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QgroupInfo

btrfs_disk::items

Struct QgroupInfo 

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pub struct QgroupInfo {
    pub generation: u64,
    pub referenced: u64,
    pub referenced_compressed: u64,
    pub exclusive: u64,
    pub exclusive_compressed: u64,
}
Expand description

Quota group accounting info.

Key: (level/subvolid, QGROUP_INFO, 0). Tracks how much space a qgroup references and how much is exclusive to it.

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§generation: u64

Generation when this info was last updated.

§referenced: u64

Total bytes referenced by this qgroup (shared + exclusive).

§referenced_compressed: u64

Referenced bytes after compression.

§exclusive: u64

Bytes used exclusively by this qgroup.

§exclusive_compressed: u64

Exclusive bytes after compression.

Implementations§

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impl QgroupInfo

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pub fn parse(data: &[u8]) -> Option<Self>

Parse a qgroup info item from a raw byte buffer.

Trait Implementations§

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impl Clone for QgroupInfo

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fn clone(&self) -> QgroupInfo

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 QgroupInfo

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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<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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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
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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, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same for T

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type Output = T

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

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

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impl<T, U> TryFrom<U> for T
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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.