204 	int			flush_color;	/* L: flushing color */  member
246 	int			flush_color;	/* WQ: flush color waiting for */  member
262 	int			flush_color;	/* WQ: current flush color */  member
1203 	if (likely(pwq->flush_color != color))  in pwq_dec_nr_in_flight()
1211 	pwq->flush_color = -1;  in pwq_dec_nr_in_flight()
2759 				      int flush_color, int work_color)  in flush_workqueue_prep_pwqs()  argument
2764 	if (flush_color >= 0) {  in flush_workqueue_prep_pwqs()
2774 		if (flush_color >= 0) {  in flush_workqueue_prep_pwqs()
2775 			WARN_ON_ONCE(pwq->flush_color != -1);  in flush_workqueue_prep_pwqs()
2777 			if (pwq->nr_in_flight[flush_color]) {  in flush_workqueue_prep_pwqs()
2778 				pwq->flush_color = flush_color;  in flush_workqueue_prep_pwqs()
2792 	if (flush_color >= 0 && atomic_dec_and_test(&wq->nr_pwqs_to_flush))  in flush_workqueue_prep_pwqs()
2809 		.flush_color = -1,  in flush_workqueue()
2827 	if (next_color != wq->flush_color) {  in flush_workqueue()
2834 		this_flusher.flush_color = wq->work_color;  in flush_workqueue()
2839 			WARN_ON_ONCE(wq->flush_color != this_flusher.flush_color);  in flush_workqueue()
2843 			if (!flush_workqueue_prep_pwqs(wq, wq->flush_color,  in flush_workqueue()
2846 				wq->flush_color = next_color;  in flush_workqueue()
2852 			WARN_ON_ONCE(wq->flush_color == this_flusher.flush_color);  in flush_workqueue()
2889 	WARN_ON_ONCE(wq->flush_color != this_flusher.flush_color);  in flush_workqueue()
2896 			if (next->flush_color != wq->flush_color)  in flush_workqueue()
2903 			     wq->flush_color != work_next_color(wq->work_color));  in flush_workqueue()
2906 		wq->flush_color = work_next_color(wq->flush_color);  in flush_workqueue()
2917 				tmp->flush_color = wq->work_color;  in flush_workqueue()
2927 			WARN_ON_ONCE(wq->flush_color != wq->work_color);  in flush_workqueue()
2935 		WARN_ON_ONCE(wq->flush_color == wq->work_color);  in flush_workqueue()
2936 		WARN_ON_ONCE(wq->flush_color != next->flush_color);  in flush_workqueue()
2941 		if (flush_workqueue_prep_pwqs(wq, wq->flush_color, -1))  in flush_workqueue()
3806 	pwq->flush_color = -1;  in init_pwq()