Return the previous state of the column when we press Q or ESC.
Fixes issue #1829
Signed-off-by: ChengqiangMeng <chengqiangx.meng@intel.com>
Change-Id: If049c0dcebfa3d71ac9c5266541083108df1d883
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6893
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Krzysztof Karas <krzysztof.karas@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: GangCao <gang.cao@intel.com>