From 2f67a62b5b48862948b1ce92aeffbb83c3707ee0 Mon Sep 17 00:00:00 2001
From: unclejack <unclejacksons@gmail.com>
Date: Tue, 4 Jun 2013 21:30:47 +0300
Subject: [PATCH] run auplink before unmounting aufs

---
 mount.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mount.go b/mount.go
index bb1a40eddb..541c29c13a 100644
--- a/mount.go
+++ b/mount.go
@@ -2,13 +2,18 @@ package docker
 
 import (
 	"fmt"
+	"github.com/dotcloud/docker/utils"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"syscall"
 	"time"
 )
 
 func Unmount(target string) error {
+	if err := exec.Command("auplink", target, "flush").Run(); err != nil {
+		utils.Debugf("[warning]: couldn't run auplink before unmount: %s", err)
+	}
 	if err := syscall.Unmount(target, 0); err != nil {
 		return err
 	}