symlinks

Signed-off-by: Fabien Parent <fabien.parent@linaro.org>

Author: Fabo

samples/rust/rust_debugfs.rs

@@ -66,6 +66,7 @@ debugfs::attribute_signed!(IncAttribute, "%#d\n");
 struct RustDebugfs {
     _sample_file: debugfs::PinnedRegistration,
     _inc_attribute: debugfs::PinnedRegistration<Arc<IncAttribute>>,
+    _symlink: debugfs::Registration<()>,
 }
 impl kernel::Module for RustDebugfs {
     fn init(_module: &'static ThisModule) -> Result<Self> {
@@ -81,6 +82,12 @@ impl kernel::Module for RustDebugfs {
             Some(dir.clone()),
         )?;
 
+        let symlink = debugfs::Registration::register_symlink(
+            c_str!("sample_symlink"),
+            Some(dir.clone()),
+            c_str!("sample"),
+        )?;
+
         let attribute = Arc::pin_init(pin_init!(IncAttribute {
             data <- kernel::new_spinlock!(0x42),
         }))?;
@@ -93,6 +100,7 @@ impl kernel::Module for RustDebugfs {
         Ok(Self {
             _sample_file: sample_file,
             _inc_attribute: inc_attribute,
+            _symlink: symlink,
         })
     }
 }