Add more from the std

library/std/src/sys/io/kernel_copy/mod.rs

@@ -1,23 +0,0 @@
-pub enum CopyState {
-    #[cfg_attr(not(any(target_os = "linux", target_os = "android")), expect(dead_code))]
-    Ended(u64),
-    Fallback(u64),
-}
-
-cfg_select! {
-    any(target_os = "linux", target_os = "android") => {
-        mod linux;
-        pub use linux::kernel_copy;
-    }
-    _ => {
-        use crate::io::{Result, Read, Write};
-
-        pub fn kernel_copy<R: ?Sized, W: ?Sized>(_reader: &mut R, _writer: &mut W) -> Result<CopyState>
-        where
-            R: Read,
-            W: Write,
-        {
-            Ok(CopyState::Fallback(0))
-        }
-    }
-}

library/std/src/sys/io/kernel_copy/mod.rs

@@ -0,0 +1 @@
+/home/julien/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/io/kernel_copy/mod.rs