From 4b15fb267075daa07fd6dbcd74b38d58ffef5510 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Tue, 23 Feb 2021 09:15:01 -0600
Subject: [PATCH] crush/CrushWrapper: rebuild shadow tree on 'osd crush
 reweight-subtree'

Signed-off-by: Sage Weil <sage@newdream.net>
(cherry picked from commit 9115c62ad2239d5122d8cd73cece54c1b122487a)
---
 src/crush/CrushWrapper.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/crush/CrushWrapper.cc b/src/crush/CrushWrapper.cc
index e9799b442c8..064c4c9b916 100644
--- a/src/crush/CrushWrapper.cc
+++ b/src/crush/CrushWrapper.cc
@@ -1616,6 +1616,12 @@ int CrushWrapper::adjust_subtree_weight(CephContext *cct, int id, int weight,
       }
     }
   }
+  int ret = rebuild_roots_with_classes(cct);
+  if (ret < 0) {
+    ldout(cct, 0) << __func__ << " unable to rebuild roots with classes: "
+		  << cpp_strerror(ret) << dendl;
+    return ret;
+  }
   return changed;
 }
 
-- 
2.47.3