refactor: refact the impl structure for different os

Author: Lzzzzzt

monoio/src/driver/op/statx.rs

@@ -1,5 +1,3 @@
-#[cfg(target_os = "linux")]
-use std::os::fd::AsRawFd;
 use std::{ffi::CString, mem::MaybeUninit, path::Path};
 
 #[cfg(all(target_os = "linux", feature = "iouring"))]
@@ -67,6 +65,8 @@ impl Op<FdStatx> {
 impl OpAble for FdStatx {
     #[cfg(all(target_os = "linux", feature = "iouring"))]
     fn uring_op(&mut self) -> io_uring::squeue::Entry {
+        use std::os::fd::AsRawFd;
+
         let statxbuf = self.statx_buf.as_mut_ptr() as *mut _;
 
         opcode::Statx::new(types::Fd(self.inner.as_raw_fd()), c"".as_ptr(), statxbuf)

monoio/src/fs/metadata/unix.rs

@@ -4,7 +4,7 @@ use crate::fs::{file_type::FileType, permissions::FilePermissions};
 
 pub(crate) struct FileAttr {
     #[cfg(target_os = "linux")]
-    pub(crate) stat: stat64,
+    pub(crate) stat: libc::stat64,
     #[cfg(target_os = "macos")]
     pub(crate) stat: libc::stat,
     #[cfg(target_os = "linux")]
@@ -33,16 +33,16 @@ impl FileAttr {
 /// Extra fields that are available in `statx` struct.
 #[cfg(target_os = "linux")]
 pub(crate) struct StatxExtraFields {
-    stx_mask: u32,
-    stx_btime: libc::statx_timestamp,
+    pub(crate) stx_mask: u32,
+    pub(crate) stx_btime: libc::statx_timestamp,
 }
 
 /// Convert a `statx` struct to not platform-specific `FileAttr`.
 /// Current implementation is only for Linux.
 #[cfg(target_os = "linux")]
-impl From<statx> for FileAttr {
-    fn from(buf: statx) -> Self {
-        let mut stat: stat64 = unsafe { std::mem::zeroed() };
+impl From<libc::statx> for FileAttr {
+    fn from(buf: libc::statx) -> Self {
+        let mut stat: libc::stat64 = unsafe { std::mem::zeroed() };
 
         stat.st_dev = libc::makedev(buf.stx_dev_major, buf.stx_dev_minor) as _;
         stat.st_ino = buf.stx_ino as libc::ino64_t;