1 files changed, 59 insertions, 0 deletions
diff --git a/samples/rust/rust_fs.rs b/samples/rust/rust_fs.rs
new file mode 100644
index 000000000000..064ead97dd98
--- /dev/null
+++ b/samples/rust/rust_fs.rs
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0
+
+//! Rust file system sample.
+
+use kernel::prelude::*;
+use kernel::{c_str, fs};
+
+module_fs! {
+    type: RustFs,
+    name: "rust_fs",
+    author: "Rust for Linux Contributors",
+    license: "GPL",
+}
+
+struct RustFs;
+
+#[vtable]
+impl fs::Context<Self> for RustFs {
+    type Data = ();
+
+    kernel::define_fs_params! {(),
+        {flag, "flag", |_, v| { pr_info!("flag passed-in: {v}\n"); Ok(()) } },
+        {flag_no, "flagno", |_, v| { pr_info!("flagno passed-in: {v}\n"); Ok(()) } },
+        {bool, "bool", |_, v| { pr_info!("bool passed-in: {v}\n"); Ok(()) } },
+        {u32, "u32", |_, v| { pr_info!("u32 passed-in: {v}\n"); Ok(()) } },
+        {u32oct, "u32oct", |_, v| { pr_info!("u32oct passed-in: {v}\n"); Ok(()) } },
+        {u32hex, "u32hex", |_, v| { pr_info!("u32hex passed-in: {v}\n"); Ok(()) } },
+        {s32, "s32", |_, v| { pr_info!("s32 passed-in: {v}\n"); Ok(()) } },
+        {u64, "u64", |_, v| { pr_info!("u64 passed-in: {v}\n"); Ok(()) } },
+        {string, "string", |_, v| { pr_info!("string passed-in: {v}\n"); Ok(()) } },
+        {enum, "enum", [("first", 10), ("second", 20)], |_, v| {
+            pr_info!("enum passed-in: {v}\n"); Ok(()) }
+        },
+    }
+
+    fn try_new() -> Result {
+        pr_info!("context created!\n");
+        Ok(())
+    }
+}
+
+impl fs::Type for RustFs {
+    type Context = Self;
+    const SUPER_TYPE: fs::Super = fs::Super::Independent;
+    const NAME: &'static CStr = c_str!("rustfs");
+    const FLAGS: i32 = fs::flags::USERNS_MOUNT;
+
+    fn fill_super(_data: (), sb: fs::NewSuperBlock<'_, Self>) -> Result<&fs::SuperBlock<Self>> {
+        let sb = sb.init(
+            (),
+            &fs::SuperParams {
+                magic: 0x72757374,
+                ..fs::SuperParams::DEFAULT
+            },
+        )?;
+        let sb = sb.init_root()?;
+        Ok(sb)
+    }
+}