+#define SMB_MOUNT_UID 0x0020 /* Use user specified uid */
+#define SMB_MOUNT_GID 0x0040 /* Use user specified gid */
+#define SMB_MOUNT_FMODE 0x0080 /* Use user specified file mode */
+#define SMB_MOUNT_DMODE 0x0100 /* Use user specified dir mode */