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chore(tvix/castore/fuse): impl Layer for TvixStoreFs

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Allows using a TvixStoreFs in overlay filesystems

Change-Id: I10e63c92776b1c783947d92070f360865ef2883c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12539
Autosubmit: yuka <yuka@yuka.dev>
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
This commit is contained in:
Yureka 2024-09-28 14:11:59 +02:00 committed by clbot
parent 1034cc7774
commit 1c24d483d5
1 changed files with 12 additions and 1 deletions
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13
tvix/castore/src/fs/mod.rs
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@ -24,7 +24,7 @@ use crate::{
use bstr::ByteVec;
use fuse_backend_rs::abi::fuse_abi::{stat64, OpenOptions};
use fuse_backend_rs::api::filesystem::{
Context, FileSystem, FsOptions, GetxattrReply, ListxattrReply, ROOT_ID,
Context, FileSystem, FsOptions, GetxattrReply, Layer, ListxattrReply, ROOT_ID,
};
use futures::StreamExt;
use parking_lot::RwLock;
@ -300,6 +300,17 @@ const ROOT_NODES_BUFFER_SIZE: usize = 16;
const XATTR_NAME_DIRECTORY_DIGEST: &[u8] = b"user.tvix.castore.directory.digest";
const XATTR_NAME_BLOB_DIGEST: &[u8] = b"user.tvix.castore.blob.digest";
impl<BS, DS, RN> Layer for TvixStoreFs<BS, DS, RN>
where
BS: AsRef<dyn BlobService> + Clone + Send + 'static,
DS: AsRef<dyn DirectoryService> + Send + Clone + 'static,
RN: RootNodes + Clone + 'static,
{
fn root_inode(&self) -> Self::Inode {
ROOT_ID
}
}
impl<BS, DS, RN> FileSystem for TvixStoreFs<BS, DS, RN>
where
BS: AsRef<dyn BlobService> + Clone + Send + 'static,