281 	struct dma_buf *dmabuf = container_of(dcb->poll, struct dma_buf, poll);  in dma_buf_poll_cb()
284 	spin_lock_irqsave(&dcb->poll->lock, flags);  in dma_buf_poll_cb()
285 	wake_up_locked_poll(dcb->poll, dcb->active);  in dma_buf_poll_cb()
287 	spin_unlock_irqrestore(&dcb->poll->lock, flags);  in dma_buf_poll_cb()
312 static __poll_t dma_buf_poll(struct file *file, poll_table *poll)  in dma_buf_poll()  argument
324 	poll_wait(file, &dmabuf->poll, poll);  in dma_buf_poll()
326 	events = poll_requested_events(poll) & (EPOLLIN | EPOLLOUT);  in dma_buf_poll()
336 		spin_lock_irq(&dmabuf->poll.lock);  in dma_buf_poll()
341 		spin_unlock_irq(&dmabuf->poll.lock);  in dma_buf_poll()
359 		spin_lock_irq(&dmabuf->poll.lock);  in dma_buf_poll()
364 		spin_unlock_irq(&dmabuf->poll.lock);  in dma_buf_poll()
588 	.poll		= dma_buf_poll,
726 	init_waitqueue_head(&dmabuf->poll);  in dma_buf_export()
727 	dmabuf->cb_in.poll = dmabuf->cb_out.poll = &dmabuf->poll;  in dma_buf_export()