btrfs_cli/filesystem/
df.rs

1use super::UnitMode;
2use crate::{
3    Format, Runnable,
4    util::{fmt_size, open_path},
5};
6use anyhow::{Context, Result};
7use btrfs_uapi::space::space_info;
8use clap::Parser;
9use std::{os::unix::io::AsFd, path::PathBuf};
10
11/// Show space usage information for a mounted filesystem
12#[derive(Parser, Debug)]
13pub struct FilesystemDfCommand {
14    #[clap(flatten)]
15    pub units: UnitMode,
16
17    pub path: PathBuf,
18}
19
20impl Runnable for FilesystemDfCommand {
21    fn run(&self, _format: Format, _dry_run: bool) -> Result<()> {
22        let mode = self.units.resolve();
23        let file = open_path(&self.path)?;
24        let entries = space_info(file.as_fd()).with_context(|| {
25            format!("failed to get space info for '{}'", self.path.display())
26        })?;
27
28        for entry in &entries {
29            println!(
30                "{}: total={}, used={}",
31                entry.flags,
32                fmt_size(entry.total_bytes, &mode),
33                fmt_size(entry.used_bytes, &mode),
34            );
35        }
36
37        Ok(())
38    }
39}
btrfs_cli/filesystem/df.rs

btrfs_cli/filesystem/
df.rs
