Struct devicemapper::DmFlags

pub struct DmFlags { /* fields omitted */ }

Flags used by devicemapper.

Methods

impl DmFlags

const DM_READONLY: DmFlags

DM_READONLY: DmFlags = DmFlags{bits: 1 << 0,}

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

const DM_SUSPEND: DmFlags

DM_SUSPEND: DmFlags = DmFlags{bits: 1 << 1,}

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

const DM_PERSISTENT_DEV: DmFlags

DM_PERSISTENT_DEV: DmFlags = DmFlags{bits: 1 << 3,}

In: Use passed-in minor number.

const DM_STATUS_TABLE: DmFlags

DM_STATUS_TABLE: DmFlags = DmFlags{bits: 1 << 4,}

In: STATUS command returns table info instead of status.

const DM_ACTIVE_PRESENT: DmFlags

DM_ACTIVE_PRESENT: DmFlags = DmFlags{bits: 1 << 5,}

Out: Active table is present.

const DM_INACTIVE_PRESENT: DmFlags

DM_INACTIVE_PRESENT: DmFlags = DmFlags{bits: 1 << 6,}

Out: Inactive table is present.

const DM_BUFFER_FULL: DmFlags

DM_BUFFER_FULL: DmFlags = DmFlags{bits: 1 << 8,}

Out: Passed-in buffer was too small.

const DM_SKIP_BDGET: DmFlags

DM_SKIP_BDGET: DmFlags = DmFlags{bits: 1 << 9,}

Obsolete.

const DM_SKIP_LOCKFS: DmFlags

DM_SKIP_LOCKFS: DmFlags = DmFlags{bits: 1 << 10,}

In: Avoid freezing filesystem when suspending.

const DM_NOFLUSH: DmFlags

DM_NOFLUSH: DmFlags = DmFlags{bits: 1 << 11,}

In: Suspend without flushing queued I/Os.

const DM_QUERY_INACTIVE_TABLE: DmFlags

DM_QUERY_INACTIVE_TABLE: DmFlags = DmFlags{bits: 1 << 12,}

In: Query inactive table instead of active.

const DM_UEVENT_GENERATED: DmFlags

DM_UEVENT_GENERATED: DmFlags = DmFlags{bits: 1 << 13,}

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

const DM_UUID: DmFlags

DM_UUID: DmFlags = DmFlags{bits: 1 << 14,}

In: Rename affects UUID field, not name field.

const DM_SECURE_DATA: DmFlags

DM_SECURE_DATA: DmFlags = DmFlags{bits: 1 << 15,}

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

const DM_DATA_OUT: DmFlags

DM_DATA_OUT: DmFlags = DmFlags{bits: 1 << 16,}

Out: A message generated output data.

const DM_DEFERRED_REMOVE: DmFlags

DM_DEFERRED_REMOVE: DmFlags = DmFlags{bits: 1 << 17,}

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

const DM_INTERNAL_SUSPEND: DmFlags

DM_INTERNAL_SUSPEND: DmFlags = DmFlags{bits: 1 << 18,}

Out: Device is suspended internally.

fn empty() -> DmFlags

Returns an empty set of flags.

fn all() -> DmFlags

Returns the set containing all flags.

fn bits(&self) -> c_uint

Returns the raw value of the flags currently stored.

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.

fn from_bits_truncate(bits: c_uint) -> DmFlags

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

fn is_empty(&self) -> bool

Returns true if no flags are currently stored.

fn is_all(&self) -> bool

Returns true if all flags are currently set.

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

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

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

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

fn insert(&mut self, other: DmFlags)

Inserts the specified flags in-place.

fn remove(&mut self, other: DmFlags)

Removes the specified flags in-place.

fn toggle(&mut self, other: DmFlags)

Toggles the specified flags in-place.

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

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

Trait Implementations

impl Copy for DmFlags

impl PartialEq for DmFlags

fn eq(&self, __arg_0: &DmFlags) -> bool

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

fn ne(&self, __arg_0: &DmFlags) -> bool

This method tests for !=.

impl Eq 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 for DmFlags

fn partial_cmp(&self, __arg_0: &DmFlags) -> Option<Ordering>

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

fn lt(&self, __arg_0: &DmFlags) -> bool

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

fn le(&self, __arg_0: &DmFlags) -> bool

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

fn gt(&self, __arg_0: &DmFlags) -> bool

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

fn ge(&self, __arg_0: &DmFlags) -> bool

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

impl Ord for DmFlags

fn cmp(&self, __arg_0: &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.

impl Hash for DmFlags

fn hash<__H: Hasher>(&self, __arg_0: &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 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 Binary for DmFlags

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

Formats the value using the given formatter.

impl Octal 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.

impl BitOr 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 BitOrAssign for DmFlags

fn bitor_assign(&mut self, other: DmFlags)

Adds the set of flags.

impl BitXor 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 BitXorAssign for DmFlags

fn bitxor_assign(&mut self, other: DmFlags)

Toggles the set of flags.

impl BitAnd 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 BitAndAssign for DmFlags

fn bitand_assign(&mut self, other: DmFlags)

Disables all flags disabled in the set.

impl Sub 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 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 Extend<DmFlags> for DmFlags

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

Extends a collection with the contents of an iterator.

impl FromIterator<DmFlags> for DmFlags

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

Creates a value from an iterator.