+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_BLOCK, LTT_EVENT_REQUEST_ISSUE,
+ LTT_FIELD_MAJOR, LTT_FIELD_MINOR, LTT_FIELD_OPERATION,
+ before_bdev_event_hook,
+ events_request,
+ &g_array_index(hooks, LttvTraceHook, before_hn++));
+ if(ret) before_hn--;
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_BLOCK, LTT_EVENT_REQUEST_COMPLETE,
+ LTT_FIELD_MAJOR, LTT_FIELD_MINOR, LTT_FIELD_OPERATION,
+ before_bdev_event_hook,
+ events_request,
+ &g_array_index(hooks, LttvTraceHook, before_hn++));
+ if(ret) before_hn--;
+