J_ASSERT_BH
J_ASSERT_BH(bh, !buffer_dirty(bh));
J_ASSERT_BH(bh, atomic_read(&bh->b_count) == 0);
J_ASSERT_BH(bh, buffer_jbddirty(bh));
J_ASSERT_BH(bh, !buffer_shadow(bh));
J_ASSERT_BH(bh,
J_ASSERT_BH(bh, buffer_jbd(bh));
J_ASSERT_BH(bh, jh2bh(jh) == bh);
J_ASSERT_BH(bh_in, buffer_jbddirty(bh_in));
J_ASSERT_BH(bh2, buffer_revoked(bh2));
J_ASSERT_BH(bh, !buffer_jbddirty(bh));
#define J_EXPECT_BH(bh, expr, why...) J_ASSERT_BH(bh, expr)