703 static inline bool vb2_queue_is_busy(struct video_device *vdev, struct file *file)  in vb2_queue_is_busy()  argument
705 	return vdev->queue->owner && vdev->queue->owner != file->private_data;  in vb2_queue_is_busy()
713 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_reqbufs()  local
714 	int res = vb2_verify_memory_type(vdev->queue, p->memory, p->type);  in vb2_ioctl_reqbufs()
718 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_reqbufs()
720 	res = vb2_core_reqbufs(vdev->queue, p->memory, &p->count);  in vb2_ioctl_reqbufs()
724 		vdev->queue->owner = p->count ? file->private_data : NULL;  in vb2_ioctl_reqbufs()
732 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_create_bufs()  local
733 	int res = vb2_verify_memory_type(vdev->queue, p->memory,  in vb2_ioctl_create_bufs()
736 	p->index = vdev->queue->num_buffers;  in vb2_ioctl_create_bufs()
745 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_create_bufs()
748 	res = vb2_create_bufs(vdev->queue, p);  in vb2_ioctl_create_bufs()
750 		vdev->queue->owner = file->private_data;  in vb2_ioctl_create_bufs()
758 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_prepare_buf()  local
760 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_prepare_buf()
762 	return vb2_prepare_buf(vdev->queue, p);  in vb2_ioctl_prepare_buf()
768 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_querybuf()  local
771 	return vb2_querybuf(vdev->queue, p);  in vb2_ioctl_querybuf()
777 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_qbuf()  local
779 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_qbuf()
781 	return vb2_qbuf(vdev->queue, p);  in vb2_ioctl_qbuf()
787 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_dqbuf()  local
789 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_dqbuf()
791 	return vb2_dqbuf(vdev->queue, p, file->f_flags & O_NONBLOCK);  in vb2_ioctl_dqbuf()
797 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_streamon()  local
799 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_streamon()
801 	return vb2_streamon(vdev->queue, i);  in vb2_ioctl_streamon()
807 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_streamoff()  local
809 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_streamoff()
811 	return vb2_streamoff(vdev->queue, i);  in vb2_ioctl_streamoff()
817 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_expbuf()  local
819 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_expbuf()
821 	return vb2_expbuf(vdev->queue, p);  in vb2_ioctl_expbuf()
829 	struct video_device *vdev = video_devdata(file);  in vb2_fop_mmap()  local
831 	return vb2_mmap(vdev->queue, vma);  in vb2_fop_mmap()
837 	struct video_device *vdev = video_devdata(file);  in _vb2_fop_release()  local
841 	if (file->private_data == vdev->queue->owner) {  in _vb2_fop_release()
842 		vb2_queue_release(vdev->queue);  in _vb2_fop_release()
843 		vdev->queue->owner = NULL;  in _vb2_fop_release()
853 	struct video_device *vdev = video_devdata(file);  in vb2_fop_release()  local
854 	struct mutex *lock = vdev->queue->lock ? vdev->queue->lock : vdev->lock;  in vb2_fop_release()
863 	struct video_device *vdev = video_devdata(file);  in vb2_fop_write()  local
864 	struct mutex *lock = vdev->queue->lock ? vdev->queue->lock : vdev->lock;  in vb2_fop_write()
867 	if (!(vdev->queue->io_modes & VB2_WRITE))  in vb2_fop_write()
871 	if (vb2_queue_is_busy(vdev, file))  in vb2_fop_write()
873 	err = vb2_write(vdev->queue, buf, count, ppos,  in vb2_fop_write()
875 	if (vdev->queue->fileio)  in vb2_fop_write()
876 		vdev->queue->owner = file->private_data;  in vb2_fop_write()
887 	struct video_device *vdev = video_devdata(file);  in vb2_fop_read()  local
888 	struct mutex *lock = vdev->queue->lock ? vdev->queue->lock : vdev->lock;  in vb2_fop_read()
891 	if (!(vdev->queue->io_modes & VB2_READ))  in vb2_fop_read()
895 	if (vb2_queue_is_busy(vdev, file))  in vb2_fop_read()
897 	err = vb2_read(vdev->queue, buf, count, ppos,  in vb2_fop_read()
899 	if (vdev->queue->fileio)  in vb2_fop_read()
900 		vdev->queue->owner = file->private_data;  in vb2_fop_read()
910 	struct video_device *vdev = video_devdata(file);  in vb2_fop_poll()  local
911 	struct vb2_queue *q = vdev->queue;  in vb2_fop_poll()
912 	struct mutex *lock = q->lock ? q->lock : vdev->lock;  in vb2_fop_poll()
927 	res = vb2_poll(vdev->queue, file, wait);  in vb2_fop_poll()
942 	struct video_device *vdev = video_devdata(file);  in vb2_fop_get_unmapped_area()  local
944 	return vb2_get_unmapped_area(vdev->queue, addr, len, pgoff, flags);  in vb2_fop_get_unmapped_area()