X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/232cace27f60dbac0f46a9113a4b19a561689f4c..e19efd044f4aa88af59f35f43c9b1118df36efc0:/services/fuse/arvados_fuse/fresh.py

diff --git a/services/fuse/arvados_fuse/fresh.py b/services/fuse/arvados_fuse/fresh.py
index 532f110940..a51dd909b6 100644
--- a/services/fuse/arvados_fuse/fresh.py
+++ b/services/fuse/arvados_fuse/fresh.py
@@ -1,3 +1,7 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
 import time
 import ciso8601
 import calendar
@@ -64,7 +68,6 @@ class FreshBase(object):
         self.use_count = 0
         self.ref_count = 0
         self.dead = False
-        self.cache_priority = None
         self.cache_size = 0
         self.cache_uuid = None
         self.allow_attr_cache = True
@@ -116,8 +119,17 @@ class FreshBase(object):
         self.ref_count -= n
         return self.ref_count
 
-    def has_ref(self, only_children=False):
-        return self.ref_count > 0
+    def has_ref(self, only_children):
+        """Determine if there are any kernel references to this
+        object or its children.
+
+        If only_children is True, ignore refcount of self and only consider
+        children.
+        """
+        if only_children:
+            return False
+        else:
+            return self.ref_count > 0
 
     def objsize(self):
         return 0
@@ -127,3 +139,6 @@ class FreshBase(object):
 
     def finalize(self):
         pass
+
+    def child_event(self, ev):
+        pass