common: hint bufferlist's buffer_track_c_str accordingly.

Signed-off-by: Radoslaw Zarzynski <rzarzyns@redhat.com>

diff --git a/src/common/buffer.cc b/src/common/buffer.cc
index b1c533ed3100fb2b08891bd1e4e7bf98c523c887..f48f865028a17526b778baeadb26b5eb604d830b 100644 (file)
--- a/src/common/buffer.cc
+++ b/src/common/buffer.cc
@@ -676,25 +676,25 @@ using namespace ceph;
 
   const char *buffer::ptr::c_str() const {
     ceph_assert(_raw);
-    if (buffer_track_c_str)
+    if (unlikely(buffer_track_c_str))
       buffer_c_str_accesses++;
     return _raw->get_data() + _off;
   }
   char *buffer::ptr::c_str() {
     ceph_assert(_raw);
-    if (buffer_track_c_str)
+    if (unlikely(buffer_track_c_str))
       buffer_c_str_accesses++;
     return _raw->get_data() + _off;
   }
   const char *buffer::ptr::end_c_str() const {
     ceph_assert(_raw);
-    if (buffer_track_c_str)
+    if (unlikely(buffer_track_c_str))
       buffer_c_str_accesses++;
     return _raw->get_data() + _off + _len;
   }
   char *buffer::ptr::end_c_str() {
     ceph_assert(_raw);
-    if (buffer_track_c_str)
+    if (unlikely(buffer_track_c_str))
       buffer_c_str_accesses++;
     return _raw->get_data() + _off + _len;
   }