Function fadvise

Source
pub fn fadvise<Fd: AsFd>(
    fd: Fd,
    offset: u64,
    len: Option<NonZeroU64>,
    advice: Advice,
) -> Result<()>
Available on crate feature fs only.
Expand description

posix_fadvise(fd, offset, len, advice)—Declares an expected access pattern for a file.

If len is None, the advice extends to the end of the file.

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