sbitmap_queue_wake_up
sbitmap_queue_wake_up(bt_prev, 1);
void sbitmap_queue_wake_up(struct sbitmap_queue *sbq, int nr);
EXPORT_SYMBOL_GPL(sbitmap_queue_wake_up);
sbitmap_queue_wake_up(sbq, nr_tags);
sbitmap_queue_wake_up(sbq, 1);