FS_VOLUME_CAPABILITY_GET_VNODE
fVolumeCapabilities.Set(FS_VOLUME_CAPABILITY_GET_VNODE, fFSOps->read_vnode);
fVolumeCapabilities.Set(FS_VOLUME_CAPABILITY_GET_VNODE, true);
fCapabilities.Set(FS_VOLUME_CAPABILITY_GET_VNODE, fVolume.ops->get_vnode);