EXPORT_SYMBOL(blk_mq_start_request); staticvoid__blk_mq_requeue_request(structrequest*rq) { structrequest_queue*q=rq->q; trace_block_rq_requeue(q,rq); clear_bit(REQ_ATOM_STARTED,&rq->atomic_flags); if(q->dma_drain_size&&blk_rq_bytes(rq)) ...