btrfs_cli/qgroup/
create.rs

1use crate::{Format, Runnable, util::parse_qgroupid};
2use anyhow::{Context, Result};
3use clap::Parser;
4use nix::errno::Errno;
5use std::{fs::File, os::unix::io::AsFd, path::PathBuf};
6
7/// Create a subvolume quota group
8#[derive(Parser, Debug)]
9pub struct QgroupCreateCommand {
10    /// Qgroup id in the form LEVEL/ID
11    pub qgroupid: String,
12
13    /// Path to a mounted btrfs filesystem
14    pub path: PathBuf,
15}
16
17impl Runnable for QgroupCreateCommand {
18    fn run(&self, _format: Format, _dry_run: bool) -> Result<()> {
19        let qgroupid = parse_qgroupid(&self.qgroupid)?;
20
21        let file = File::open(&self.path).with_context(|| {
22            format!("failed to open '{}'", self.path.display())
23        })?;
24
25        match btrfs_uapi::quota::qgroup_create(file.as_fd(), qgroupid) {
26            Ok(()) => {
27                println!("qgroup {} created", self.qgroupid);
28                Ok(())
29            }
30            Err(Errno::ENOTCONN) => {
31                anyhow::bail!("quota not enabled on '{}'", self.path.display())
32            }
33            Err(e) => Err(e).with_context(|| {
34                format!(
35                    "failed to create qgroup '{}' on '{}'",
36                    self.qgroupid,
37                    self.path.display()
38                )
39            }),
40        }
41    }
42}
btrfs_cli/qgroup/create.rs

btrfs_cli/qgroup/
create.rs
