io_uring::opcode

Struct Fallocate

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pub struct Fallocate { /* private fields */ }
Expand description

Preallocate or deallocate space to a file, equivalent to fallocate(2).

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impl Fallocate

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pub const CODE: u8 = 17u8

The opcode of the operation. This can be passed to Probe::is_supported to check if this operation is supported with the current kernel.

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pub fn new(fd: impl UseFixed, len: u64) -> Self

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pub const fn offset(self, offset: u64) -> Self

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pub const fn mode(self, mode: i32) -> Self

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pub fn build(self) -> Entry

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

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impl<T> Borrow<T> for T
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

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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, 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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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

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

Performs the conversion.