rem: return volumeRoot;
add: *resolvedMountID = node->device; *resolvedNodeID = node->id;  put_vnode(node);  return B_OK;
context: resolve_mount_point_to_volume_root(struct vnode *vnode){	if (!vnode)		return NULL;	struct vnode *volumeRoot = NULL;	recursive_lock_lock(&sMountOpLock);	if (vnode->covered_by) {		volumeRoot = vnode->covered_by;		inc_vnode_ref_count(volumeRoot);	}	recursive_lock_unlock(&sMountOpLock);	return volumeRoot;}