1 files changed, 7 insertions, 0 deletions
diff --git a/src/tools/cephfs_mirror/Watcher.h b/src/tools/cephfs_mirror/Watcher.h
index 9e7c54eebbb..a0c51401170 100644
--- a/src/tools/cephfs_mirror/Watcher.h
+++ b/src/tools/cephfs_mirror/Watcher.h
@@ -28,6 +28,13 @@ public:
   void register_watch(Context *on_finish);
   void unregister_watch(Context *on_finish);
 
+  struct ErrorListener {
+    virtual ~ErrorListener() {
+    }
+    virtual void set_blocklisted_ts() = 0;
+    virtual void set_failed_ts() = 0;
+  };
+
 protected:
   std::string m_oid;