202 	int			flush_color;	/* L: flushing color */  member
227 	int			flush_color;	/* WQ: flush color waiting for */  member
243 	int			flush_color;	/* WQ: current flush color */  member
1170 	if (likely(pwq->flush_color != color))  in pwq_dec_nr_in_flight()
1178 	pwq->flush_color = -1;  in pwq_dec_nr_in_flight()
2471 				      int flush_color, int work_color)  in flush_workqueue_prep_pwqs()  argument
2476 	if (flush_color >= 0) {  in flush_workqueue_prep_pwqs()
2486 		if (flush_color >= 0) {  in flush_workqueue_prep_pwqs()
2487 			WARN_ON_ONCE(pwq->flush_color != -1);  in flush_workqueue_prep_pwqs()
2489 			if (pwq->nr_in_flight[flush_color]) {  in flush_workqueue_prep_pwqs()
2490 				pwq->flush_color = flush_color;  in flush_workqueue_prep_pwqs()
2504 	if (flush_color >= 0 && atomic_dec_and_test(&wq->nr_pwqs_to_flush))  in flush_workqueue_prep_pwqs()
2521 		.flush_color = -1,  in flush_workqueue()
2536 	if (next_color != wq->flush_color) {  in flush_workqueue()
2543 		this_flusher.flush_color = wq->work_color;  in flush_workqueue()
2548 			WARN_ON_ONCE(wq->flush_color != this_flusher.flush_color);  in flush_workqueue()
2552 			if (!flush_workqueue_prep_pwqs(wq, wq->flush_color,  in flush_workqueue()
2555 				wq->flush_color = next_color;  in flush_workqueue()
2561 			WARN_ON_ONCE(wq->flush_color == this_flusher.flush_color);  in flush_workqueue()
2596 	WARN_ON_ONCE(wq->flush_color != this_flusher.flush_color);  in flush_workqueue()
2603 			if (next->flush_color != wq->flush_color)  in flush_workqueue()
2610 			     wq->flush_color != work_next_color(wq->work_color));  in flush_workqueue()
2613 		wq->flush_color = work_next_color(wq->flush_color);  in flush_workqueue()
2624 				tmp->flush_color = wq->work_color;  in flush_workqueue()
2634 			WARN_ON_ONCE(wq->flush_color != wq->work_color);  in flush_workqueue()
2642 		WARN_ON_ONCE(wq->flush_color == wq->work_color);  in flush_workqueue()
2643 		WARN_ON_ONCE(wq->flush_color != next->flush_color);  in flush_workqueue()
2648 		if (flush_workqueue_prep_pwqs(wq, wq->flush_color, -1))  in flush_workqueue()
3427 	pwq->flush_color = -1;  in init_pwq()