Method lrs::file::File::advise

Advises the kernel that a range in the file will have a certain usage pattern.

Syntax

impl File {
    fn advise(&self, from: u64, to: Option<u64>, advice: Advice) -> Result<(), Errno>
}

Name	Description
from	The start of the range.
to	The end of the range.
advice	The advice given to the kernel.