X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/b5d352d6099b60db5dcdd9183dcab3e8e17d729e..fb769214f5b4bc1f36ee85fba33225e73dbf66de:/sdk/python/arvados/arvfile.py

diff --git a/sdk/python/arvados/arvfile.py b/sdk/python/arvados/arvfile.py
index 2c653d7f09..f4580f346b 100644
--- a/sdk/python/arvados/arvfile.py
+++ b/sdk/python/arvados/arvfile.py
@@ -1,3 +1,7 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 from __future__ import absolute_import
 from __future__ import division
 from future import standard_library
@@ -799,7 +803,7 @@ class _BlockManager(object):
             if v.state() != _BufferBlock.COMMITTED and v.owner:
                 # Ignore blocks with a list of owners, as if they're not in COMMITTED
                 # state, they're already being committed asynchronously.
-                if not isinstance(v.owner, list):
+                if isinstance(v.owner, ArvadosFile):
                     v.owner.flush(sync=False)
 
         with self.lock:
@@ -824,7 +828,7 @@ class _BlockManager(object):
                     # of repacking small blocks, so don't delete it when flushing
                     # its owners, just do it after flushing them all.
                     for owner in v.owner:
-                        owner.flush(sync=True, delete_bufferblock=False)
+                        owner.flush(sync=True)
                     self.delete_bufferblock(k)
 
     def block_prefetch(self, locator):
@@ -862,6 +866,9 @@ class ArvadosFile(object):
 
     """
 
+    __slots__ = ('parent', 'name', '_writers', '_committed',
+                 '_segments', 'lock', '_current_bblock', 'fuse_entry')
+
     def __init__(self, parent, name, stream=[], segments=[]):
         """
         ArvadosFile constructor.
@@ -1129,7 +1136,7 @@ class ArvadosFile(object):
         return len(data)
 
     @synchronized
-    def flush(self, sync=True, num_retries=0, delete_bufferblock=True):
+    def flush(self, sync=True, num_retries=0):
         """Flush the current bufferblock to Keep.
 
         :sync:
@@ -1155,8 +1162,10 @@ class ArvadosFile(object):
                         self.parent._my_block_manager().commit_bufferblock(bb, sync=True)
                     to_delete.add(s.locator)
                     s.locator = bb.locator()
-            if delete_bufferblock:
-                for s in to_delete:
+            for s in to_delete:
+                # Don't delete the bufferblock if it's owned by many files. It'll be
+                # deleted after all of its owners are flush()ed.
+                if self.parent._my_block_manager().get_bufferblock(s).owner is self:
                     self.parent._my_block_manager().delete_bufferblock(s)
 
         self.parent.notify(MOD, self.parent, self.name, (self, self))