fix(fs,unix): set_permissions might change permission of wrong file

Author: Berrysoft

compio-fs/src/file.rs

@@ -95,11 +95,12 @@ impl File {
     /// Changes the permissions on the underlying file.
     #[cfg(unix)]
     pub async fn set_permissions(&self, perm: Permissions) -> io::Result<()> {
+        use compio_driver::syscall;
         use std::os::unix::fs::PermissionsExt;
 
-        let fd = self.as_raw_fd() as _;
+        let file = self.inner.try_clone()?;
         compio_runtime::spawn_blocking(move || {
-            syscall!(libc::fchmod(fd, perm.mode() as libc::mode_t))?;
+            syscall!(libc::fchmod(file.as_raw_fd(), perm.mode() as libc::mode_t))?;
             Ok(())
         })
         .await

compio-fs/src/metadata/mod.rs

@@ -147,7 +147,7 @@ impl Metadata {
 #[cfg(unix)]
 impl Metadata {
     /// Create from [`libc::statx`]
-    pub fn from_stat(stat: libc::statx) -> Self {
+    pub fn from_stat(stat: libc::stat) -> Self {
         Self(sys::Metadata::from_stat(stat))
     }
 }