From aaada9057d4b00485cbbded859e2d5400343caba Mon Sep 17 00:00:00 2001
From: Vincent Batts <vbatts@redhat.com>
Date: Thu, 30 Oct 2014 17:04:56 -0400
Subject: [PATCH] mount: move the MakePrivate to pkg/mount

The logic is unrelated to graphdriver.

Signed-off-by: Vincent Batts <vbatts@redhat.com>
---
 mount/sharedsubtree_linux.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 mount/sharedsubtree_linux.go

diff --git a/mount/sharedsubtree_linux.go b/mount/sharedsubtree_linux.go
new file mode 100644
index 0000000..566ebbd
--- /dev/null
+++ b/mount/sharedsubtree_linux.go
@@ -0,0 +1,18 @@
+// +build linux
+
+package mount
+
+func MakePrivate(mountPoint string) error {
+	mounted, err := Mounted(mountPoint)
+	if err != nil {
+		return err
+	}
+
+	if !mounted {
+		if err := Mount(mountPoint, mountPoint, "none", "bind,rw"); err != nil {
+			return err
+		}
+	}
+
+	return ForceMount("", mountPoint, "none", "private")
+}