Struct devicemapper::DmFlags

pub struct DmFlags { /* fields omitted */ }

Flags used by devicemapper.

Methods

impl DmFlags

pub const DM_READONLY: DmFlags

In: Device should be read-only. Out: Device is read-only.

pub const DM_SUSPEND: DmFlags

In: Device should be suspended. Out: Device is suspended.

pub const DM_PERSISTENT_DEV: DmFlags

In: Use passed-in minor number.

pub const DM_STATUS_TABLE: DmFlags

In: STATUS command returns table info instead of status.

pub const DM_ACTIVE_PRESENT: DmFlags

Out: Active table is present.

pub const DM_INACTIVE_PRESENT: DmFlags

Out: Inactive table is present.

pub const DM_BUFFER_FULL: DmFlags

Out: Passed-in buffer was too small.

pub const DM_SKIP_BDGET: DmFlags

Obsolete.

pub const DM_SKIP_LOCKFS: DmFlags

In: Avoid freezing filesystem when suspending.

pub const DM_NOFLUSH: DmFlags

In: Suspend without flushing queued I/Os.

pub const DM_QUERY_INACTIVE_TABLE: DmFlags

In: Query inactive table instead of active.

pub const DM_UEVENT_GENERATED: DmFlags

Out: A uevent was generated, the caller may need to wait for it.

pub const DM_UUID: DmFlags

In: Rename affects UUID field, not name field.

pub const DM_SECURE_DATA: DmFlags

In: All buffers are wiped after use. Use when handling crypto keys.

pub const DM_DATA_OUT: DmFlags

Out: A message generated output data.

pub const DM_DEFERRED_REMOVE: DmFlags

In: Do not remove in-use devices. Out: Device scheduled to be removed when closed.

pub const DM_INTERNAL_SUSPEND: DmFlags

Out: Device is suspended internally.

pub const fn empty() -> DmFlags

Returns an empty set of flags

pub const fn all() -> DmFlags

Returns the set containing all flags.

pub const fn bits(&self) -> c_uint

Returns the raw value of the flags currently stored.

pub fn from_bits(bits: c_uint) -> Option<DmFlags>

Convert from underlying bit representation, unless that representation contains bits that do not correspond to a flag.

pub const fn from_bits_truncate(bits: c_uint) -> DmFlags

Convert from underlying bit representation, dropping any bits that do not correspond to flags.

pub const fn is_empty(&self) -> bool

Returns true if no flags are currently stored.

pub const fn is_all(&self) -> bool

Returns true if all flags are currently set.

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

Returns true if there are flags common to both self and other.

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

Returns true all of the flags in other are contained within self.

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

Inserts the specified flags in-place.

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

Removes the specified flags in-place.

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

Toggles the specified flags in-place.

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

Inserts or removes the specified flags depending on the passed value.

Trait Implementations

impl Eq for DmFlags

impl Extend<DmFlags> for DmFlags

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

Extends a collection with the contents of an iterator.

impl Ord for DmFlags

fn cmp(&self, other: &DmFlags) -> Ordering

This method returns an Ordering between self and other.

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

Compares and returns the maximum of two values.

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

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

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

Restrict a value to a certain interval.

impl PartialEq<DmFlags> for DmFlags

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Copy for DmFlags

impl Clone for DmFlags

fn clone(&self) -> DmFlags

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialOrd<DmFlags> for DmFlags

fn partial_cmp(&self, other: &DmFlags) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &DmFlags) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &DmFlags) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &DmFlags) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &DmFlags) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Default for DmFlags

fn default() -> DmFlags

Returns the "default value" for a type.

impl Debug for DmFlags

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

Formats the value using the given formatter.

impl Sub<DmFlags> for DmFlags

type Output = DmFlags

The resulting type after applying the - operator.

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

Returns the set difference of the two sets of flags.

impl SubAssign<DmFlags> for DmFlags

fn sub_assign(&mut self, other: DmFlags)

Disables all flags enabled in the set.

impl Not for DmFlags

type Output = DmFlags

The resulting type after applying the ! operator.

fn not(self) -> DmFlags

Returns the complement of this set of flags.

impl BitAnd<DmFlags> for DmFlags

type Output = DmFlags

The resulting type after applying the & operator.

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

Returns the intersection between the two sets of flags.

impl BitOr<DmFlags> for DmFlags

type Output = DmFlags

The resulting type after applying the | operator.

fn bitor(self, other: DmFlags) -> DmFlags

Returns the union of the two sets of flags.

impl BitXor<DmFlags> for DmFlags

type Output = DmFlags

The resulting type after applying the ^ operator.

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

Returns the left flags, but with all the right flags toggled.

impl BitAndAssign<DmFlags> for DmFlags

fn bitand_assign(&mut self, other: DmFlags)

Disables all flags disabled in the set.

impl BitOrAssign<DmFlags> for DmFlags

fn bitor_assign(&mut self, other: DmFlags)

Adds the set of flags.

impl BitXorAssign<DmFlags> for DmFlags

fn bitxor_assign(&mut self, other: DmFlags)

Toggles the set of flags.

impl Hash for DmFlags

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, 

Feeds a slice of this type into the given [Hasher].

impl FromIterator<DmFlags> for DmFlags

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

Creates a value from an iterator.

impl Octal for DmFlags

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

Formats the value using the given formatter.

impl Binary for DmFlags

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

Formats the value using the given formatter.

impl LowerHex for DmFlags

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

Formats the value using the given formatter.

impl UpperHex for DmFlags

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

Formats the value using the given formatter.