overlay2: remove unused cdMountFrom() helper function
This function was added in but never used
@@ -11,7 +11,6 @@ import (
"github.com/docker/docker/daemon/graphdriver/graphtest"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/reexec"
- "golang.org/x/sys/unix"
)
func init() {
@@ -23,17 +22,6 @@ func init() {
reexec.Init()
}
-func cdMountFrom(dir, device, target, mType, label string) error {
- wd, err := os.Getwd()
- if err != nil {
- return err
- }
- os.Chdir(dir)
- defer os.Chdir(wd)
-
- return unix.Mount(device, target, mType, 0, label)
-}
-
func skipIfNaive(t *testing.T) {
td, err := ioutil.TempDir("", "naive-check-")
if err != nil {
