+int ofd_precreate_batch(struct ofd_device *ofd, int batch);
+
+/* ofd_io.c */
+int ofd_preprw(const struct lu_env *env,int cmd, struct obd_export *exp,
+ struct obdo *oa, int objcount, struct obd_ioobj *obj,
+ struct niobuf_remote *rnb, int *nr_local,
+ struct niobuf_local *lnb, struct obd_trans_info *oti,
+ struct lustre_capa *capa);
+int ofd_commitrw(const struct lu_env *env, int cmd, struct obd_export *exp,
+ struct obdo *oa, int objcount, struct obd_ioobj *obj,
+ struct niobuf_remote *rnb, int npages,
+ struct niobuf_local *lnb, struct obd_trans_info *oti,
+ int old_rc);