INNER CODE UNIT · Rust

detach_loopdev

openebs/mayastor · io-engine-tests/src/lib.rs:222

pub fn detach_loopdev(dev: &str) {
    let output = Command::new("losetup")
        .args(["-d", dev])
        .output()
        .expect("failed exec losetup");
    assert!(output.status.success(), "{:#?}", output);
}

/// Load the `scsi_debug` kernel test-driver module, creating a real (though
/// fully virtual, no backing disk) SCSI block device of the given size.
/// Requires root -- shells out via `sudo`, same assumption CI's own kernel
/// module setup already relies on (see `.github/workflows/unit-int.yml`).
pub fn setup_scsi_debug_device(dev_size_mb: u32) -> String {
    let output = Command::new("sudo")
        .args([
            "modprobe",
            "scsi_debug",
            &format!("dev_size_mb={dev_size_mb}"),

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