rgw: hold lock while reading sync trace nodes

Signed-off-by: Yehuda Sadeh <yehuda@redhat.com>

diff --git a/src/rgw/rgw_sync_trace.cc b/src/rgw/rgw_sync_trace.cc
index 5f62c283d46cc8e056f431e29b903c92fbaaa681..2cd2338c6d30ba08c60ae6456e3dc00c709252c4 100644 (file)
--- a/src/rgw/rgw_sync_trace.cc
+++ b/src/rgw/rgw_sync_trace.cc
@@ -169,6 +169,8 @@ static void dump_node(RGWSyncTraceNode *entry, bool show_history, JSONFormatter&
 
 string RGWSyncTraceManager::get_active_names()
 {
+  shunique_lock rl(lock, ceph::acquire_shared);
+
   stringstream ss;
   JSONFormatter f;