mon/OSDMonitor: fix nan on 'osd df' use%

Fixes: half of #10695
Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/mon/OSDMonitor.cc b/src/mon/OSDMonitor.cc
index 3c118530f948cbb2287c93a175269a28d45da825..f9e2f2d87fb86ad9358e322329bc0049b4c3d87e 100644 (file)
--- a/src/mon/OSDMonitor.cc
+++ b/src/mon/OSDMonitor.cc
@@ -679,7 +679,7 @@ protected:
       kb = p->second.kb;
       kb_used = p->second.kb_used;
       kb_avail = p->second.kb_avail;
-      return true;
+      return kb > 0;
     }
 
     kb = 0;
@@ -695,7 +695,7 @@ protected:
       kb_used += kb_used_i;
       kb_avail += kb_avail_i;
     }
-    return true;
+    return kb > 0;
   }
 
 protected: