QIF_SPACE_B
if (!test_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags))
__clear_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags);
if (!test_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags))
(1 << (DQ_LASTSET_B + QIF_SPACE_B)) |
set_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags);
#define QIF_SPACE (1 << QIF_SPACE_B)