Keep it simple

Do not check original status response before
updating container meta.

middlewares/last_modified.py

@@ -18,7 +18,6 @@
 
 import time
 from swift.common.utils import get_logger
-from swift.common.http import is_success
 from swift.common.swob import wsgify
 from swift.common.wsgi import make_pre_authed_request
 
@@ -74,14 +73,10 @@ class LastModifiedMiddleware(object):
         if (req.method in ('POST', 'PUT') and
                 container or req.method == 'DELETE' and obj):
             new_env = req.environ.copy()
+            # Keep it simple and do not check original request
+            # response status before updating the container meta
             user_resp = self.req_passthrough(req)
-            if is_success(user_resp.status_int):
-                # Update Container Meta Last-Modified in case of
-                # successful request
-                update_resp = self.update_last_modified_meta(req,
-                                                             new_env)
-                if is_success(update_resp.status_int):
-                    self.logger.info('Unable to update Meta Last-Modified')
+            self.update_last_modified_meta(req, new_env)
             return user_resp
         return self.app