X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/916d57c9fe68a9e12472e4d174d38d93086c6529..24696c5a7411f66b2b1b1a677c60907629f209e9:/services/fuse/arvados_fuse/fresh.py

diff --git a/services/fuse/arvados_fuse/fresh.py b/services/fuse/arvados_fuse/fresh.py
index e7e91db427..8b680f0663 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
@@ -66,8 +70,9 @@ class FreshBase(object):
         self.dead = False
         self.cache_size = 0
         self.cache_uuid = None
+
+        # Can the kernel cache attributes?
         self.allow_attr_cache = True
-        self.allow_dirent_cache = True
 
     def invalidate(self):
         """Indicate that object contents should be refreshed from source."""
@@ -135,3 +140,16 @@ class FreshBase(object):
 
     def finalize(self):
         pass
+
+    def child_event(self, ev):
+        pass
+
+    def time_to_next_poll(self):
+        if self._poll:
+            t = (self._last_update + self._poll_time) - self._atime
+            if t < 0:
+                return 0
+            else:
+                return t
+        else:
+            return self._poll_time