From f1290e8080e79ccb7ba8af9b749319fa548aec3c Mon Sep 17 00:00:00 2001
From: Florian Hines <florian.hines@gmail.com>
Date: Thu, 8 Mar 2012 04:47:00 +0000
Subject: [PATCH] Create tmpfile in the same dir as the cache file

Make sure we don't try to rename files across devices. Fixes bug 949366

Change-Id: I75581a0682c8db90cad9b077b1c22a886d234e31
---
 swift/common/utils.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/swift/common/utils.py b/swift/common/utils.py
index ecf8558b6b..c7c752e33f 100644
--- a/swift/common/utils.py
+++ b/swift/common/utils.py
@@ -1099,7 +1099,8 @@ def dump_recon_cache(cache_key, cache_value, cache_file, lock_timeout=2):
             pass
         cache_entry[cache_key] = cache_value
         try:
-            with NamedTemporaryFile(delete=False) as tf:
+            with NamedTemporaryFile(dir=os.path.dirname(cache_file),
+                                    delete=False) as tf:
                 tf.write(json.dumps(cache_entry) + '\n')
             os.rename(tf.name, cache_file)
         finally: