rwlock_init
#define HEIMDAL_RWLOCK_init(l) rwlock_init(l, NULL)
ret = rwlock_init(rwlock, NULL);
return (rwlock_init(rwlock, attr));
rwlock_init(&dev->roce.netdev_lock);
rwlock_init(&device->cache.lock);
rwlock_init(&table->rwlock);
rwlock_init(&cm.device_lock);