From: "Yan, Zheng" <zheng.z.yan@xxxxxxxxx>
In the resolve stage, if no MDS claims other MDS's disambiguous subtree
import, the subtree's dir_auth is undefined.
Signed-off-by: Yan, Zheng <zheng.z.yan@xxxxxxxxx>
---
src/mds/MDCache.cc | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index e951a39..0be6a8f 100644
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -3077,7 +3077,8 @@ void MDCache::disambiguate_imports()
CDir *dir = get_force_dirfrag(q->first);
if (!dir) continue;
- if (dir->is_ambiguous_auth()) { // works for me_ambig or if i am a surviving bystander
+ if (dir->is_ambiguous_auth() || // works for me_ambig or if i am a surviving bystander
+ dir->authority() == CDIR_AUTH_UNDEF) { // resolving
dout(10) << " mds." << who << " did import " << *dir << dendl;
adjust_bounded_subtree_auth(dir, q->second, who);
try_subtree_merge(dir);
--
1.7.11.7
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