Add note about filesystems to fs::rename

Fixes rust-lang#24816
Manishearth · May 26, 2015 · 577bbac · 577bbac
1 parent 6cd7486
commit 577bbac
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/libstd/fs.rs b/src/libstd/fs.rs
@@ -844,6 +844,8 @@ pub fn symlink_metadata<P: AsRef<Path>>(path: P) -> io::Result<Metadata> {
 
 /// Rename a file or directory to a new name.
 ///
+/// This will not work if the new name is on a different mount point.
+///
 /// # Errors
 ///
 /// This function will return an error if the provided `from` doesn't exist, if