Function vdev_get_nparity

freebsd/contrib/openzfs/module/zfs/vdev.c:332–341

* Get the parity level for a top-level vdev. */

 * Get the parity level for a top-level vdev.
 */
uint64_t
vdev_get_nparity(vdev_t *vd)
{
	uint64_t nparity = 0;

	if (vd->vdev_ops->vdev_op_nparity != NULL)
		nparity = vd->vdev_ops->vdev_op_nparity(vd);

	return (nparity);
}

/*
 * Get the number of data disks for a top-level vdev.