librados: fix potential race condition if notify immediately fails

Fixes: http://tracker.ceph.com/issues/23966
Signed-off-by: Jason Dillaman <dillaman@redhat.com>

diff --git a/src/librados/IoCtxImpl.cc b/src/librados/IoCtxImpl.cc
index 668eb2f7bd11033064ce1cf5cf969a37cab56bab..cc8d7a27ead31212819d8b3e852c4ec32b1fbc20 100644 (file)
--- a/src/librados/IoCtxImpl.cc
+++ b/src/librados/IoCtxImpl.cc
@@ -1860,6 +1860,7 @@ int librados::IoCtxImpl::notify(const object_t& oid, bufferlist& bl,
   } else {
     ldout(client->cct, 10) << __func__ << " failed to initiate notify, r = "
                           << r << dendl;
+    notify_finish_cond.wait();
   }
 
   objecter->linger_cancel(linger_op);