260 	int			flush_color;	/* L: flushing color */  member
305 	int			flush_color;	/* WQ: flush color waiting for */  member
341 	int			flush_color;	/* WQ: current flush color */  member
1999 	if (likely(pwq->flush_color != color))  in pwq_dec_nr_in_flight()
2007 	pwq->flush_color = -1;  in pwq_dec_nr_in_flight()
3845 				      int flush_color, int work_color)  in flush_workqueue_prep_pwqs()  argument
3851 	if (flush_color >= 0) {  in flush_workqueue_prep_pwqs()
3872 		if (flush_color >= 0) {  in flush_workqueue_prep_pwqs()
3873 			WARN_ON_ONCE(pwq->flush_color != -1);  in flush_workqueue_prep_pwqs()
3875 			if (pwq->nr_in_flight[flush_color]) {  in flush_workqueue_prep_pwqs()
3876 				pwq->flush_color = flush_color;  in flush_workqueue_prep_pwqs()
3892 	if (flush_color >= 0 && atomic_dec_and_test(&wq->nr_pwqs_to_flush))  in flush_workqueue_prep_pwqs()
3941 		.flush_color = -1,  in __flush_workqueue()
3958 	if (next_color != wq->flush_color) {  in __flush_workqueue()
3965 		this_flusher.flush_color = wq->work_color;  in __flush_workqueue()
3970 			WARN_ON_ONCE(wq->flush_color != this_flusher.flush_color);  in __flush_workqueue()
3974 			if (!flush_workqueue_prep_pwqs(wq, wq->flush_color,  in __flush_workqueue()
3977 				wq->flush_color = next_color;  in __flush_workqueue()
3983 			WARN_ON_ONCE(wq->flush_color == this_flusher.flush_color);  in __flush_workqueue()
4020 	WARN_ON_ONCE(wq->flush_color != this_flusher.flush_color);  in __flush_workqueue()
4027 			if (next->flush_color != wq->flush_color)  in __flush_workqueue()
4034 			     wq->flush_color != work_next_color(wq->work_color));  in __flush_workqueue()
4037 		wq->flush_color = work_next_color(wq->flush_color);  in __flush_workqueue()
4048 				tmp->flush_color = wq->work_color;  in __flush_workqueue()
4058 			WARN_ON_ONCE(wq->flush_color != wq->work_color);  in __flush_workqueue()
4066 		WARN_ON_ONCE(wq->flush_color == wq->work_color);  in __flush_workqueue()
4067 		WARN_ON_ONCE(wq->flush_color != next->flush_color);  in __flush_workqueue()
4072 		if (flush_workqueue_prep_pwqs(wq, wq->flush_color, -1))  in __flush_workqueue()
5127 	pwq->flush_color = -1;  in init_pwq()