513 		atomic_set(&pd->iosched.attention, 1);  in pkt_bio_finished()
813 	spin_lock(&pd->iosched.lock);  in pkt_queue_bio()
815 		bio_list_add(&pd->iosched.read_queue, bio);  in pkt_queue_bio()
817 		bio_list_add(&pd->iosched.write_queue, bio);  in pkt_queue_bio()
818 	spin_unlock(&pd->iosched.lock);  in pkt_queue_bio()
820 	atomic_set(&pd->iosched.attention, 1);  in pkt_queue_bio()
843 	if (atomic_read(&pd->iosched.attention) == 0)  in pkt_iosched_process_queue()
845 	atomic_set(&pd->iosched.attention, 0);  in pkt_iosched_process_queue()
851 		spin_lock(&pd->iosched.lock);  in pkt_iosched_process_queue()
852 		reads_queued = !bio_list_empty(&pd->iosched.read_queue);  in pkt_iosched_process_queue()
853 		writes_queued = !bio_list_empty(&pd->iosched.write_queue);  in pkt_iosched_process_queue()
854 		spin_unlock(&pd->iosched.lock);  in pkt_iosched_process_queue()
859 		if (pd->iosched.writing) {  in pkt_iosched_process_queue()
861 			spin_lock(&pd->iosched.lock);  in pkt_iosched_process_queue()
862 			bio = bio_list_peek(&pd->iosched.write_queue);  in pkt_iosched_process_queue()
863 			spin_unlock(&pd->iosched.lock);  in pkt_iosched_process_queue()
865 				    pd->iosched.last_write))  in pkt_iosched_process_queue()
873 				pd->iosched.writing = 0;  in pkt_iosched_process_queue()
881 				pd->iosched.writing = 1;  in pkt_iosched_process_queue()
885 		spin_lock(&pd->iosched.lock);  in pkt_iosched_process_queue()
886 		if (pd->iosched.writing)  in pkt_iosched_process_queue()
887 			bio = bio_list_pop(&pd->iosched.write_queue);  in pkt_iosched_process_queue()
889 			bio = bio_list_pop(&pd->iosched.read_queue);  in pkt_iosched_process_queue()
890 		spin_unlock(&pd->iosched.lock);  in pkt_iosched_process_queue()
896 			pd->iosched.successive_reads +=  in pkt_iosched_process_queue()
899 			pd->iosched.successive_reads = 0;  in pkt_iosched_process_queue()
900 			pd->iosched.last_write = bio_end_sector(bio);  in pkt_iosched_process_queue()
902 		if (pd->iosched.successive_reads >= HI_SPEED_SWITCH) {  in pkt_iosched_process_queue()
1492 			if (atomic_read(&pd->iosched.attention) != 0)  in kcdrwd()
2773 	spin_lock_init(&pd->iosched.lock);  in pkt_setup_dev()
2774 	bio_list_init(&pd->iosched.read_queue);  in pkt_setup_dev()
2775 	bio_list_init(&pd->iosched.write_queue);  in pkt_setup_dev()