[PATCH 08/10] workqueue: assign overflowed flushers's flush color when queued

wq->work_color is unchanged between overflowed flusher queued on ->flusher_overflow and requeued on ->flusher_queue. So we can assign overflowed flushers's flush color when they are queued on ->flusher_overflow. This patch makes the flusher's flush color more clear: flusher's flush

[PATCH 08/10] workqueue: assign overflowed flushers's flush color when queued

wq-work_color is unchanged between overflowed flusher queued on -flusher_overflow and requeued on -flusher_queue. So we can assign overflowed flushers's flush color when they are queued on -flusher_overflow. This patch makes the flusher's flush color more clear: flusher's flush color is