855 	struct background_tracker *bg_work;  member
1156 	return (nr_free + btracker_nr_demotions_queued(mq->bg_work)) >=  in free_target_met()
1191 		r = btracker_queue(mq->bg_work, &work, NULL);  in queue_writeback()
1221 	r = btracker_queue(mq->bg_work, &work, NULL);  in queue_demotion()
1248 	if (btracker_promotion_already_present(mq->bg_work, oblock))  in queue_promotion()
1261 	r = btracker_queue(mq->bg_work, &work, workp);  in queue_promotion()
1356 	btracker_destroy(mq->bg_work);  in smq_destroy()
1444 	r = btracker_issue(mq->bg_work, result);  in smq_get_background_work()
1448 			r = btracker_issue(mq->bg_work, result);  in smq_get_background_work()
1503 	btracker_complete(mq->bg_work, work);  in __complete_background_work()
1807 	mq->bg_work = btracker_create(4096); /* FIXME: hard coded value */  in __smq_create()
1808 	if (!mq->bg_work)  in __smq_create()