#define LL_IOC_GETFACL _IOWR('f', 167, struct rmtacl_ioctl_data *)
#define LL_IOC_SETFACL _IOWR('f', 168, struct rmtacl_ioctl_data *)
+#define LL_IOC_LLOOP_ATTACH _IOWR('f', 169, long)
+#define LL_IOC_LLOOP_DETACH _IOWR('f', 170, long)
+#define LL_IOC_LLOOP_INFO _IOWR('f', 171, long)
+#define LL_IOC_LLOOP_DETACH_BYDEV _IOWR('f', 172, long)
+
#define LL_STATFS_MDC 1
#define LL_STATFS_LOV 2