-#define FSDB_LOG_EMPTY 0x0001 /* missing client log */
-#define FSDB_OLDLOG14 0x0002 /* log starts in old (1.4) style */
+
+#define FSDB_LOG_EMPTY (0) /* missing client log */
+#define FSDB_OLDLOG14 (1) /* log starts in old (1.4) style */
+#define FSDB_REVOKING_LOCK (2) /* DLM lock is being revoked */
+#define FSDB_MGS_SELF (3) /* for '_mgs', used by sptlrpc */
+#define FSDB_OSCNAME18 (4) /* old 1.8 style OSC naming */
+#define FSDB_UDESC (5) /* sptlrpc user desc, will be obsolete */