Function zrl_init

freebsd/contrib/openzfs/module/zfs/zrlock.c:51–61

#define	ZRL_DESTROYED	-2

void
zrl_init(zrlock_t *zrl)
{
	mutex_init(&zrl->zr_mtx, NULL, MUTEX_DEFAULT, NULL);
	zrl->zr_refcount = 0;
	cv_init(&zrl->zr_cv, NULL, CV_DEFAULT, NULL);
#ifdef	ZFS_DEBUG
	zrl->zr_owner = NULL;
	zrl->zr_caller = NULL;
#endif
}

void
zrl_destroy(zrlock_t *zrl)