fs: more vss related unexports

internal/fs/fs_local_vss.go

@@ -44,8 +44,8 @@ type ErrorHandler func(item string, err error)
 // MessageHandler is used to report errors/messages via callbacks.
 type MessageHandler func(msg string, args ...interface{})
 
-// VolumeFilter is used to filter volumes by their mount point or GUID path.
-type VolumeFilter func(volume string) bool
+// volumeFilter is used to filter volumes by their mount point or GUID path.
+type volumeFilter func(volume string) bool
 
 // LocalVss is a wrapper around the local file system which uses windows volume
 // shadow copy service (VSS) in a transparent way.
@@ -185,7 +185,7 @@ func (fs *LocalVss) snapshotPath(path string) string {
 			} else {
 				fs.msgMessage("creating VSS snapshot for [%s]\n", vssVolume)
 
-				var includeVolume VolumeFilter
+				var includeVolume volumeFilter
 				if !fs.excludeAllMountPoints {
 					includeVolume = func(volume string) bool {
 						return fs.isMountPointIncluded(volume)

internal/fs/vss.go

@@ -8,23 +8,23 @@ import (
 	"github.com/restic/restic/internal/errors"
 )
 
-// MountPoint is a dummy for non-windows platforms to let client code compile.
-type MountPoint struct {
+// mountPoint is a dummy for non-windows platforms to let client code compile.
+type mountPoint struct {
 }
 
 // IsSnapshotted is true if this mount point was snapshotted successfully.
-func (p *MountPoint) IsSnapshotted() bool {
+func (p *mountPoint) IsSnapshotted() bool {
 	return false
 }
 
 // GetSnapshotDeviceObject returns root path to access the snapshot files and folders.
-func (p *MountPoint) GetSnapshotDeviceObject() string {
+func (p *mountPoint) GetSnapshotDeviceObject() string {
 	return ""
 }
 
 // vssSnapshot is a dummy for non-windows platforms to let client code compile.
 type vssSnapshot struct {
-	mountPointInfo map[string]MountPoint
+	mountPointInfo map[string]mountPoint
 }
 
 // HasSufficientPrivilegesForVSS returns nil if the user is allowed to use VSS.
@@ -41,7 +41,7 @@ func getVolumeNameForVolumeMountPoint(mountPoint string) (string, error) {
 // newVssSnapshot creates a new vss snapshot. If creating the snapshots doesn't
 // finish within the timeout an error is returned.
 func newVssSnapshot(_ string,
-	_ string, _ time.Duration, _ VolumeFilter, _ ErrorHandler) (vssSnapshot, error) {
+	_ string, _ time.Duration, _ volumeFilter, _ ErrorHandler) (vssSnapshot, error) {
 	return vssSnapshot{}, errors.New("VSS snapshots are only supported on windows")
 }
 

internal/fs/vss_windows.go

@@ -886,7 +886,7 @@ func getVolumeNameForVolumeMountPoint(mountPoint string) (string, error) {
 // newVssSnapshot creates a new vss snapshot. If creating the snapshots doesn't
 // finish within the timeout an error is returned.
 func newVssSnapshot(provider string,
-	volume string, timeout time.Duration, filter VolumeFilter, msgError ErrorHandler) (vssSnapshot, error) {
+	volume string, timeout time.Duration, filter volumeFilter, msgError ErrorHandler) (vssSnapshot, error) {
 	is64Bit, err := isRunningOn64BitWindows()
 	if err != nil {
 		return vssSnapshot{}, newVssTextError(fmt.Sprintf(