From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Mon, 14 Aug 2017 06:13:59 +0000 (+0800)
Subject: crush: fix bucket_add_item() won't update weight-set simultaneously
X-Git-Tag: v13.0.0~13^2~5
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=475bddab51931ca3d5ade6cf62b43e9dbb9a5b3e;p=ceph.git

crush: fix bucket_add_item() won't update weight-set simultaneously

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
---

diff --git a/src/crush/CrushWrapper.cc b/src/crush/CrushWrapper.cc
index a5519e2d4aa5..dc97f7f1347c 100644
--- a/src/crush/CrushWrapper.cc
+++ b/src/crush/CrushWrapper.cc
@@ -1747,8 +1747,8 @@ int CrushWrapper::bucket_add_item(crush_bucket *bucket, int item, int weight)
   if (r < 0) {
     return r;
   }
-  for (auto w : choose_args) {
-    crush_choose_arg_map arg_map = w.second;
+  for (auto &w : choose_args) {
+    crush_choose_arg_map &arg_map = w.second;
     crush_choose_arg *arg = &arg_map.args[-1-bucket->id];
     for (__u32 j = 0; j < arg->weight_set_size; j++) {
       crush_weight_set *weight_set = &arg->weight_set[j];