Add mode to open operation

src/main.rs

@@ -1,6 +1,6 @@
 use std::{
     collections::HashMap,
-    os::mikros::{ipc, syscalls, Errno},
+    os::mikros::{ipc, syscalls, Errno, FileOpenMode},
     sync::Arc,
 };
 
@@ -18,10 +18,10 @@ impl fs_rpc::Server for Serv {
         Ok(0)
     }
 
-    fn open(&self, path: &std::path::Path, _mount_id: u64) -> Result<(Option<u64>, u64), Errno> {
+    fn open(&self, path: &std::path::Path, mode: FileOpenMode, _mount_id: u64) -> Result<(Option<u64>, u64), Errno> {
         let name = path.to_str().ok_or(Errno::EINVALDAT)?;
         let device_pid = *self.devices.read().get(name).ok_or(Errno::ENOENT)?;
-        let fd = dev_driver_rpc::Client::new(device_pid).open(path)?;
+        let fd = dev_driver_rpc::Client::new(device_pid).open(path, mode)?;
         Ok((Some(device_pid), fd))
     }