953 __poll_t vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)  in vb2_poll()  argument
955 	struct video_device *vfd = video_devdata(file);  in vb2_poll()
958 	res = vb2_core_poll(q, file, wait);  in vb2_poll()
961 		struct v4l2_fh *fh = file->private_data;  in vb2_poll()
963 		poll_wait(file, &fh->wait, wait);  in vb2_poll()
981 static inline bool vb2_queue_is_busy(struct video_device *vdev, struct file *file)  in vb2_queue_is_busy()  argument
983 	return vdev->queue->owner && vdev->queue->owner != file->private_data;  in vb2_queue_is_busy()
988 int vb2_ioctl_reqbufs(struct file *file, void *priv,  in vb2_ioctl_reqbufs()  argument
991 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_reqbufs()
997 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_reqbufs()
1003 		vdev->queue->owner = p->count ? file->private_data : NULL;  in vb2_ioctl_reqbufs()
1008 int vb2_ioctl_create_bufs(struct file *file, void *priv,  in vb2_ioctl_create_bufs()  argument
1011 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_create_bufs()
1025 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_create_bufs()
1030 		vdev->queue->owner = file->private_data;  in vb2_ioctl_create_bufs()
1035 int vb2_ioctl_prepare_buf(struct file *file, void *priv,  in vb2_ioctl_prepare_buf()  argument
1038 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_prepare_buf()
1040 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_prepare_buf()
1046 int vb2_ioctl_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)  in vb2_ioctl_querybuf()  argument
1048 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_querybuf()
1055 int vb2_ioctl_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)  in vb2_ioctl_qbuf()  argument
1057 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_qbuf()
1059 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_qbuf()
1065 int vb2_ioctl_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)  in vb2_ioctl_dqbuf()  argument
1067 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_dqbuf()
1069 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_dqbuf()
1071 	return vb2_dqbuf(vdev->queue, p, file->f_flags & O_NONBLOCK);  in vb2_ioctl_dqbuf()
1075 int vb2_ioctl_streamon(struct file *file, void *priv, enum v4l2_buf_type i)  in vb2_ioctl_streamon()  argument
1077 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_streamon()
1079 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_streamon()
1085 int vb2_ioctl_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)  in vb2_ioctl_streamoff()  argument
1087 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_streamoff()
1089 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_streamoff()
1095 int vb2_ioctl_expbuf(struct file *file, void *priv, struct v4l2_exportbuffer *p)  in vb2_ioctl_expbuf()  argument
1097 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_expbuf()
1099 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_expbuf()
1107 int vb2_fop_mmap(struct file *file, struct vm_area_struct *vma)  in vb2_fop_mmap()  argument
1109 	struct video_device *vdev = video_devdata(file);  in vb2_fop_mmap()
1115 int _vb2_fop_release(struct file *file, struct mutex *lock)  in _vb2_fop_release()  argument
1117 	struct video_device *vdev = video_devdata(file);  in _vb2_fop_release()
1121 	if (file->private_data == vdev->queue->owner) {  in _vb2_fop_release()
1127 	return v4l2_fh_release(file);  in _vb2_fop_release()
1131 int vb2_fop_release(struct file *file)  in vb2_fop_release()  argument
1133 	struct video_device *vdev = video_devdata(file);  in vb2_fop_release()
1136 	return _vb2_fop_release(file, lock);  in vb2_fop_release()
1140 ssize_t vb2_fop_write(struct file *file, const char __user *buf,  in vb2_fop_write()  argument
1143 	struct video_device *vdev = video_devdata(file);  in vb2_fop_write()
1151 	if (vb2_queue_is_busy(vdev, file))  in vb2_fop_write()
1154 		       file->f_flags & O_NONBLOCK);  in vb2_fop_write()
1156 		vdev->queue->owner = file->private_data;  in vb2_fop_write()
1164 ssize_t vb2_fop_read(struct file *file, char __user *buf,  in vb2_fop_read()  argument
1167 	struct video_device *vdev = video_devdata(file);  in vb2_fop_read()
1175 	if (vb2_queue_is_busy(vdev, file))  in vb2_fop_read()
1178 		       file->f_flags & O_NONBLOCK);  in vb2_fop_read()
1180 		vdev->queue->owner = file->private_data;  in vb2_fop_read()
1188 __poll_t vb2_fop_poll(struct file *file, poll_table *wait)  in vb2_fop_poll()  argument
1190 	struct video_device *vdev = video_devdata(file);  in vb2_fop_poll()
1207 	res = vb2_poll(vdev->queue, file, wait);  in vb2_fop_poll()
1211 		q->owner = file->private_data;  in vb2_fop_poll()
1219 unsigned long vb2_fop_get_unmapped_area(struct file *file, unsigned long addr,  in vb2_fop_get_unmapped_area()  argument
1222 	struct video_device *vdev = video_devdata(file);  in vb2_fop_get_unmapped_area()