func NewLayerWriter(path string, parentLayerPaths []string) (LayerWriter, error)
 		}, nil
 	}
 
-	if procImportLayerBegin.Find() != nil {
-		// The new layer reader is not available on this Windows build. Fall back to the
-		// legacy export code path.
-		importPath, err := ioutil.TempDir("", "hcs")
-		if err != nil {
-			return nil, err
-		}
-		w, err := newLegacyLayerWriter(importPath, parentLayerPaths, path)
-		if err != nil {
-			return nil, err
-		}
-		return &legacyLayerWriterWrapper{
-			legacyLayerWriter: w,
-			path:              importPath,
-			parentLayerPaths:  parentLayerPaths,
-		}, nil
-	}
-	layers, err := layerPathsToDescriptors(parentLayerPaths)
+	importPath, err := ioutil.TempDir("", "hcs")
 	if err != nil {
 		return nil, err
 	}
-
-	w := &FilterLayerWriter{}
-	err = importLayerBegin(&stdDriverInfo, path, layers, &w.context)
+	w, err := newLegacyLayerWriter(importPath, parentLayerPaths, path)
 	if err != nil {
-		return nil, hcserror.New(err, "ImportLayerStart", "")
+		return nil, err
 	}
-	return w, nil
+	return &legacyLayerWriterWrapper{
+		legacyLayerWriter: w,
+		path:              importPath,
+		parentLayerPaths:  parentLayerPaths,
+	}, nil
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/layerexists.go

@@ -7,19 +7,27 @@ import (
 
 // LayerExists will return true if a layer with the given id exists and is known
 // to the system.
-func LayerExists(path string) (bool, error) {
-	title := "hcsshim::LayerExists "
-	logrus.Debugf(title+"path %s", path)
+func LayerExists(path string) (_ bool, err error) {
+	title := "hcsshim::LayerExists"
+	fields := logrus.Fields{
+		"path": path,
+	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
 	// Call the procedure itself.
 	var exists uint32
-	err := layerExists(&stdDriverInfo, path, &exists)
+	err = layerExists(&stdDriverInfo, path, &exists)
 	if err != nil {
-		err = hcserror.Errorf(err, title, "path=%s", path)
-		logrus.Error(err)
-		return false, err
+		return false, hcserror.New(err, title+" - failed", "")
 	}
-
-	logrus.Debugf(title+"succeeded path=%s exists=%d", path, exists)
+	fields["layer-exists"] = exists != 0
 	return exists != 0, nil
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/layerutils.go

@@ -75,13 +75,13 @@ func layerPathsToDescriptors(parentLayerPaths []string) ([]WC_LAYER_DESCRIPTOR,
 	for i := 0; i < len(parentLayerPaths); i++ {
 		g, err := LayerID(parentLayerPaths[i])
 		if err != nil {
-			logrus.Debugf("Failed to convert name to guid %s", err)
+			logrus.WithError(err).Debug("Failed to convert name to guid")
 			return nil, err
 		}
 
 		p, err := syscall.UTF16PtrFromString(parentLayerPaths[i])
 		if err != nil {
-			logrus.Debugf("Failed conversion of parentLayerPath to pointer %s", err)
+			logrus.WithError(err).Debug("Failed conversion of parentLayerPath to pointer")
 			return nil, err
 		}
 

vendor/github.com/Microsoft/hcsshim/internal/wclayer/nametoguid.go

@@ -10,15 +10,25 @@ import (
 // Host Compute Service, ensuring GUIDs generated with the same string are common
 // across all clients.
 func NameToGuid(name string) (id guid.GUID, err error) {
-	title := "hcsshim::NameToGuid "
+	title := "hcsshim::NameToGuid"
+	fields := logrus.Fields{
+		"name": name,
+	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
 	err = nameToGuid(name, &id)
 	if err != nil {
-		err = hcserror.Errorf(err, title, "name=%s", name)
-		logrus.Error(err)
+		err = hcserror.New(err, title+" - failed", "")
 		return
 	}
-
-	logrus.Debugf(title+"name:%s guid:%s", name, id.String())
+	fields["guid"] = id.String()
 	return
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/preparelayer.go

@@ -14,9 +14,20 @@ var prepareLayerLock sync.Mutex
 // parent layers, and is necessary in order to view or interact with the layer
 // as an actual filesystem (reading and writing files, creating directories, etc).
 // Disabling the filter must be done via UnprepareLayer.
-func PrepareLayer(path string, parentLayerPaths []string) error {
-	title := "hcsshim::PrepareLayer "
-	logrus.Debugf(title+"path %s", path)
+func PrepareLayer(path string, parentLayerPaths []string) (err error) {
+	title := "hcsshim::PrepareLayer"
+	fields := logrus.Fields{
+		"path": path,
+	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
 	// Generate layer descriptors
 	layers, err := layerPathsToDescriptors(parentLayerPaths)
@@ -30,11 +41,7 @@ func PrepareLayer(path string, parentLayerPaths []string) error {
 	defer prepareLayerLock.Unlock()
 	err = prepareLayer(&stdDriverInfo, path, layers)
 	if err != nil {
-		err = hcserror.Errorf(err, title, "path=%s", path)
-		logrus.Error(err)
-		return err
+		return hcserror.New(err, title+" - failed", "")
 	}
-
-	logrus.Debugf(title+"succeeded path=%s", path)
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/unpreparelayer.go

@@ -7,17 +7,24 @@ import (
 
 // UnprepareLayer disables the filesystem filter for the read-write layer with
 // the given id.
-func UnprepareLayer(path string) error {
-	title := "hcsshim::UnprepareLayer "
-	logrus.Debugf(title+"path %s", path)
-
-	err := unprepareLayer(&stdDriverInfo, path)
-	if err != nil {
-		err = hcserror.Errorf(err, title, "path=%s", path)
-		logrus.Error(err)
-		return err
+func UnprepareLayer(path string) (err error) {
+	title := "hcsshim::UnprepareLayer"
+	fields := logrus.Fields{
+		"path": path,
 	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
-	logrus.Debugf(title+"succeeded path=%s", path)
+	err = unprepareLayer(&stdDriverInfo, path)
+	if err != nil {
+		return hcserror.New(err, title+" - failed", "")
+	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/internal/wclayer/wclayer.go

@@ -2,7 +2,7 @@ package wclayer
 
 import "github.com/Microsoft/hcsshim/internal/guid"
 
-//go:generate go run ../../mksyscall_windows.go -output zsyscall_windows.go -winio wclayer.go
+//go:generate go run ../../mksyscall_windows.go -output zsyscall_windows.go wclayer.go
 
 //sys activateLayer(info *driverInfo, id string) (hr error) = vmcompute.ActivateLayer?
 //sys copyLayer(info *driverInfo, srcId string, dstId string, descriptors []WC_LAYER_DESCRIPTOR) (hr error) = vmcompute.CopyLayer?
@@ -22,16 +22,6 @@ import "github.com/Microsoft/hcsshim/internal/guid"
 //sys processBaseImage(path string) (hr error) = vmcompute.ProcessBaseImage?
 //sys processUtilityImage(path string) (hr error) = vmcompute.ProcessUtilityImage?
 
-//sys importLayerBegin(info *driverInfo, id string, descriptors []WC_LAYER_DESCRIPTOR, context *uintptr) (hr error) = vmcompute.ImportLayerBegin?
-//sys importLayerNext(context uintptr, fileName string, fileInfo *winio.FileBasicInfo) (hr error) = vmcompute.ImportLayerNext?
-//sys importLayerWrite(context uintptr, buffer []byte) (hr error) = vmcompute.ImportLayerWrite?
-//sys importLayerEnd(context uintptr) (hr error) = vmcompute.ImportLayerEnd?
-
-//sys exportLayerBegin(info *driverInfo, id string, descriptors []WC_LAYER_DESCRIPTOR, context *uintptr) (hr error) = vmcompute.ExportLayerBegin?
-//sys exportLayerNext(context uintptr, fileName **uint16, fileInfo *winio.FileBasicInfo, fileSize *int64, deleted *uint32) (hr error) = vmcompute.ExportLayerNext?
-//sys exportLayerRead(context uintptr, buffer []byte, bytesRead *uint32) (hr error) = vmcompute.ExportLayerRead?
-//sys exportLayerEnd(context uintptr) (hr error) = vmcompute.ExportLayerEnd?
-
 //sys grantVmAccess(vmid string, filepath string) (hr error) = vmcompute.GrantVmAccess?
 
 type _guid = guid.GUID

vendor/github.com/Microsoft/hcsshim/internal/wclayer/zsyscall_windows.go

@@ -1,4 +1,4 @@
-// MACHINE GENERATED BY 'go generate' COMMAND; DO NOT EDIT
+// Code generated mksyscall_windows.exe DO NOT EDIT
 
 package wclayer
 
@@ -6,8 +6,6 @@ import (
 	"syscall"
 	"unsafe"
 
-	"github.com/Microsoft/go-winio"
-	"github.com/Microsoft/hcsshim/internal/interop"
 	"golang.org/x/sys/windows"
 )
 
@@ -58,14 +56,6 @@ var (
 	procUnprepareLayer      = modvmcompute.NewProc("UnprepareLayer")
 	procProcessBaseImage    = modvmcompute.NewProc("ProcessBaseImage")
 	procProcessUtilityImage = modvmcompute.NewProc("ProcessUtilityImage")
-	procImportLayerBegin    = modvmcompute.NewProc("ImportLayerBegin")
-	procImportLayerNext     = modvmcompute.NewProc("ImportLayerNext")
-	procImportLayerWrite    = modvmcompute.NewProc("ImportLayerWrite")
-	procImportLayerEnd      = modvmcompute.NewProc("ImportLayerEnd")
-	procExportLayerBegin    = modvmcompute.NewProc("ExportLayerBegin")
-	procExportLayerNext     = modvmcompute.NewProc("ExportLayerNext")
-	procExportLayerRead     = modvmcompute.NewProc("ExportLayerRead")
-	procExportLayerEnd      = modvmcompute.NewProc("ExportLayerEnd")
 	procGrantVmAccess       = modvmcompute.NewProc("GrantVmAccess")
 )
 
@@ -84,7 +74,10 @@ func _activateLayer(info *driverInfo, id *uint16) (hr error) {
 	}
 	r0, _, _ := syscall.Syscall(procActivateLayer.Addr(), 2, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -113,7 +106,10 @@ func _copyLayer(info *driverInfo, srcId *uint16, dstId *uint16, descriptors []WC
 	}
 	r0, _, _ := syscall.Syscall6(procCopyLayer.Addr(), 5, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(srcId)), uintptr(unsafe.Pointer(dstId)), uintptr(unsafe.Pointer(_p2)), uintptr(len(descriptors)), 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -138,7 +134,10 @@ func _createLayer(info *driverInfo, id *uint16, parent *uint16) (hr error) {
 	}
 	r0, _, _ := syscall.Syscall(procCreateLayer.Addr(), 3, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), uintptr(unsafe.Pointer(parent)))
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -162,7 +161,10 @@ func _createSandboxLayer(info *driverInfo, id *uint16, parent uintptr, descripto
 	}
 	r0, _, _ := syscall.Syscall6(procCreateSandboxLayer.Addr(), 5, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), uintptr(parent), uintptr(unsafe.Pointer(_p1)), uintptr(len(descriptors)), 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -182,7 +184,10 @@ func _expandSandboxSize(info *driverInfo, id *uint16, size uint64) (hr error) {
 	}
 	r0, _, _ := syscall.Syscall(procExpandSandboxSize.Addr(), 3, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), uintptr(size))
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -202,7 +207,10 @@ func _deactivateLayer(info *driverInfo, id *uint16) (hr error) {
 	}
 	r0, _, _ := syscall.Syscall(procDeactivateLayer.Addr(), 2, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -222,7 +230,10 @@ func _destroyLayer(info *driverInfo, id *uint16) (hr error) {
 	}
 	r0, _, _ := syscall.Syscall(procDestroyLayer.Addr(), 2, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -251,7 +262,10 @@ func _exportLayer(info *driverInfo, id *uint16, path *uint16, descriptors []WC_L
 	}
 	r0, _, _ := syscall.Syscall6(procExportLayer.Addr(), 5, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), uintptr(unsafe.Pointer(path)), uintptr(unsafe.Pointer(_p2)), uintptr(len(descriptors)), 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -271,7 +285,10 @@ func _getLayerMountPath(info *driverInfo, id *uint16, length *uintptr, buffer *u
 	}
 	r0, _, _ := syscall.Syscall6(procGetLayerMountPath.Addr(), 4, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), uintptr(unsafe.Pointer(length)), uintptr(unsafe.Pointer(buffer)), 0, 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -282,7 +299,10 @@ func getBaseImages(buffer **uint16) (hr error) {
 	}
 	r0, _, _ := syscall.Syscall(procGetBaseImages.Addr(), 1, uintptr(unsafe.Pointer(buffer)), 0, 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -311,7 +331,10 @@ func _importLayer(info *driverInfo, id *uint16, path *uint16, descriptors []WC_L
 	}
 	r0, _, _ := syscall.Syscall6(procImportLayer.Addr(), 5, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), uintptr(unsafe.Pointer(path)), uintptr(unsafe.Pointer(_p2)), uintptr(len(descriptors)), 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -331,7 +354,10 @@ func _layerExists(info *driverInfo, id *uint16, exists *uint32) (hr error) {
 	}
 	r0, _, _ := syscall.Syscall(procLayerExists.Addr(), 3, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), uintptr(unsafe.Pointer(exists)))
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -351,7 +377,10 @@ func _nameToGuid(name *uint16, guid *_guid) (hr error) {
 	}
 	r0, _, _ := syscall.Syscall(procNameToGuid.Addr(), 2, uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(guid)), 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -375,7 +404,10 @@ func _prepareLayer(info *driverInfo, id *uint16, descriptors []WC_LAYER_DESCRIPT
 	}
 	r0, _, _ := syscall.Syscall6(procPrepareLayer.Addr(), 4, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), uintptr(unsafe.Pointer(_p1)), uintptr(len(descriptors)), 0, 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -395,7 +427,10 @@ func _unprepareLayer(info *driverInfo, id *uint16) (hr error) {
 	}
 	r0, _, _ := syscall.Syscall(procUnprepareLayer.Addr(), 2, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -415,7 +450,10 @@ func _processBaseImage(path *uint16) (hr error) {
 	}
 	r0, _, _ := syscall.Syscall(procProcessBaseImage.Addr(), 1, uintptr(unsafe.Pointer(path)), 0, 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -435,138 +473,10 @@ func _processUtilityImage(path *uint16) (hr error) {
 	}
 	r0, _, _ := syscall.Syscall(procProcessUtilityImage.Addr(), 1, uintptr(unsafe.Pointer(path)), 0, 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
-	}
-	return
-}
-
-func importLayerBegin(info *driverInfo, id string, descriptors []WC_LAYER_DESCRIPTOR, context *uintptr) (hr error) {
-	var _p0 *uint16
-	_p0, hr = syscall.UTF16PtrFromString(id)
-	if hr != nil {
-		return
-	}
-	return _importLayerBegin(info, _p0, descriptors, context)
-}
-
-func _importLayerBegin(info *driverInfo, id *uint16, descriptors []WC_LAYER_DESCRIPTOR, context *uintptr) (hr error) {
-	var _p1 *WC_LAYER_DESCRIPTOR
-	if len(descriptors) > 0 {
-		_p1 = &descriptors[0]
-	}
-	if hr = procImportLayerBegin.Find(); hr != nil {
-		return
-	}
-	r0, _, _ := syscall.Syscall6(procImportLayerBegin.Addr(), 5, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), uintptr(unsafe.Pointer(_p1)), uintptr(len(descriptors)), uintptr(unsafe.Pointer(context)), 0)
-	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
-	}
-	return
-}
-
-func importLayerNext(context uintptr, fileName string, fileInfo *winio.FileBasicInfo) (hr error) {
-	var _p0 *uint16
-	_p0, hr = syscall.UTF16PtrFromString(fileName)
-	if hr != nil {
-		return
-	}
-	return _importLayerNext(context, _p0, fileInfo)
-}
-
-func _importLayerNext(context uintptr, fileName *uint16, fileInfo *winio.FileBasicInfo) (hr error) {
-	if hr = procImportLayerNext.Find(); hr != nil {
-		return
-	}
-	r0, _, _ := syscall.Syscall(procImportLayerNext.Addr(), 3, uintptr(context), uintptr(unsafe.Pointer(fileName)), uintptr(unsafe.Pointer(fileInfo)))
-	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
-	}
-	return
-}
-
-func importLayerWrite(context uintptr, buffer []byte) (hr error) {
-	var _p0 *byte
-	if len(buffer) > 0 {
-		_p0 = &buffer[0]
-	}
-	if hr = procImportLayerWrite.Find(); hr != nil {
-		return
-	}
-	r0, _, _ := syscall.Syscall(procImportLayerWrite.Addr(), 3, uintptr(context), uintptr(unsafe.Pointer(_p0)), uintptr(len(buffer)))
-	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
-	}
-	return
-}
-
-func importLayerEnd(context uintptr) (hr error) {
-	if hr = procImportLayerEnd.Find(); hr != nil {
-		return
-	}
-	r0, _, _ := syscall.Syscall(procImportLayerEnd.Addr(), 1, uintptr(context), 0, 0)
-	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
-	}
-	return
-}
-
-func exportLayerBegin(info *driverInfo, id string, descriptors []WC_LAYER_DESCRIPTOR, context *uintptr) (hr error) {
-	var _p0 *uint16
-	_p0, hr = syscall.UTF16PtrFromString(id)
-	if hr != nil {
-		return
-	}
-	return _exportLayerBegin(info, _p0, descriptors, context)
-}
-
-func _exportLayerBegin(info *driverInfo, id *uint16, descriptors []WC_LAYER_DESCRIPTOR, context *uintptr) (hr error) {
-	var _p1 *WC_LAYER_DESCRIPTOR
-	if len(descriptors) > 0 {
-		_p1 = &descriptors[0]
-	}
-	if hr = procExportLayerBegin.Find(); hr != nil {
-		return
-	}
-	r0, _, _ := syscall.Syscall6(procExportLayerBegin.Addr(), 5, uintptr(unsafe.Pointer(info)), uintptr(unsafe.Pointer(id)), uintptr(unsafe.Pointer(_p1)), uintptr(len(descriptors)), uintptr(unsafe.Pointer(context)), 0)
-	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
-	}
-	return
-}
-
-func exportLayerNext(context uintptr, fileName **uint16, fileInfo *winio.FileBasicInfo, fileSize *int64, deleted *uint32) (hr error) {
-	if hr = procExportLayerNext.Find(); hr != nil {
-		return
-	}
-	r0, _, _ := syscall.Syscall6(procExportLayerNext.Addr(), 5, uintptr(context), uintptr(unsafe.Pointer(fileName)), uintptr(unsafe.Pointer(fileInfo)), uintptr(unsafe.Pointer(fileSize)), uintptr(unsafe.Pointer(deleted)), 0)
-	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
-	}
-	return
-}
-
-func exportLayerRead(context uintptr, buffer []byte, bytesRead *uint32) (hr error) {
-	var _p0 *byte
-	if len(buffer) > 0 {
-		_p0 = &buffer[0]
-	}
-	if hr = procExportLayerRead.Find(); hr != nil {
-		return
-	}
-	r0, _, _ := syscall.Syscall6(procExportLayerRead.Addr(), 4, uintptr(context), uintptr(unsafe.Pointer(_p0)), uintptr(len(buffer)), uintptr(unsafe.Pointer(bytesRead)), 0, 0)
-	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
-	}
-	return
-}
-
-func exportLayerEnd(context uintptr) (hr error) {
-	if hr = procExportLayerEnd.Find(); hr != nil {
-		return
-	}
-	r0, _, _ := syscall.Syscall(procExportLayerEnd.Addr(), 1, uintptr(context), 0, 0)
-	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }
@@ -591,7 +501,10 @@ func _grantVmAccess(vmid *uint16, filepath *uint16) (hr error) {
 	}
 	r0, _, _ := syscall.Syscall(procGrantVmAccess.Addr(), 2, uintptr(unsafe.Pointer(vmid)), uintptr(unsafe.Pointer(filepath)), 0)
 	if int32(r0) < 0 {
-		hr = interop.Win32FromHresult(r0)
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
 	}
 	return
 }