Merge pull request #168 from kata-containers/release-0.5.1

release: v0.5.1

.github/workflows/bvt.yaml

@@ -1,7 +1,7 @@
 name: BVT
 on: [pull_request]
 env:
-  RUST_VERSION: 1.85.1
+  RUST_VERSION: 1.90.0
 jobs:
   build:
     name: Build
@@ -35,4 +35,3 @@ jobs:
       - run: rustup install ${{ env.RUST_VERSION }} && rustup default ${{ env.RUST_VERSION }}
       - run: make test
 
-

Cargo.toml

@@ -5,7 +5,7 @@ repository = "https://github.com/kata-containers/cgroups-rs"
 keywords = ["linux", "cgroup", "containers", "isolation"]
 categories = ["os", "api-bindings", "os::unix-apis"]
 license = "MIT OR Apache-2.0"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["The Kata Containers community <kata-dev@lists.katacontainers.io>", "Levente Kurusa <lkurusa@acm.org>", "Sam Wilson <tecywiz121@hotmail.com>"]
 edition = "2018"
 homepage = "https://github.com/kata-containers/cgroups-rs"
@@ -17,7 +17,7 @@ nix = { version = "0.25.0", default-features = false, features = ["event", "fs",
 libc = "0.2"
 serde = { version = "1.0", features = ["derive"], optional = true }
 thiserror = "1"
-oci-spec = { version = "0.8.1", optional = true }
+oci-spec = { version = "0.10.0", optional = true }
 zbus = "5.8"
 bit-vec = "0.6"
 

README.md

@@ -1,15 +1,14 @@
-# cgroups-rs ![Build](https://travis-ci.org/kata-containers/cgroups-rs.svg?branch=master)
-Native Rust library for managing control groups under Linux
+# cgroups-rs
 
-Both v1 and v2 of cgroups are supported.
+[![Crate](https://img.shields.io/crates/v/cgroups-rs.svg)](https://crates.io/crates/cgroups-rs)
 
-# Examples
+Native Rust library for managing Linux control groups. Supports both cgroups v1 and v2.
 
-## Create a control group using the builder pattern
-
-``` rust
+## Examples
 
+### Create a control group using the builder pattern
 
+```rust
 use cgroups_rs::*;
 use cgroups_rs::cgroup_builder::*;
 
@@ -44,7 +43,7 @@ cg.delete();
 // major version change.
 ```
 
-# Disclaimer
+## Disclaimer
 
 This crate is licensed under:
 

src/fs/cgroup.rs

@@ -550,18 +550,18 @@ fn create_v2_cgroup(
     // path: "a/b/c"
     let elements = path.split('/').collect::<Vec<&str>>();
     let last_index = elements.len() - 1;
+    // Build up the directory hierarchy element by element, enabling the controllers for all
+    // parents along the way.
     for (i, ele) in elements.iter().enumerate() {
         // ROOT/a
         fp.push(ele);
-        // create dir, need not check if is a file or directory
-        if !fp.exists() {
-            if let Err(e) = std::fs::create_dir(fp.clone()) {
-                return Err(Error::with_cause(ErrorKind::FsError, e));
-            }
+        // create dir if necessary
+        if let Err(e) = std::fs::create_dir_all(fp.clone()) {
+            return Err(Error::with_cause(ErrorKind::FsError, e));
         }
 
         if i < last_index {
-            // enable controllers for substree
+            // enable controllers for subtree
             enable_controllers(&controllers, &fp);
         }
     }