Function vdev_get_min_alloc

freebsd/contrib/openzfs/module/zfs/vdev.c:318–327

* Get the minimal allocation size for the top-level vdev. */

 * Get the minimal allocation size for the top-level vdev.
 */
uint64_t
vdev_get_min_alloc(vdev_t *vd)
{
	uint64_t min_alloc = 1ULL << vd->vdev_ashift;

	if (vd->vdev_ops->vdev_op_min_alloc != NULL)
		min_alloc = vd->vdev_ops->vdev_op_min_alloc(vd);

	return (min_alloc);
}

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