Enum ExtentInlineRefType

#[repr(u8)]
pub enum ExtentInlineRefType {
    TreeBlockRef = 176,
    SharedBlockRef = 182,
    ExtentDataRef = 178,
    SharedDataRef = 184,
}

The type of ExtentInlineRefHeader or ExtentInlineRefFull.

Variants

TreeBlockRef = 176

The reference is indirect for a tree block.

offset contains the object ID of the tree root that allocated the block.

SharedBlockRef = 182

The reference is shared for a tree block.

offset contains the byte offset of the node one level above in the tree where this block is located.

ExtentDataRef = 178

The reference is indirect for a data extent.

An ExtentDataRef is located immediately after the type field and overlaps the unused offset field.

SharedDataRef = 184

The reference is shared for a data extent.

offset contains the byte offset of the metadata that contains the extent data item that describes this extent.

Immediately following offset (and the end of ExtentInlineRefHeader structure) is a SharedDataRef that contains the reference count.

Trait Implementations

impl Clone for ExtentInlineRefType

fn clone(&self) -> ExtentInlineRefType

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ExtentInlineRefType

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

Formats the value using the given formatter.

impl From<ExtentInlineRefType> for u8

fn from(enum_value: ExtentInlineRefType) -> Self

Converts to this type from the input type.

impl Hash for ExtentInlineRefType

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl IntoBytes for ExtentInlineRefType

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

where Self: Immutable,

Gets the bytes of this value.

fn write_to(&self, dst: &mut [u8]) -> Result<(), SizeError<&Self, &mut [u8]>>

where Self: Immutable,

Writes a copy of self to dst.

fn write_to_prefix( &self, dst: &mut [u8], ) -> Result<(), SizeError<&Self, &mut [u8]>>

where Self: Immutable,

Writes a copy of self to the prefix of dst.

fn write_to_suffix( &self, dst: &mut [u8], ) -> Result<(), SizeError<&Self, &mut [u8]>>

where Self: Immutable,

Writes a copy of self to the suffix of dst.

impl IntoEnumIterator for ExtentInlineRefType

type Iterator = ExtentInlineRefTypeIter

fn iter() -> ExtentInlineRefTypeIter

impl KnownLayout for ExtentInlineRefType

where Self: Sized,

type PointerMetadata = ()

The type of metadata stored in a pointer to Self.

impl PartialEq for ExtentInlineRefType

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

Tests for self and other values to be equal, and is used by ==.

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

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

impl TryFrom<u8> for ExtentInlineRefType

type Error = TryFromPrimitiveError<ExtentInlineRefType>

The type returned in the event of a conversion error.

fn try_from(number: u8) -> Result<Self, TryFromPrimitiveError<Self>>

Performs the conversion.

impl TryFromBytes for ExtentInlineRefType

fn try_ref_from_bytes( source: &[u8], ) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: KnownLayout + Immutable,

Attempts to interpret the given source as a &Self.

fn try_ref_from_prefix( source: &[u8], ) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: KnownLayout + Immutable,

Attempts to interpret the prefix of the given source as a &Self.

fn try_ref_from_suffix( source: &[u8], ) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: KnownLayout + Immutable,

Attempts to interpret the suffix of the given source as a &Self.

fn try_mut_from_bytes( bytes: &mut [u8], ) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>

where Self: KnownLayout + IntoBytes,

Attempts to interpret the given source as a &mut Self without copying.

fn try_mut_from_prefix( source: &mut [u8], ) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>

where Self: KnownLayout + IntoBytes,

Attempts to interpret the prefix of the given source as a &mut Self.

fn try_mut_from_suffix( source: &mut [u8], ) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>

where Self: KnownLayout + IntoBytes,

Attempts to interpret the suffix of the given source as a &mut Self.

fn try_read_from_bytes( source: &[u8], ) -> Result<Self, ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: Sized,

Attempts to read the given source as a Self.

fn try_read_from_prefix( source: &[u8], ) -> Result<(Self, &[u8]), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: Sized,

Attempts to read a Self from the prefix of the given source.

fn try_read_from_suffix( source: &[u8], ) -> Result<(&[u8], Self), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: Sized,

Attempts to read a Self from the suffix of the given source.

impl TryFromPrimitive for ExtentInlineRefType

const NAME: &'static str = "ExtentInlineRefType"

type Primitive = u8

type Error = TryFromPrimitiveError<ExtentInlineRefType>

fn try_from_primitive( number: Self::Primitive, ) -> Result<Self, TryFromPrimitiveError<Self>>

impl Copy for ExtentInlineRefType

impl Immutable for ExtentInlineRefType

impl StructuralPartialEq for ExtentInlineRefType