Struct DmStackInfo

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pub struct DmStackInfo {Show 14 fields
    pub has_crypt: bool,
    pub has_integrity: bool,
    pub has_cache: bool,
    pub has_thin: bool,
    pub has_vdo: bool,
    pub has_stratis: bool,
    pub crypt_sector_size: u32,
    pub integrity_tag_size: u32,
    pub thin_pool_data_pct: f64,
    pub thin_pool_meta_pct: f64,
    pub stack_depth: u8,
    pub physical_block_size: u32,
    pub optimal_io_size: u32,
    pub base_device: Option<String>,
}

Expand description

Device-mapper stack layers detected beneath a filesystem.

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§has_crypt: bool

dm-crypt (LUKS) layer present

§has_integrity: bool

dm-integrity layer present

§has_cache: bool

dm-cache layer present

§has_thin: bool

LVM thin provisioning layer present

§has_vdo: bool

VDO (Virtual Data Optimizer) layer present

§has_stratis: bool

Stratis storage management layer present

§crypt_sector_size: u32

LUKS sector size (512 for LUKS1, 4096 for LUKS2)

§integrity_tag_size: u32

dm-integrity tag size in bytes

§thin_pool_data_pct: f64

Thin pool data usage percentage

§thin_pool_meta_pct: f64

Thin pool metadata usage percentage

§stack_depth: u8

Number of device-mapper layers in the stack

§physical_block_size: u32

Physical block size of the base device

§optimal_io_size: u32

Optimal I/O size reported by the base device

§base_device: Option<String>

Sysfs block device name of the bottom-most device (e.g. “nvme0n1”)

Trait Implementations§

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impl Clone for DmStackInfo

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fn clone(&self) -> DmStackInfo

Returns a duplicate of the value. Read more

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

Performs copy-assignment from source. Read more

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impl Debug for DmStackInfo

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

Formats the value using the given formatter. Read more

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impl Default for DmStackInfo

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl UnwindSafe for DmStackInfo

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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where T: ?Sized,

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Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

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

Performs copy-assignment from self to dest. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

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Calls U::from(self).

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Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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