update comments

Author: OussamaSaoudi

kernel/src/log_replay/deduplicator.rs

@@ -5,8 +5,8 @@
 //! - **JSON commit files** (`is_log_batch = true`): Tracks (path, dv_unique_id) and updates
 //!   the hashmap as files are seen. Implementation: [`FileActionDeduplicator`]
 //!
-//! - **Checkpoint files** (`is_log_batch = false`): Uses a read-only Tracks (path, dv_unique_id)
-//!   hashmap pre-populated from the commit log phase. Future implementation.
+//! - **Checkpoint files** (`is_log_batch = false`): Uses (path, dv_unique_id) to filter actions
+//!   using a read-only hashmap pre-populated from the commit log phase. Future implementation.
 //!
 //! [`FileActionDeduplicator`]: crate::log_replay::FileActionDeduplicator
 
@@ -17,8 +17,7 @@ use crate::{
 };
 
 pub(crate) trait Deduplicator {
-    /// Key type for identifying file actions. JSON deduplicators use `FileActionKey`
-    /// (path + dv_unique_id), checkpoint deduplicators may use path-only keys.
+    /// Key type for identifying file actions.
     type Key;
 
     /// Extracts a file action key from the data. Returns `(key, is_add)` if found.