Struct btrfs_diskformat::ExtentDataRef

#[repr(C, packed)]pub struct ExtentDataRef {
    pub root: U64<LE>,
    pub objectid: U64<LE>,
    pub offset: U64<LE>,
    pub count: U32<LE>,
}

Contains an indirect back reference for a file data extent.

Immediately follows an ExtentInlineRef. See that documentation for more details.

Fields

root: U64<LE>

The object ID for the file tree that references this extent.

objectid: U64<LE>

The object ID of the inode that contains the extent data that references this extent.

offset: U64<LE>

The offset within the file that corresponds to this extent.

count: U32<LE>

The reference count being held.

Trait Implementations

impl AsBytes for ExtentDataRef

pub fn only_derive_is_allowed_to_implement_this_trait() where
    Self: Sized, 

pub fn as_bytes(&self) -> &[u8]

Get the bytes of this value.

pub fn as_bytes_mut(&mut self) -> &mut [u8] where
    Self: FromBytes, 

Get the bytes of this value mutably.

impl Clone for ExtentDataRef

pub fn clone(&self) -> ExtentDataRef

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for ExtentDataRef

impl Debug for ExtentDataRef

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

Formats the value using the given formatter.

impl FromBytes for ExtentDataRef

pub fn only_derive_is_allowed_to_implement_this_trait() where
    Self: Sized, 

impl Unaligned for ExtentDataRef

pub fn only_derive_is_allowed_to_implement_this_trait() where
    Self: Sized,