From: Yan, Zheng <zyan@redhat.com>
Date: Fri, 14 Aug 2015 08:45:33 +0000 (+0800)
Subject: mds: check mds up before calling MDSMap::get_mds_info
X-Git-Tag: v9.1.0~326^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F5583%2Fhead;p=ceph.git

mds: check mds up before calling MDSMap::get_mds_info

Fixes: #12676
Signed-off-by: Yan, Zheng <zyan@redhat.com>
---

diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index 0daecbe75de3..494fc015a95b 100644
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -6290,7 +6290,7 @@ bool MDCache::trim(int max, int count)
     CDir *subtree = *s;
     if (subtree->inode->is_mdsdir()) {
       mds_rank_t owner = mds_rank_t(MDS_INO_MDSDIR_OWNER(subtree->inode->ino()));
-      if (owner == mds->get_nodeid()) {
+      if (owner == mds->get_nodeid() || !mds->mdsmap->is_up(owner)) {
         continue;
       }