Lint

Author: rkuris

storage/src/linear/filebacked.rs

@@ -115,7 +115,7 @@ impl ReadableStorage for FileBacked {
     }
 
     fn read_cached_node(&self, addr: LinearAddress, mode: &'static str) -> Option<SharedNode> {
-        let mut guard = self.cache.read().expect("poisoned lock");
+        let guard = self.cache.read().expect("poisoned lock");
         let cached = guard.get(&addr).cloned();
         counter!("firewood.cache.node", "mode" => mode, "type" => if cached.is_some() { "hit" } else { "miss" })
             .increment(1);