FLG_OPEN
test_and_clear_bit(FLG_OPEN, &bch->Flags);
if (test_and_set_bit(FLG_OPEN, &bch->Flags))
test_and_clear_bit(FLG_OPEN, &bch->Flags);
if (test_and_set_bit(FLG_OPEN, &bch->Flags))
test_and_clear_bit(FLG_OPEN, &bch->Flags);
if (test_and_set_bit(FLG_OPEN, &bch->Flags))
test_and_clear_bit(FLG_OPEN, &bch->Flags);
if (test_and_set_bit(FLG_OPEN, &bch->Flags))
test_and_clear_bit(FLG_OPEN, &bch->Flags);
if (test_and_set_bit(FLG_OPEN, &bch->Flags))
test_and_clear_bit(FLG_OPEN, &bch->Flags);
if (test_and_set_bit(FLG_OPEN, &bch->Flags))
test_and_clear_bit(FLG_OPEN, &bch->Flags);
if (test_and_set_bit(FLG_OPEN, &bch->Flags))
test_and_clear_bit(FLG_OPEN, &bch->Flags);
if (test_and_set_bit(FLG_OPEN, &bch->Flags))
if (test_and_set_bit(FLG_OPEN, &bch->Flags))
test_and_clear_bit(FLG_OPEN, &bch->Flags);