Struct InitFlags 

pub struct InitFlags(/* private fields */);

Init request/reply flags.

Implementations

impl InitFlags

pub const FUSE_ASYNC_READ: Self

asynchronous read requests

pub const FUSE_POSIX_LOCKS: Self

remote locking for POSIX file locks

pub const FUSE_FILE_OPS: Self

kernel sends file handle for fstat, etc…

pub const FUSE_ATOMIC_O_TRUNC: Self

handles the O_TRUNC open flag in the filesystem

pub const FUSE_EXPORT_SUPPORT: Self

filesystem handles lookups of “.” and “..”

pub const FUSE_BIG_WRITES: Self

filesystem can handle write size larger than 4kB

pub const FUSE_DONT_MASK: Self

don’t apply umask to file mode on create operations

pub const FUSE_SPLICE_WRITE: Self

kernel supports splice write on the device

pub const FUSE_SPLICE_MOVE: Self

kernel supports splice move on the device

pub const FUSE_SPLICE_READ: Self

kernel supports splice read on the device

pub const FUSE_FLOCK_LOCKS: Self

remote locking for BSD style file locks

pub const FUSE_HAS_IOCTL_DIR: Self

kernel supports ioctl on directories

pub const FUSE_AUTO_INVAL_DATA: Self

automatically invalidate cached pages

pub const FUSE_DO_READDIRPLUS: Self

do READDIRPLUS (READDIR+LOOKUP in one)

pub const FUSE_READDIRPLUS_AUTO: Self

adaptive readdirplus

pub const FUSE_ASYNC_DIO: Self

asynchronous direct I/O submission

pub const FUSE_WRITEBACK_CACHE: Self

use writeback cache for buffered writes

pub const FUSE_NO_OPEN_SUPPORT: Self

kernel supports zero-message opens

pub const FUSE_PARALLEL_DIROPS: Self

allow parallel lookups and readdir

pub const FUSE_HANDLE_KILLPRIV: Self

fs handles killing suid/sgid/cap on write/chown/trunc

pub const FUSE_POSIX_ACL: Self

filesystem supports posix acls

pub const FUSE_ABORT_ERROR: Self

reading the device after abort returns ECONNABORTED

pub const FUSE_MAX_PAGES: Self

init_out.max_pages contains the max number of req pages

pub const FUSE_CACHE_SYMLINKS: Self

cache READLINK responses

pub const FUSE_NO_OPENDIR_SUPPORT: Self

kernel supports zero-message opendir

pub const FUSE_EXPLICIT_INVAL_DATA: Self

only invalidate cached pages on explicit request

pub const FUSE_MAP_ALIGNMENT: Self

map_alignment field is valid

pub const FUSE_SUBMOUNTS: Self

filesystem supports submounts

pub const FUSE_HANDLE_KILLPRIV_V2: Self

fs handles killing suid/sgid/cap on write/chown/trunc (v2)

pub const FUSE_SETXATTR_EXT: Self

extended setxattr support

pub const FUSE_INIT_EXT: Self

extended fuse_init_in request

pub const FUSE_INIT_RESERVED: Self

reserved, do not use

pub const FUSE_SECURITY_CTX: Self

add security context to create/mkdir/symlink/mknod

pub const FUSE_HAS_INODE_DAX: Self

filesystem supports per-inode DAX

pub const FUSE_CREATE_SUPP_GROUP: Self

create with supplementary group

pub const FUSE_HAS_EXPIRE_ONLY: Self

kernel supports expire-only invalidation

pub const FUSE_DIRECT_IO_ALLOW_MMAP: Self

allow mmap for direct I/O files

pub const FUSE_PASSTHROUGH: Self

filesystem wants to use passthrough files

pub const FUSE_NO_EXPORT_SUPPORT: Self

filesystem does not support export

pub const FUSE_HAS_RESEND: Self

kernel supports resend requests

pub const FUSE_ALLOW_IDMAP: Self

allow idmapped mounts

pub const FUSE_OVER_IO_URING: Self

kernel supports io_uring for communication

pub const FUSE_REQUEST_TIMEOUT: Self

kernel supports request timeout

impl InitFlags

pub const fn empty() -> Self

Get a flags value with all bits unset.

pub const fn all() -> Self

Get a flags value with all known bits set.

pub const fn bits(&self) -> u64

Get the underlying bits value.

The returned value is exactly the bits set in this flags value.

pub const fn from_bits(bits: u64) -> Option<Self>

Convert from a bits value.

This method will return None if any unknown bits are set.

pub const fn from_bits_truncate(bits: u64) -> Self

Convert from a bits value, unsetting any unknown bits.

pub const fn from_bits_retain(bits: u64) -> Self

Convert from a bits value exactly.

pub fn from_name(name: &str) -> Option<Self>

Get a flags value with the bits of a flag with the given name set.

This method will return None if name is empty or doesn’t correspond to any named flag.

pub const fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.

pub const fn is_all(&self) -> bool

Whether all known bits in this flags value are set.

pub const fn intersects(&self, other: Self) -> bool

Whether any set bits in a source flags value are also set in a target flags value.

pub const fn contains(&self, other: Self) -> bool

Whether all set bits in a source flags value are also set in a target flags value.

pub fn insert(&mut self, other: Self)

The bitwise or (|) of the bits in two flags values.

pub fn remove(&mut self, other: Self)

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. remove won’t truncate other, but the ! operator will.

pub fn toggle(&mut self, other: Self)

The bitwise exclusive-or (^) of the bits in two flags values.

pub fn set(&mut self, other: Self, value: bool)

Call insert when value is true or remove when value is false.

pub const fn intersection(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

pub const fn union(self, other: Self) -> Self

The bitwise or (|) of the bits in two flags values.

pub const fn difference(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

pub const fn symmetric_difference(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

pub const fn complement(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

impl InitFlags

pub const fn iter(&self) -> Iter<InitFlags>

Yield a set of contained flags values.

Each yielded flags value will correspond to a defined named flag. Any unknown bits will be yielded together as a final flags value.

pub const fn iter_names(&self) -> IterNames<InitFlags>

Yield a set of contained named flags values.

This method is like iter, except only yields bits in contained named flags. Any unknown bits, or bits not corresponding to a contained flag will not be yielded.

Trait Implementations

impl Binary for InitFlags

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

Formats the value using the given formatter.

impl BitAnd for InitFlags

fn bitand(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

type Output = InitFlags

The resulting type after applying the & operator.

impl BitAndAssign for InitFlags

fn bitand_assign(&mut self, other: Self)

The bitwise and (&) of the bits in two flags values.

impl BitOr for InitFlags

fn bitor(self, other: InitFlags) -> Self

The bitwise or (|) of the bits in two flags values.

type Output = InitFlags

The resulting type after applying the | operator.

impl BitOrAssign for InitFlags

fn bitor_assign(&mut self, other: Self)

The bitwise or (|) of the bits in two flags values.

impl BitXor for InitFlags

fn bitxor(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

type Output = InitFlags

The resulting type after applying the ^ operator.

impl BitXorAssign for InitFlags

fn bitxor_assign(&mut self, other: Self)

The bitwise exclusive-or (^) of the bits in two flags values.

impl Clone for InitFlags

fn clone(&self) -> InitFlags

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for InitFlags

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

Formats the value using the given formatter.

impl Extend<InitFlags> for InitFlags

fn extend<T: IntoIterator<Item = Self>>(&mut self, iterator: T)

The bitwise or (|) of the bits in each flags value.

fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl Flags for InitFlags

const FLAGS: &'static [Flag<InitFlags>]

The set of defined flags.

type Bits = u64

The underlying bits type.

fn bits(&self) -> u64

Get the underlying bits value.

fn from_bits_retain(bits: u64) -> InitFlags

Convert from a bits value exactly.

fn empty() -> Self

Get a flags value with all bits unset.

fn all() -> Self

Get a flags value with all known bits set.

fn contains_unknown_bits(&self) -> bool

This method will return true if any unknown bits are set.

fn from_bits(bits: Self::Bits) -> Option<Self>

Convert from a bits value.

fn from_bits_truncate(bits: Self::Bits) -> Self

Convert from a bits value, unsetting any unknown bits.

fn from_name(name: &str) -> Option<Self>

Get a flags value with the bits of a flag with the given name set.

fn iter(&self) -> Iter<Self>

Yield a set of contained flags values.

fn iter_names(&self) -> IterNames<Self>

Yield a set of contained named flags values.

fn iter_defined_names() -> IterDefinedNames<Self>

Yield a set of all named flags defined by Self::FLAGS.

fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.

fn is_all(&self) -> bool

Whether all known bits in this flags value are set.

fn intersects(&self, other: Self) -> bool

where Self: Sized,

Whether any set bits in a source flags value are also set in a target flags value.

fn contains(&self, other: Self) -> bool

where Self: Sized,

Whether all set bits in a source flags value are also set in a target flags value.

fn truncate(&mut self)

where Self: Sized,

Remove any unknown bits from the flags.

fn insert(&mut self, other: Self)

where Self: Sized,

The bitwise or (|) of the bits in two flags values.

fn remove(&mut self, other: Self)

where Self: Sized,

The intersection of a source flags value with the complement of a target flags value (&!).

fn toggle(&mut self, other: Self)

where Self: Sized,

The bitwise exclusive-or (^) of the bits in two flags values.

fn set(&mut self, other: Self, value: bool)

where Self: Sized,

Call Flags::insert when value is true or Flags::remove when value is false.

fn clear(&mut self)

where Self: Sized,

Unsets all bits in the flags.

fn intersection(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

fn union(self, other: Self) -> Self

The bitwise or (|) of the bits in two flags values.

fn difference(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

fn symmetric_difference(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

fn complement(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

impl FromIterator<InitFlags> for InitFlags

fn from_iter<T: IntoIterator<Item = Self>>(iterator: T) -> Self

The bitwise or (|) of the bits in each flags value.

impl Hash for InitFlags

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 IntoIterator for InitFlags

type Item = InitFlags

The type of the elements being iterated over.

type IntoIter = Iter<InitFlags>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl LowerHex for InitFlags

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

Formats the value using the given formatter.

impl Not for InitFlags

fn not(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

type Output = InitFlags

The resulting type after applying the ! operator.

impl Octal for InitFlags

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

Formats the value using the given formatter.

impl PartialEq for InitFlags

fn eq(&self, other: &InitFlags) -> 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 PublicFlags for InitFlags

type Primitive = u64

The type of the underlying storage.

type Internal = InternalBitFlags

The type of the internal field on the generated flags type.

impl Sub for InitFlags

fn sub(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

type Output = InitFlags

The resulting type after applying the - operator.

impl SubAssign for InitFlags

fn sub_assign(&mut self, other: Self)

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

impl UpperHex for InitFlags

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

Formats the value using the given formatter.

impl Copy for InitFlags

impl Eq for InitFlags

impl StructuralPartialEq for InitFlags