176 	unsigned int free_head;  member
547 	head = vq->free_head;  in virtqueue_add_split()
641 		vq->free_head = vq->split.desc_extra[head].next;  in virtqueue_add_split()
643 		vq->free_head = i;  in virtqueue_add_split()
750 	vq->split.desc_extra[i].next = vq->free_head;  in detach_buf_split()
751 	vq->free_head = head;  in detach_buf_split()
1005 	vq->free_head = 0;  in virtqueue_vring_attach_split()
1257 	id = vq->free_head;  in virtqueue_add_indirect_packed()
1317 	vq->free_head = vq->packed.desc_extra[id].next;  in virtqueue_add_indirect_packed()
1402 	id = vq->free_head;  in virtqueue_add_packed()
1452 	vq->free_head = curr;  in virtqueue_add_packed()
1477 	curr = vq->free_head;  in virtqueue_add_packed()
1556 	vq->packed.desc_extra[state->last].next = vq->free_head;  in detach_buf_packed()
1557 	vq->free_head = id;  in detach_buf_packed()
1965 	vq->free_head = 0;  in virtqueue_vring_attach_packed()