Changes since 1.12.0: !269 Revert "openat: Always annotate errors with filename" !268 Add a note about the required FD state for --fd !267 Add missing `--allow-mmap` help string !266 Display the help text if no arguments are present !265 handle_dirent: Fill in fuse::Attr by Default !264 Make `PassthroughFs::new()` errors nicer to look at !263 Fix short reads/writes !261 Fix new clippy warnings !259 Make serialization infallible !257 Note migration argument exclusivity in --help !256 Verify migration arguments make sense !255 Support RESET_DEVICE !249 Introduce 'seccomp' feature !248 Move VhostUserFs* types from main.rs into new fs_backend module !245 support idmapped mounts !236 Add migration.md document !237 Add UID/GID translation layer !220 Add --readonly flag