value = (now >= rq->io_start_time_ns) ? now - rq->io_start_time_ns : 0;
- if (req_op(rq) == REQ_OP_READ || req_op(rq) == REQ_OP_WRITE)
- blk_throtl_stat_add(rq, value);
-
rcu_read_lock();
cpu = get_cpu();
list_for_each_entry_rcu(cb, &q->stats->callbacks, list) {