osd: clarify comment in recovery code

Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/src/osd/ReplicatedPG.cc b/src/osd/ReplicatedPG.cc
index db7c0ecc5b8b70b41b77ecc2d53705036b933981..775c6b06c28f208c9dc51abda27b42e2baddf5f0 100644 (file)
--- a/src/osd/ReplicatedPG.cc
+++ b/src/osd/ReplicatedPG.cc
@@ -3214,7 +3214,7 @@ void ReplicatedPG::sub_op_push(MOSDSubOp *op)
       }
 
     } else {
-      // head|unversioned. for now, primary will _only_ pull full copies of the head.
+      // head|unversioned. for now, primary will _only_ pull data copies of the head (no cloning)
       assert(op->clone_subsets.empty());
     }
   }