From 165b61a7df2731602e9e28c5107a873444bf0507 Mon Sep 17 00:00:00 2001
From: Greg Farnum <gfarnum@redhat.com>
Date: Mon, 9 Oct 2017 14:16:05 -0700
Subject: [PATCH] common: by default, do not assert on leaks in the
 shared_cache code

Update the standard qa suite cluster configs so that we continue
asserting in our nightlies, but users don't hit this.

Fixes: http://tracker.ceph.com/issues/21737

Signed-off-by: Greg Farnum <gfarnum@redhat.com>
---
 src/common/options.cc       | 4 ++++
 src/common/shared_cache.hpp | 4 +++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/common/options.cc b/src/common/options.cc
index 5b8a4da681725..8d975c5d7914d 100644
--- a/src/common/options.cc
+++ b/src/common/options.cc
@@ -4222,6 +4222,10 @@ std::vector<Option> get_global_options() {
     Option("debug_deliberately_leak_memory", Option::TYPE_BOOL, Option::LEVEL_DEV)
     .set_default(false)
     .set_description(""),
+      
+    Option("debug_asserts_on_shutdown", Option::TYPE_BOOL,Option::LEVEL_DEV)
+    .set_default(false)
+    .set_description("Enable certain asserts to check for refcounting bugs on shutdown; see http://tracker.ceph.com/issues/21738"),
   });
 }
 
diff --git a/src/common/shared_cache.hpp b/src/common/shared_cache.hpp
index 3332bd4f00ac0..8d923eefc4de7 100644
--- a/src/common/shared_cache.hpp
+++ b/src/common/shared_cache.hpp
@@ -105,7 +105,9 @@ public:
       lderr(cct) << "leaked refs:\n";
       dump_weak_refs(*_dout);
       *_dout << dendl;
-      assert(weak_refs.empty());
+      if (cct->_conf->get_val<bool>("debug_asserts_on_shutdown")) {
+	assert(weak_refs.empty());
+      }
     }
   }
 
-- 
2.39.5