X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/0eb72b526bf8bbb011551ecf019f604e17a534f1..aa541480ba27f2dfec85cbe4f07c07743bb901b2:/services/fuse/arvados_fuse/fusefile.py

diff --git a/services/fuse/arvados_fuse/fusefile.py b/services/fuse/arvados_fuse/fusefile.py
index 8189a19742..cedb4fb451 100644
--- a/services/fuse/arvados_fuse/fusefile.py
+++ b/services/fuse/arvados_fuse/fusefile.py
@@ -15,6 +15,8 @@ _logger = logging.getLogger('arvados.arvados_fuse')
 class File(FreshBase):
     """Base for file objects."""
 
+    __slots__ = ("inode", "parent_inode", "_mtime")
+
     def __init__(self, parent_inode, _mtime=0):
         super(File, self).__init__()
         self.inode = None
@@ -46,6 +48,8 @@ class File(FreshBase):
 class FuseArvadosFile(File):
     """Wraps a ArvadosFile."""
 
+    __slots__ = ('arvfile',)
+
     def __init__(self, parent_inode, arvfile, _mtime):
         super(FuseArvadosFile, self).__init__(parent_inode, _mtime)
         self.arvfile = arvfile
@@ -122,12 +126,11 @@ class FuncToJSONFile(StringFile):
         super(FuncToJSONFile, self).__init__(parent_inode, "", 0)
         self.func = func
 
-        # invalidate_inode() and invalidate_entry() are asynchronous
-        # with no callback to wait for. In order to guarantee
-        # userspace programs don't get stale data that was generated
-        # before the last invalidate(), we must disallow dirent
+        # invalidate_inode() is asynchronous with no callback to wait for. In
+        # order to guarantee userspace programs don't get stale data that was
+        # generated before the last invalidate(), we must disallow inode
         # caching entirely.
-        self.allow_dirent_cache = False
+        self.allow_attr_cache = False
 
     def size(self):
         self._update()