librbd: drop unused parameter on group_snap_rollback_by_record()

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
(cherry picked from commit afbb744ebe9bddc1d71c84598fee832bf7843c2b)

diff --git a/src/librbd/api/Group.cc b/src/librbd/api/Group.cc
index f7aebf0e6b3eab35b58b58f1b19a0c182594eeff..da0dba4a6405ce5acacbc530fe9605838b70318b 100644 (file)
--- a/src/librbd/api/Group.cc
+++ b/src/librbd/api/Group.cc
@@ -309,7 +309,6 @@ finish:
 int group_snap_rollback_by_record(librados::IoCtx& group_ioctx,
                                   const cls::rbd::GroupSnapshot& group_snap,
                                   const std::string& group_id,
-                                  const std::string& group_header_oid,
                                   ProgressContext& pctx) {
   CephContext *cct = (CephContext *)group_ioctx.cct();
   std::vector<C_SaferCond*> on_finishes;
@@ -1292,9 +1291,7 @@ int Group<I>::snap_rollback(librados::IoCtx& group_ioctx,
     return -EINVAL;
   }
 
-  string group_header_oid = util::group_header_name(group_id);
-  r = group_snap_rollback_by_record(group_ioctx, *group_snap, group_id,
-                                    group_header_oid, pctx);
+  r = group_snap_rollback_by_record(group_ioctx, *group_snap, group_id, pctx);
   return r;
 }