Add mkdir call

Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "atomic-polyfill"
@@ -193,14 +193,14 @@ checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
 
 [[package]]
 name = "serde"
-version = "1.0.210"
+version = "1.0.218"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.210"
+version = "1.0.218"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -230,9 +230,9 @@ checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
 
 [[package]]
 name = "syn"
-version = "2.0.79"
+version = "2.0.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89132cd0bf050864e1d38dc3bbc07a0eb8e7530af26344d3d2bbbef83499f590"
+checksum = "25aa4ce346d03a6dcd68dd8b4010bcb74e54e62c90c573f394c46eae99aba32d"
 dependencies = [
  "proc-macro2",
  "quote",

src/lib.rs

@@ -15,6 +15,7 @@ pub trait Server: Send + Sync {
     fn mount(&self, dev: &Path) -> Result<u64, Errno>;
     fn open(&self, path: &Path, mode: FileOpenMode, mount_id: u64) -> Result<(Option<u64>, u64), Errno>;
     fn open_dir(&self, path: &Path, mount_id: u64) -> Result<(Option<u64>, u64), Errno>;
+    fn mkdir(&self, path: &Path, mount_id: u64) -> Result<(), Errno>;
 }
 
 #[derive(Copy, Clone)]
@@ -58,6 +59,19 @@ impl Client {
         )
         .unwrap()
     }
+
+    pub fn mkdir(self, path: &Path, mount_id: u64) -> Result<(), Errno> {
+        postcard::from_bytes(
+            &rpc::send_call(
+                self.0,
+                PROTO,
+                3,
+                &postcard::to_stdvec(&(path, mount_id)).unwrap(),
+            )
+            .get_return(),
+        )
+        .unwrap()
+    }
 }
 
 pub fn register_server(server: Box<dyn Server>) {
@@ -85,5 +99,9 @@ fn callback(call: IncomingCall) {
         let (path, mount_id) = postcard::from_bytes(call.args()).unwrap();
         let ret = postcard::to_stdvec(&server.open_dir(path, mount_id)).unwrap();
         call.send_return(&ret);
+    } else if call.func == 3 {
+        let (path, mount_id) = postcard::from_bytes(call.args()).unwrap();
+        let ret = postcard::to_stdvec(&server.mkdir(path, mount_id)).unwrap();
+        call.send_return(&ret);
     }
 }