mds/journal.cc: use !empty() instead of size() to check for emptiness

Use !empty() instead of size() for performance reasons.

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

diff --git a/src/mds/journal.cc b/src/mds/journal.cc
index 62d796af4207b09161c268fda8fe7715746bed1b..1fb58c6b7ca02bcfe4687e9d177a8fd2b83d0b68 100644 (file)
--- a/src/mds/journal.cc
+++ b/src/mds/journal.cc
@@ -467,7 +467,7 @@ void EMetaBlob::fullbit::dump(Formatter *f) const
     }
   }
   f->dump_string("dirty", dirty ? "true" : "false");
-  if (old_inodes.size()) {
+  if (!old_inodes.empty()) {
     f->open_array_section("old inodes");
     for (old_inodes_t::const_iterator iter = old_inodes.begin();
        iter != old_inodes.end(); ++iter) {