vfs: Lock in place mounts from more privileged users

[people/ms/linux.git] / include / linux / mount.h

diff --git a/include/linux/mount.h b/include/linux/mount.h
index 73005f9957ead2b95adb4107329434afbbf482a7..38cd98f112a0e4ccb62e32d94a2d1065ce76b2dd 100644 (file)
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -48,6 +48,7 @@ struct mnt_namespace;
 #define MNT_INTERNAL   0x4000
 
 #define MNT_LOCK_READONLY      0x400000
+#define MNT_LOCKED             0x800000
 
 struct vfsmount {
        struct dentry *mnt_root;        /* root of the mounted tree */