+int mds_fidmap_init(struct obd_device *obd, int size);
+int mds_fidmap_cleanup(struct obd_device *obd);
+
+struct fidmap_entry *
+mds_fidmap_find(struct obd_device *obd, __u64 fid);
+
+struct lustre_id *
+mds_fidmap_lookup(struct obd_device *obd,
+ struct lustre_id *id);
+
+void mds_fidmap_insert(struct obd_device *obd,
+ struct fidmap_entry *entry);
+
+void mds_fidmap_remove(struct obd_device *obd,
+ struct fidmap_entry *entry);
+
+int mds_fidmap_add(struct obd_device *obd,
+ struct lustre_id *id);
+
+void mds_fidmap_del(struct obd_device *obd,
+ struct lustre_id *id);
+