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proxmox: cleanup files on fsync errors

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Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller 2021-10-21 12:42:20 +02:00
parent a0cfb9c20d
commit bdc7e9d145
1 changed files with 12 additions and 2 deletions
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14
proxmox/src/tools/fs.rs
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@ -184,7 +184,10 @@ pub fn replace_file<P: AsRef<Path>>(
if fsync {
// make sure data is on disk
nix::unistd::fsync(file.as_raw_fd())?;
if let Err(err) = nix::unistd::fsync(file.as_raw_fd()) {
let _ = unistd::unlink(&tmp_path);
bail!("fsync failed: {}", err);
}
}
if let Err(err) = std::fs::rename(&tmp_path, &path) {
@ -261,7 +264,14 @@ pub fn atomic_open_or_create_file<P: AsRef<Path>>(
})?;
if fsync {
// make sure the initial_data is on disk
nix::unistd::fsync(file.as_raw_fd())?;
if let Err(err) = nix::unistd::fsync(file.as_raw_fd()) {
let _ = nix::unistd::unlink(&temp_file_name);
bail!(
"fsync of initial data to {:?} failed - {}",
temp_file_name,
err,
)
}
}
}