bt_unlockpage(bt, BtLockRead, set->latch);
bt_lockpage(bt, BtLockAtomic, set->latch);
bt_lockpage(bt, BtLockRead, set->latch);
bt_unlockpage(bt, BtLockRead, set->latch);
bt_lockpage(bt, BtLockAtomic, set->latch);
bt_lockpage(bt, BtLockRead, set->latch);