3713 	vdev_t *oldvd, *newvd, *pvd;  in ztest_vdev_attach_detach()  local
3780 	oldvd = rvd->vdev_child[top];  in ztest_vdev_attach_detach()
3784 		ASSERT3P(oldvd->vdev_ops, ==, &vdev_mirror_ops);  in ztest_vdev_attach_detach()
3785 		ASSERT3U(oldvd->vdev_children, >=, zs->zs_mirrors);  in ztest_vdev_attach_detach()
3786 		oldvd = oldvd->vdev_child[leaf / raidz_children];  in ztest_vdev_attach_detach()
3791 		if (strcmp(oldvd->vdev_ops->vdev_op_type, "raidz") == 0)  in ztest_vdev_attach_detach()
3792 			ASSERT3P(oldvd->vdev_ops, ==, &vdev_raidz_ops);  in ztest_vdev_attach_detach()
3794 			ASSERT3P(oldvd->vdev_ops, ==, &vdev_draid_ops);  in ztest_vdev_attach_detach()
3795 		oldvd = oldvd->vdev_child[leaf % raidz_children];  in ztest_vdev_attach_detach()
3802 	while (oldvd->vdev_children != 0) {  in ztest_vdev_attach_detach()
3804 		ASSERT3U(oldvd->vdev_children, >=, 2);  in ztest_vdev_attach_detach()
3805 		oldvd = oldvd->vdev_child[ztest_random(oldvd->vdev_children)];  in ztest_vdev_attach_detach()
3808 	oldguid = oldvd->vdev_guid;  in ztest_vdev_attach_detach()
3809 	oldsize = vdev_get_min_asize(oldvd);  in ztest_vdev_attach_detach()
3810 	oldvd_is_log = oldvd->vdev_top->vdev_islog;  in ztest_vdev_attach_detach()
3812 	    oldvd->vdev_top->vdev_alloc_bias == VDEV_BIAS_SPECIAL ||  in ztest_vdev_attach_detach()
3813 	    oldvd->vdev_top->vdev_alloc_bias == VDEV_BIAS_DEDUP;  in ztest_vdev_attach_detach()
3814 	(void) strlcpy(oldpath, oldvd->vdev_path, MAXPATHLEN);  in ztest_vdev_attach_detach()
3815 	pvd = oldvd->vdev_parent;  in ztest_vdev_attach_detach()
3895 	else if (newvd == oldvd)  in ztest_vdev_attach_detach()
3901 	else if (ashift > oldvd->vdev_top->vdev_ashift)  in ztest_vdev_attach_detach()