FLG_DLEETX
test_and_set_bit(FLG_DLEETX, &bch->Flags);
test_and_set_bit(FLG_DLEETX,
if (test_bit(FLG_DLEETX, &ch->bch.Flags)) {
if (test_and_clear_bit(FLG_DLEETX, &ch->bch.Flags)) {