From a7162c81e7941aad26212926e8ae15c41e918132 Mon Sep 17 00:00:00 2001
From: Kefu Chai <kchai@redhat.com>
Date: Thu, 4 May 2017 09:47:33 +0800
Subject: [PATCH] librbd: silence -Wunused-variable warning

Signed-off-by: Kefu Chai <kchai@redhat.com>
---
 src/librbd/librbd.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/librbd/librbd.cc b/src/librbd/librbd.cc
index 8094433ee5f..77d272283e5 100644
--- a/src/librbd/librbd.cc
+++ b/src/librbd/librbd.cc
@@ -569,11 +569,13 @@ namespace librbd {
     tracepoint(librbd, trash_list_enter,
                io_ctx.get_pool_name().c_str(), io_ctx.get_id());
     int r = librbd::trash_list(io_ctx, entries);
+#ifdef WITH_LTTNG
     if (r >= 0) {
       for (const auto& entry : entries) {
 	tracepoint(librbd, trash_list_entry, entry.id.c_str());
       }
     }
+#endif
     tracepoint(librbd, trash_list_exit, r, r);
     return r;
   }