MPATHF_PG_INIT_DISABLED
!test_and_set_bit(MPATHF_PG_INIT_DISABLED, &m->flags)) {
clear_bit(MPATHF_PG_INIT_DISABLED, &m->flags);
!test_bit(MPATHF_PG_INIT_DISABLED, &m->flags))
if (atomic_read(&m->pg_init_in_progress) || test_bit(MPATHF_PG_INIT_DISABLED, &m->flags))