203 	int			flush_color;	/* L: flushing color */  member
228 	int			flush_color;	/* WQ: flush color waiting for */  member
244 	int			flush_color;	/* WQ: current flush color */  member
1185 	if (likely(pwq->flush_color != color))  in pwq_dec_nr_in_flight()
1193 	pwq->flush_color = -1;  in pwq_dec_nr_in_flight()
2725 				      int flush_color, int work_color)  in flush_workqueue_prep_pwqs()  argument
2730 	if (flush_color >= 0) {  in flush_workqueue_prep_pwqs()
2740 		if (flush_color >= 0) {  in flush_workqueue_prep_pwqs()
2741 			WARN_ON_ONCE(pwq->flush_color != -1);  in flush_workqueue_prep_pwqs()
2743 			if (pwq->nr_in_flight[flush_color]) {  in flush_workqueue_prep_pwqs()
2744 				pwq->flush_color = flush_color;  in flush_workqueue_prep_pwqs()
2758 	if (flush_color >= 0 && atomic_dec_and_test(&wq->nr_pwqs_to_flush))  in flush_workqueue_prep_pwqs()
2775 		.flush_color = -1,  in flush_workqueue()
2793 	if (next_color != wq->flush_color) {  in flush_workqueue()
2800 		this_flusher.flush_color = wq->work_color;  in flush_workqueue()
2805 			WARN_ON_ONCE(wq->flush_color != this_flusher.flush_color);  in flush_workqueue()
2809 			if (!flush_workqueue_prep_pwqs(wq, wq->flush_color,  in flush_workqueue()
2812 				wq->flush_color = next_color;  in flush_workqueue()
2818 			WARN_ON_ONCE(wq->flush_color == this_flusher.flush_color);  in flush_workqueue()
2855 	WARN_ON_ONCE(wq->flush_color != this_flusher.flush_color);  in flush_workqueue()
2862 			if (next->flush_color != wq->flush_color)  in flush_workqueue()
2869 			     wq->flush_color != work_next_color(wq->work_color));  in flush_workqueue()
2872 		wq->flush_color = work_next_color(wq->flush_color);  in flush_workqueue()
2883 				tmp->flush_color = wq->work_color;  in flush_workqueue()
2893 			WARN_ON_ONCE(wq->flush_color != wq->work_color);  in flush_workqueue()
2901 		WARN_ON_ONCE(wq->flush_color == wq->work_color);  in flush_workqueue()
2902 		WARN_ON_ONCE(wq->flush_color != next->flush_color);  in flush_workqueue()
2907 		if (flush_workqueue_prep_pwqs(wq, wq->flush_color, -1))  in flush_workqueue()
3759 	pwq->flush_color = -1;  in init_pwq()