Struct ext4_read_only::structs::Extent

#[repr(C)]
pub struct Extent {
    pub e_blk: U32,
    pub e_len: U16,
    pub e_start_hi: U16,
    pub e_start_lo: U32,
}

Fields

e_blk: U32

First logical block.

e_len: U16

Number of blocks.

e_start_hi: U16

High 16 bits of physical block.

e_start_lo: U32

Low 32 bits of physical block.

Implementations

impl Extent

pub fn target_block_num(&self) -> u64

Block number that this Extent points to.

Trait Implementations

impl Clone for Extent

fn clone(&self) -> Extent

Returns a copy of the value.

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

Performs copy-assignment from source.

impl FromBytes for Extent

where U32: FromBytes, U16: FromBytes,

fn ref_from(bytes: &[u8]) -> Option<&Self>

where Self: Sized + NoCell,

Interprets the given bytes as a &Self without copying.

fn ref_from_prefix(bytes: &[u8]) -> Option<&Self>

where Self: Sized + NoCell,

Interprets the prefix of the given bytes as a &Self without copying.

fn ref_from_suffix(bytes: &[u8]) -> Option<&Self>

where Self: Sized + NoCell,

Interprets the suffix of the given bytes as a &Self without copying.

fn slice_from(bytes: &[u8]) -> Option<&[Self]>

where Self: Sized + NoCell,

Interprets the given bytes as a &[Self] without copying.

fn slice_from_prefix(bytes: &[u8], count: usize) -> Option<(&[Self], &[u8])>

where Self: Sized + NoCell,

Interprets the prefix of the given bytes as a &[Self] with length equal to count without copying.

fn slice_from_suffix(bytes: &[u8], count: usize) -> Option<(&[u8], &[Self])>

where Self: Sized + NoCell,

Interprets the suffix of the given bytes as a &[Self] with length equal to count without copying.

fn read_from(bytes: &[u8]) -> Option<Self>

where Self: Sized,

Reads a copy of Self from bytes.

fn read_from_prefix(bytes: &[u8]) -> Option<Self>

where Self: Sized,

Reads a copy of Self from the prefix of bytes.

fn read_from_suffix(bytes: &[u8]) -> Option<Self>

where Self: Sized,

Reads a copy of Self from the suffix of bytes.

impl FromZeros for Extent

where U32: FromZeros, U16: FromZeros,

fn zero(&mut self)

Overwrites self with zeros.

fn new_zeroed() -> Self

where Self: Sized,

Creates an instance of Self from zeroed bytes.

impl Unaligned for Extent

where U32: Unaligned, U16: Unaligned,