usrbio/
iov.rs

1use super::*;
2use std::{ffi::CString, ops::Deref, os::unix::ffi::OsStrExt, path::Path};
3
4#[repr(C)]
5pub struct Iov {
6    iov: hf3fs_iov,
7}
8
9impl Iov {
10    pub fn create(
11        mount_point: &Path,
12        buf_size: usize,
13        block_size: usize,
14        numa: i32,
15    ) -> Result<Self> {
16        let c_str = CString::new(mount_point.as_os_str().as_bytes()).unwrap();
17
18        let mut iov = hf3fs_iov::default();
19        let ret =
20            unsafe { hf3fs_iovcreate(&mut iov, c_str.as_ptr() as _, buf_size, block_size, numa) };
21
22        if ret == 0 {
23            Ok(Self { iov })
24        } else {
25            Err(Error::CretateIovFailed(-ret))
26        }
27    }
28}
29
30impl Drop for Iov {
31    fn drop(&mut self) {
32        unsafe { hf3fs_iovdestroy(&mut self.iov) };
33    }
34}
35
36impl Deref for Iov {
37    type Target = hf3fs_iov;
38
39    fn deref(&self) -> &Self::Target {
40        &self.iov
41    }
42}
43
44unsafe impl Send for Iov {}
45unsafe impl Sync for Iov {}
usrbio/iov.rs

usrbio/
iov.rs
