btrfs_cli/qgroup/
clear_stale.rs

1use crate::{Format, Runnable};
2use anyhow::{Context, Result};
3use clap::Parser;
4use std::{fs::File, os::unix::io::AsFd, path::PathBuf};
5
6/// Clear all stale qgroups (level 0/subvolid) without a subvolume
7#[derive(Parser, Debug)]
8pub struct QgroupClearStaleCommand {
9    /// Path to a mounted btrfs filesystem
10    pub path: PathBuf,
11}
12
13impl Runnable for QgroupClearStaleCommand {
14    fn run(&self, _format: Format, _dry_run: bool) -> Result<()> {
15        let file = File::open(&self.path).with_context(|| {
16            format!("failed to open '{}'", self.path.display())
17        })?;
18
19        let n = btrfs_uapi::quota::qgroup_clear_stale(file.as_fd())
20            .with_context(|| {
21                format!(
22                    "failed to clear stale qgroups on '{}'",
23                    self.path.display()
24                )
25            })?;
26
27        if n == 0 {
28            println!("no stale qgroups found");
29        } else {
30            println!(
31                "deleted {} stale qgroup{}",
32                n,
33                if n == 1 { "" } else { "s" }
34            );
35        }
36
37        Ok(())
38    }
39}
btrfs_cli/qgroup/clear_stale.rs

btrfs_cli/qgroup/
clear_stale.rs
