From: huanwen ren <ren.huanwen@zte.com.cn>
Date: Thu, 28 Jul 2016 08:05:00 +0000 (+0800)
Subject: mds/MDBalancer: add err info when ifstream open failure
X-Git-Tag: ses5-milestone5~216^2~3
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=547876975307fec6773e853a99cedbad6b4926ef;p=ceph.git

mds/MDBalancer: add err info when ifstream open failure

Signed-off-by: huanwen ren <ren.huanwen@zte.com.cn>
---

diff --git a/src/mds/MDBalancer.cc b/src/mds/MDBalancer.cc
index 784263e9cecd..86e38f34189f 100644
--- a/src/mds/MDBalancer.cc
+++ b/src/mds/MDBalancer.cc
@@ -162,7 +162,9 @@ mds_load_t MDBalancer::get_load(utime_t now)
   ifstream cpu("/proc/loadavg");
   if (cpu.is_open())
     cpu >> load.cpu_load_avg;
-
+  else
+    derr << "input file '/proc/loadavg' not found" << dendl;
+  
   dout(15) << "get_load " << load << dendl;
   return load;
 }