#define LUSTRE_Q_FINVALIDATE 0x80000c /* invalidate filter quota data */
#define UGQUOTA 2 /* set both USRQUOTA and GRPQUOTA */
+#define IMMQUOTA 0x4 /* set immutable quota flag, cannot be turned on/off
+ * on-fly. temporary used by SOM */
struct if_quotacheck {
char obd_type[16];