Struct devicemapper::DeviceInfo

pub struct DeviceInfo { /* private fields */ }

Contains information about the device.

Implementations

impl DeviceInfo

pub fn new(hdr: Struct_dm_ioctl) -> DmResult<Self>

Parses a DM ioctl structure.

Equivalent to DeviceInfo::try_from(hdr).

pub fn version(&self) -> &Version

The major, minor, and patchlevel versions of devicemapper.

pub fn open_count(&self) -> i32

The number of times the device is currently open.

pub fn event_nr(&self) -> u32

The last event number for the device.

pub fn device(&self) -> Device

The device’s major and minor device numbers, as a Device.

pub fn name(&self) -> Option<&DmName>

The device’s name.

pub fn uuid(&self) -> Option<&DmUuid>

The device’s devicemapper uuid.

pub fn flags(&self) -> DmFlags

The flags returned from the device.

Trait Implementations

impl Clone for DeviceInfo

fn clone(&self) -> DeviceInfo

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for DeviceInfo

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

Formats the value using the given formatter.

impl TryFrom<dm_ioctl> for DeviceInfo

type Error = DmError

The type returned in the event of a conversion error.

fn try_from(ioctl: Struct_dm_ioctl) -> DmResult<Self>

Performs the conversion.