Struct RefBlock

pub struct RefBlock { /* private fields */ }

Implementations

impl RefBlock

pub fn new(refcount_order: u8, size: usize, offset: Option<u64>) -> Self

pub fn set_refcount_order(&mut self, refcount_order: u8)

pub fn increment(&mut self, index: usize) -> Qcow2Result<()>

pub fn decrement(&mut self, index: usize) -> Qcow2Result<()>

pub fn get_free_range(&self, start: usize, count: usize) -> Option<Range<usize>>

pub fn get_tail_free_range(&self) -> Option<Range<usize>>

pub fn alloc_range(&mut self, s: usize, e: usize) -> Qcow2Result<()>

Trait Implementations

impl Debug for RefBlock

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

Formats the value using the given formatter.

impl From<Qcow2IoBuf<RefBlockEntry>> for RefBlock

fn from(data: Qcow2IoBuf<RefBlockEntry>) -> Self

Converts to this type from the input type.

impl Table for RefBlock

fn byte_size(&self) -> usize

RefBlock is special, since RefBlockEntry is defined as u64

type Entry = RefBlockEntry

fn as_ptr(&self) -> *const u8

fn as_mut_ptr(&mut self) -> *mut u8

fn get_offset(&self) -> Option<u64>

fn set_offset(&mut self, offset: Option<u64>)

fn entries(&self) -> usize

fn get(&self, index: usize) -> Self::Entry

fn set(&mut self, index: usize, value: Self::Entry)

fn set_with_return( &mut self, index: usize, value: Self::Entry, ) -> Qcow2Result<()>

fn cluster_count(&self, qcow2_info: &Qcow2Info) -> usize

fn is_update(&self) -> bool

fn new_empty(offset: Option<u64>, size: usize) -> Self

fn set_dirty(&self, _idx: usize)

fn pop_dirty_blk_idx(&self, _val: Option<u32>) -> Option<u32>