OPLOCK_LEVEL_TYPE_MASK
if (NewLevel >= (og->og_state & OPLOCK_LEVEL_TYPE_MASK)) {
switch (NewLevel & OPLOCK_LEVEL_TYPE_MASK) {
switch (op->op_oplock_state & OPLOCK_LEVEL_TYPE_MASK) {
uint32_t type = *rop & OPLOCK_LEVEL_TYPE_MASK;
uint32_t type = *statep & OPLOCK_LEVEL_TYPE_MASK;