void blk_unplug_work(struct work_struct *work) { struct request_queue *q = container_of(work, struct request_queue, unplug_work);
blk_add_trace_pdu_int(q, BLK_TA_UNPLUG_IO, NULL, q->rq.count[READ] + q->rq.count[WRITE]);
q->unplug_fn(q);
}