Changli Gao <xiaosuo@xxxxxxxxx> wrote: > You are right. I made the wrong assumption. But we indeed need some > primitive to add wait_queue at the head of the wait_queue_head, and I > know epoll needs it, at least. > > fs/eventpoll.c: 1443. > wait.flags |= WQ_FLAG_EXCLUSIVE; > __add_wait_queue(&ep->wq, &wait); You can add at either end of the wait queue with __add_wait_queue() and __add_wait_queue_tail(). David -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
