btrfs_cli/quota/
enable.rs

1use crate::{Format, Runnable};
2use anyhow::{Context, Result};
3use clap::Parser;
4use std::{fs::File, os::unix::io::AsFd, path::PathBuf};
5
6/// Enable subvolume quota support for a filesystem
7#[derive(Parser, Debug)]
8pub struct QuotaEnableCommand {
9    /// Path to a mounted btrfs filesystem
10    pub path: PathBuf,
11
12    /// Simple qgroups: account ownership by extent lifetime rather than backref walks
13    #[clap(short = 's', long)]
14    pub simple: bool,
15}
16
17impl Runnable for QuotaEnableCommand {
18    fn run(&self, _format: Format, _dry_run: bool) -> Result<()> {
19        let file = File::open(&self.path).with_context(|| {
20            format!("failed to open '{}'", self.path.display())
21        })?;
22
23        btrfs_uapi::quota::quota_enable(file.as_fd(), self.simple)
24            .with_context(|| {
25                format!("failed to enable quota on '{}'", self.path.display())
26            })?;
27
28        if self.simple {
29            println!(
30                "quota enabled (simple mode) on '{}'",
31                self.path.display()
32            );
33        } else {
34            println!("quota enabled on '{}'", self.path.display());
35        }
36
37        Ok(())
38    }
39}
btrfs_cli/quota/enable.rs

btrfs_cli/quota/
enable.rs
