VDO_HASH_LOCK_UNLOCKING
case VDO_HASH_LOCK_UNLOCKING:
case VDO_HASH_LOCK_UNLOCKING:
[VDO_HASH_LOCK_UNLOCKING] = "UNLOCKING",
(old_lock->state != VDO_HASH_LOCK_UNLOCKING)) {
lock->state = VDO_HASH_LOCK_UNLOCKING;