mds/MDCache.h: prefer prefix ++operator for iterators

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>

diff --git a/src/mds/MDCache.h b/src/mds/MDCache.h
index a3faa0fa4b6040388f3f13f984e17bddb08cc84b..f07ea74be67ac9d75347c9964f9e921daa6502b6 100644 (file)
--- a/src/mds/MDCache.h
+++ b/src/mds/MDCache.h
@@ -906,7 +906,7 @@ private:
     assert(!inode_map.empty());
     int n = rand() % inode_map.size();
     hash_map<vinodeno_t,CInode*>::iterator p = inode_map.begin();
-    while (n--) p++;
+    while (n--) ++p;
     return p->second;
   }