673 unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)  in vb2_poll()  argument
675 	struct video_device *vfd = video_devdata(file);  in vb2_poll()
680 		struct v4l2_fh *fh = file->private_data;  in vb2_poll()
685 			poll_wait(file, &fh->wait, wait);  in vb2_poll()
688 	return res | vb2_core_poll(q, file, wait);  in vb2_poll()
701 static inline bool vb2_queue_is_busy(struct video_device *vdev, struct file *file)  in vb2_queue_is_busy()  argument
703 	return vdev->queue->owner && vdev->queue->owner != file->private_data;  in vb2_queue_is_busy()
708 int vb2_ioctl_reqbufs(struct file *file, void *priv,  in vb2_ioctl_reqbufs()  argument
711 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_reqbufs()
716 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_reqbufs()
722 		vdev->queue->owner = p->count ? file->private_data : NULL;  in vb2_ioctl_reqbufs()
727 int vb2_ioctl_create_bufs(struct file *file, void *priv,  in vb2_ioctl_create_bufs()  argument
730 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_create_bufs()
743 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_create_bufs()
748 		vdev->queue->owner = file->private_data;  in vb2_ioctl_create_bufs()
753 int vb2_ioctl_prepare_buf(struct file *file, void *priv,  in vb2_ioctl_prepare_buf()  argument
756 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_prepare_buf()
758 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_prepare_buf()
764 int vb2_ioctl_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)  in vb2_ioctl_querybuf()  argument
766 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_querybuf()
773 int vb2_ioctl_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)  in vb2_ioctl_qbuf()  argument
775 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_qbuf()
777 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_qbuf()
783 int vb2_ioctl_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)  in vb2_ioctl_dqbuf()  argument
785 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_dqbuf()
787 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_dqbuf()
789 	return vb2_dqbuf(vdev->queue, p, file->f_flags & O_NONBLOCK);  in vb2_ioctl_dqbuf()
793 int vb2_ioctl_streamon(struct file *file, void *priv, enum v4l2_buf_type i)  in vb2_ioctl_streamon()  argument
795 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_streamon()
797 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_streamon()
803 int vb2_ioctl_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)  in vb2_ioctl_streamoff()  argument
805 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_streamoff()
807 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_streamoff()
813 int vb2_ioctl_expbuf(struct file *file, void *priv, struct v4l2_exportbuffer *p)  in vb2_ioctl_expbuf()  argument
815 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_expbuf()
817 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_expbuf()
825 int vb2_fop_mmap(struct file *file, struct vm_area_struct *vma)  in vb2_fop_mmap()  argument
827 	struct video_device *vdev = video_devdata(file);  in vb2_fop_mmap()
833 int _vb2_fop_release(struct file *file, struct mutex *lock)  in _vb2_fop_release()  argument
835 	struct video_device *vdev = video_devdata(file);  in _vb2_fop_release()
839 	if (file->private_data == vdev->queue->owner) {  in _vb2_fop_release()
845 	return v4l2_fh_release(file);  in _vb2_fop_release()
849 int vb2_fop_release(struct file *file)  in vb2_fop_release()  argument
851 	struct video_device *vdev = video_devdata(file);  in vb2_fop_release()
854 	return _vb2_fop_release(file, lock);  in vb2_fop_release()
858 ssize_t vb2_fop_write(struct file *file, const char __user *buf,  in vb2_fop_write()  argument
861 	struct video_device *vdev = video_devdata(file);  in vb2_fop_write()
869 	if (vb2_queue_is_busy(vdev, file))  in vb2_fop_write()
872 		       file->f_flags & O_NONBLOCK);  in vb2_fop_write()
874 		vdev->queue->owner = file->private_data;  in vb2_fop_write()
882 ssize_t vb2_fop_read(struct file *file, char __user *buf,  in vb2_fop_read()  argument
885 	struct video_device *vdev = video_devdata(file);  in vb2_fop_read()
893 	if (vb2_queue_is_busy(vdev, file))  in vb2_fop_read()
896 		       file->f_flags & O_NONBLOCK);  in vb2_fop_read()
898 		vdev->queue->owner = file->private_data;  in vb2_fop_read()
906 unsigned int vb2_fop_poll(struct file *file, poll_table *wait)  in vb2_fop_poll()  argument
908 	struct video_device *vdev = video_devdata(file);  in vb2_fop_poll()
925 	res = vb2_poll(vdev->queue, file, wait);  in vb2_fop_poll()
929 		q->owner = file->private_data;  in vb2_fop_poll()
937 unsigned long vb2_fop_get_unmapped_area(struct file *file, unsigned long addr,  in vb2_fop_get_unmapped_area()  argument
940 	struct video_device *vdev = video_devdata(file);  in vb2_fop_get_unmapped_area()