if (ub_bd_rq_fn_1(sc, rq) != 0) { 
if (ub_bd_rq_fn_1(lun, rq) != 0) { 
static void ub_bd_rq_fn(request_queue_t *q){	struct ub_dev *sc = q->queuedata;	struct request *rq;	while ((rq = elv_next_request(q)) != NULL) {		if (ub_bd_rq_fn_1(sc, rq) != 0) {			blk_stop_queue(q);			break;		}	}}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/f4800078d9ed4bd20b1b27f56e7b68cfa0d73038/ub.c/clean/drivers/block/ub.c