Enum ObjectValueV54 

pub enum ObjectValueV54 {
    None,
    Some,
    Object {
        kind: ObjectKindV54,
        attributes: ObjectAttributesV49,
    },
    Keys(EncryptionKeysV49),
    Attribute {
        size: u64,
        has_overwrite_extents: bool,
    },
    Extent(ExtentValueV38),
    Child(ChildValue),
    Trim,
    BytesAndNodes {
        bytes: i64,
        nodes: i64,
    },
    ExtendedAttribute(ExtendedAttributeValueV32),
    VerifiedAttribute {
        size: u64,
        fsverity_metadata: FsverityMetadataV50,
    },
}

Variants

None

Some keys have no value (this often indicates a tombstone of some sort). Records with this value are always filtered when a major compaction is performed, so the meaning must be the same as if the item was not present.

Some

Some keys have no value but need to differentiate between a present value and no value (None) i.e. their value is really a boolean: None => false, Some => true.

Object

The value for an ObjectKey::Object record.

Fields

kind: ObjectKindV54

attributes: ObjectAttributesV49

Keys(EncryptionKeysV49)

Specifies encryption keys to use for an object.

Attribute

An attribute associated with a file object. |size| is the size of the attribute in bytes.

Fields

size: u64

has_overwrite_extents: bool

Extent(ExtentValueV38)

An extent associated with an object.

Child(ChildValue)

A child of an object.

Trim

Graveyard entries can contain these entries which will cause a file that has extents beyond EOF to be trimmed at mount time. This is used in cases where shrinking a file can exceed the bounds of a single transaction.

BytesAndNodes

Added to support tracking Project ID usage and limits.

Fields

bytes: i64

nodes: i64

ExtendedAttribute(ExtendedAttributeValueV32)

A value for an extended attribute. Either inline or a redirection to an attribute with extents.

VerifiedAttribute

An attribute associated with a verified file object. |size| is the size of the attribute in bytes.

Fields

size: u64

fsverity_metadata: FsverityMetadataV50

Implementations

impl ObjectValueV54

pub fn file( refs: u64, allocated_size: u64, creation_time: Timestamp, modification_time: Timestamp, access_time: Timestamp, change_time: Timestamp, project_id: u64, posix_attributes: Option<PosixAttributes>, ) -> ObjectValue

Creates an ObjectValue for a file object.

pub fn keys(encryption_keys: EncryptionKeys) -> ObjectValue

pub fn attribute(size: u64, has_overwrite_extents: bool) -> ObjectValue

Creates an ObjectValue for an object attribute.

pub fn verified_attribute( size: u64, fsverity_metadata: FsverityMetadata, ) -> ObjectValue

Creates an ObjectValue for an object attribute of a verified file.

pub fn extent(device_offset: u64, key_id: u64) -> ObjectValue

Creates an ObjectValue for an insertion/replacement of an object extent.

pub fn extent_with_checksum( device_offset: u64, checksum: Checksums, key_id: u64, ) -> ObjectValue

Creates an ObjectValue for an insertion/replacement of an object extent.

pub fn deleted_extent() -> ObjectValue

Creates an ObjectValue for a deletion of an object extent.

pub fn child(object_id: u64, object_descriptor: ObjectDescriptor) -> ObjectValue

Creates an ObjectValue for an object child.

pub fn symlink( link: impl Into<Box<[u8]>>, creation_time: Timestamp, modification_time: Timestamp, project_id: u64, ) -> ObjectValue

Creates an ObjectValue for an object symlink.

pub fn encrypted_symlink( link: impl Into<Box<[u8]>>, creation_time: Timestamp, modification_time: Timestamp, project_id: u64, ) -> ObjectValue

Creates an ObjectValue for an encrypted symlink object.

pub fn inline_extended_attribute(value: impl Into<Vec<u8>>) -> ObjectValue

pub fn extended_attribute(attribute_id: u64) -> ObjectValue

Trait Implementations

impl Clone for ObjectValueV54

fn clone(&self) -> ObjectValueV54

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ObjectValueV54

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ObjectValueV54

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<ObjectValueV40> for ObjectValueV54

fn from(item: ObjectValueV40) -> Self

Converts to this type from the input type.

impl From<ObjectValueV41> for ObjectValueV54

fn from(item: ObjectValueV41) -> Self

Converts to this type from the input type.

impl From<ObjectValueV46> for ObjectValueV54

fn from(item: ObjectValueV46) -> Self

Converts to this type from the input type.

impl From<ObjectValueV47> for ObjectValueV54

fn from(item: ObjectValueV47) -> Self

Converts to this type from the input type.

impl From<ObjectValueV49> for ObjectValueV54

fn from(item: ObjectValueV49) -> Self

Converts to this type from the input type.

impl From<ObjectValueV50> for ObjectValueV54

fn from(from: ObjectValueV50) -> Self

Converts to this type from the input type.

impl PartialEq for ObjectValueV54

fn eq(&self, other: &ObjectValueV54) -> 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 Serialize for ObjectValueV54

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl TypeFingerprint for ObjectValueV54

fn fingerprint() -> String

impl Versioned for ObjectValueV54

fn max_serialized_size() -> Option<u64>

Maximum size of a serialized version of this type. Serialization and deserialization will fail if the limit is exceeded. If None, there is no limit. None is preferred over u64::MAX because serializing and deserializing with a limit has runtime overhead.

fn deserialize_from<R>(reader: &mut R, _version: Version) -> Result<Self>

where R: Read + ?Sized, for<'de> Self: Deserialize<'de>,

fn serialize_into<W>(&self, writer: &mut W) -> Result<()>

where W: Write, Self: Serialize,

impl VersionedLatest for ObjectValueV54

fn deserialize_from_version<R>(reader: &mut R, version: Version) -> Result<Self>

where R: Read, Self: Sized,

Deserializes from a given version format and upgrades to the latest version.

fn deserialize_with_version<R>(reader: &mut R) -> Result<(Self, Version)>

where R: Read, Self: Sized,

Like deserialize_from_version but reads Version from reader first, then uses it to deserialize self.

fn serialize_with_version<W>(&self, writer: &mut W) -> Result<()>

where W: Write, Self: Sized,

Like serialize_into but serialized Version first, then self.

impl StructuralPartialEq for ObjectValueV54