+static inline int obd_register_page_removal_cb(struct obd_export *exp,
+ obd_page_removal_cb_t cb,
+ obd_pin_extent_cb pin_cb)
+{
+ int rc;
+ ENTRY;
+
+ OBD_CHECK_DT_OP(exp->exp_obd, register_page_removal_cb, 0);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, register_page_removal_cb);
+
+ rc = OBP(exp->exp_obd, register_page_removal_cb)(exp, cb, pin_cb);
+ RETURN(rc);
+}
+
+static inline int obd_unregister_page_removal_cb(struct obd_export *exp,
+ obd_page_removal_cb_t cb)
+{
+ int rc;
+ ENTRY;
+
+ OBD_CHECK_DT_OP(exp->exp_obd, unregister_page_removal_cb, 0);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_page_removal_cb);
+
+ rc = OBP(exp->exp_obd, unregister_page_removal_cb)(exp, cb);
+ RETURN(rc);
+}
+
+static inline int obd_register_lock_cancel_cb(struct obd_export *exp,
+ obd_lock_cancel_cb cb)
+{
+ int rc;
+ ENTRY;
+
+ OBD_CHECK_DT_OP(exp->exp_obd, register_lock_cancel_cb, 0);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, register_lock_cancel_cb);
+
+ rc = OBP(exp->exp_obd, register_lock_cancel_cb)(exp, cb);
+ RETURN(rc);
+}
+
+static inline int obd_unregister_lock_cancel_cb(struct obd_export *exp,
+ obd_lock_cancel_cb cb)
+{
+ int rc;
+ ENTRY;
+
+ OBD_CHECK_DT_OP(exp->exp_obd, unregister_lock_cancel_cb, 0);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_lock_cancel_cb);
+
+ rc = OBP(exp->exp_obd, unregister_lock_cancel_cb)(exp, cb);
+ RETURN(rc);
+}
+