We should use the diff bits to decide the action to CC. Change-Id: I08cf6f65711f86328825dcd9e204ed79766c59fe Signed-off-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8802 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com> Community-CI: Mellanox Build Bot Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com>