From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Fri, 22 Dec 2017 02:45:15 +0000 (+0800)
Subject: osd/OSDMap.h: toss osd out if it has no more pending states
X-Git-Tag: v13.0.2~553^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F19642%2Fhead;p=ceph.git

osd/OSDMap.h: toss osd out if it has no more pending states

So we don't push an empty entry into new_state map,
which is inefficient.

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

diff --git a/src/osd/OSDMap.h b/src/osd/OSDMap.h
index fd1f381d90c..bfebdaedbdf 100644
--- a/src/osd/OSDMap.h
+++ b/src/osd/OSDMap.h
@@ -480,6 +480,10 @@ public:
       }
 
       new_state[osd] &= ~state;
+      if (!new_state[osd]) {
+        // all flags cleared
+        new_state.erase(osd);
+      }
       return true;
     }