From: Yan, Zheng <zyan@redhat.com>
Date: Thu, 19 Jan 2017 07:24:54 +0000 (+0800)
Subject: mds: add authority check for delay dirfrag split
X-Git-Tag: v12.0.0~135^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F12994%2Fhead;p=ceph.git

mds: add authority check for delay dirfrag split

the dirfrag can be migareted to other mds while waiting in the
timer.

Fixes: http://tracker.ceph.com/issues/18487
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
---

diff --git a/src/mds/MDBalancer.cc b/src/mds/MDBalancer.cc
index e16c40964eb5b..f3df8f1d2d2ec 100644
--- a/src/mds/MDBalancer.cc
+++ b/src/mds/MDBalancer.cc
@@ -400,6 +400,10 @@ void MDBalancer::queue_split(const CDir *dir, bool fast)
       dout(10) << "drop split on " << frag << " because not in cache" << dendl;
       return;
     }
+    if (!split_dir->is_auth()) {
+      dout(10) << "drop split on " << frag << " because non-auth" << dendl;
+      return;
+    }
 
     // Pass on to MDCache: note that the split might still not
     // happen if the checks in MDCache::can_fragment fail.