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Merge branch '12315-exclude-child-procs'
[arvados.git]
/
services
/
fuse
/
arvados_fuse
/
fresh.py
diff --git
a/services/fuse/arvados_fuse/fresh.py
b/services/fuse/arvados_fuse/fresh.py
index 532f110940c56a4e3a106ec6877162e7146a87f6..2a3a19c54c66005a6f96cd8d1dbd6de3c6345aad 100644
(file)
--- 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
import time
import ciso8601
import calendar
@@
-55,6
+59,10
@@
class FreshBase(object):
* Clear the object contents (invalidates the object)
"""
* Clear the object contents (invalidates the object)
"""
+
+ __slots__ = ("_stale", "_poll", "_last_update", "_atime", "_poll_time", "use_count",
+ "ref_count", "dead", "cache_size", "cache_uuid", "allow_attr_cache")
+
def __init__(self):
self._stale = True
self._poll = False
def __init__(self):
self._stale = True
self._poll = False
@@
-64,11
+72,11
@@
class FreshBase(object):
self.use_count = 0
self.ref_count = 0
self.dead = False
self.use_count = 0
self.ref_count = 0
self.dead = False
- self.cache_priority = None
self.cache_size = 0
self.cache_uuid = None
self.cache_size = 0
self.cache_uuid = None
+
+ # Can the kernel cache attributes?
self.allow_attr_cache = True
self.allow_attr_cache = True
- self.allow_dirent_cache = True
def invalidate(self):
"""Indicate that object contents should be refreshed from source."""
def invalidate(self):
"""Indicate that object contents should be refreshed from source."""
@@
-116,8
+124,17
@@
class FreshBase(object):
self.ref_count -= n
return self.ref_count
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
def objsize(self):
return 0
@@
-127,3
+144,16
@@
class FreshBase(object):
def finalize(self):
pass
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