From: Yan, Zheng <zyan@redhat.com>
Date: Tue, 20 Jun 2017 09:38:18 +0000 (+0800)
Subject: mds: don't export dirfrag to stopping mds
X-Git-Tag: v12.1.0~5^2~1
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=8f9261fa98e3d48b07bf569d6698e9944f673ba4;p=ceph.git

mds: don't export dirfrag to stopping mds

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
---

diff --git a/src/mds/Migrator.cc b/src/mds/Migrator.cc
index c3f807156014b..207e747f43a3d 100644
--- a/src/mds/Migrator.cc
+++ b/src/mds/Migrator.cc
@@ -781,6 +781,10 @@ void Migrator::export_dir(CDir *dir, mds_rank_t dest)
     dout(7) << "read-only FS, no exports for now" << dendl;
     return;
   }
+  if (!mds->mdsmap->is_active(dest)) {
+    dout(7) << "dest not active, no exports for now" << dendl;
+    return;
+  }
   if (mds->is_cluster_degraded()) {
     dout(7) << "cluster degraded, no exports for now" << dendl;
     return;