Struct devicemapper::LinearTargetParams

pub struct LinearTargetParams {
    pub device: Device,
    pub start_offset: Sectors,
}

Struct representing params for a linear target

Fields

device: Device

Device on which this segment resides.

start_offset: Sectors

Start offset in device on which this segment resides.

Implementations

impl LinearTargetParams

pub fn new(device: Device, start_offset: Sectors) -> LinearTargetParams

Create a new LinearTargetParams struct

Examples found in repository

src/lineardev.rs (line 70)

    fn from_str(s: &str) -> DmResult<LinearTargetParams> {
        let vals = s.split(' ').collect::<Vec<_>>();
        if vals.len() != 3 {
            let err_msg = format!(
                "expected 3 values in params string \"{}\", found {}",
                s,
                vals.len()
            );
            return Err(DmError::Dm(ErrorEnum::Invalid, err_msg));
        }

        if vals[0] != LINEAR_TARGET_NAME {
            let err_msg = format!(
                "Expected a linear target entry but found target type {}",
                vals[0]
            );
            return Err(DmError::Dm(ErrorEnum::Invalid, err_msg));
        }

        let device = parse_device(vals[1], "block device for linear target")?;
        let start = Sectors(parse_value(vals[2], "physical start offset")?);

        Ok(LinearTargetParams::new(device, start))
    }

Trait Implementations

impl Clone for LinearTargetParams

fn clone(&self) -> LinearTargetParams

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for LinearTargetParams

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for LinearTargetParams

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl FromStr for LinearTargetParams

type Err = DmError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> DmResult<LinearTargetParams>

Parses a string s to return a value of this type.

impl PartialEq<LinearTargetParams> for LinearTargetParams

fn eq(&self, other: &LinearTargetParams) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl TargetParams for LinearTargetParams

fn param_str(&self) -> String

Return the param string only

fn target_type(&self) -> TargetTypeBuf

Return the target type

impl Eq for LinearTargetParams

impl StructuralEq for LinearTargetParams

impl StructuralPartialEq for LinearTargetParams