runtime-rs: change cache mode from none to never
New Rust virtiofsd's `cache` mode doesn't support `none` mode,
we should use `never` to replace it.
Fixes:
@@ -35,7 +35,7 @@ pub struct ShareVirtioFsStandaloneConfig {
// virtio_fs_daemon is the virtio-fs vhost-user daemon path
pub virtio_fs_daemon: String,
- // virtio_fs_cache cache mode for fs version cache or "none"
+ // virtio_fs_cache cache mode for fs version cache
pub virtio_fs_cache: String,
// virtio_fs_extra_args passes options to virtiofsd daemon
pub virtio_fs_extra_args: Vec<String>,
