kata-containers/cgroups-rs
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error: introduce thiserror to add path to error message

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For some cgroup file operations, when failed, add the path
and the value (for write operation) to the error message.

Fixes: #93

Signed-off-by: bin liu <liubin0329@gmail.com>
This commit is contained in:
bin liu
2022-11-18 17:20:21 +08:00
parent 4d8f704a4b
commit d387c6edc7
18 changed files with 437 additions and 208 deletions
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src/hugetlb.rs
+6 -5
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@@ -165,13 +165,14 @@ impl HugeTlbController {
/// Set the limit (in bytes) of how much memory can be backed by hugepages of a certain size
/// (`hugetlb_size`).
pub fn set_limit_in_bytes(&self, hugetlb_size: &str, limit: u64) -> Result<()> {
let mut file = format!("hugetlb.{}.limit_in_bytes", hugetlb_size);
let mut file_name = format!("hugetlb.{}.limit_in_bytes", hugetlb_size);
if self.v2 {
file = format!("hugetlb.{}.max", hugetlb_size);
file_name = format!("hugetlb.{}.max", hugetlb_size);
}
self.open_path(&file, true).and_then(|mut file| {
file.write_all(limit.to_string().as_ref())
.map_err(|e| Error::with_cause(WriteFailed, e))
self.open_path(&file_name, true).and_then(|mut file| {
file.write_all(limit.to_string().as_ref()).map_err(|e| {
Error::with_cause(WriteFailed(file_name.to_string(), limit.to_string()), e)
})
})
}
}