4882 	vdev_t *oldvd, *newvd, *newrootvd, *pvd, *tvd;  in spa_vdev_attach()  local
4892 	oldvd = spa_lookup_by_guid(spa, guid, B_FALSE);  in spa_vdev_attach()
4894 	if (oldvd == NULL)  in spa_vdev_attach()
4897 	if (!oldvd->vdev_ops->vdev_op_leaf)  in spa_vdev_attach()
4900 	pvd = oldvd->vdev_parent;  in spa_vdev_attach()
4920 	if (oldvd->vdev_top->vdev_islog && newvd->vdev_isspare)  in spa_vdev_attach()
4939 		    oldvd->vdev_isspare &&  in spa_vdev_attach()
4955 		    newvd->vdev_isspare != oldvd->vdev_isspare) {  in spa_vdev_attach()
4968 	if (newvd->vdev_asize < vdev_get_min_asize(oldvd))  in spa_vdev_attach()
4975 	if (newvd->vdev_ashift > oldvd->vdev_top->vdev_ashift)  in spa_vdev_attach()
4982 	if (strcmp(oldvd->vdev_path, newvd->vdev_path) == 0) {  in spa_vdev_attach()
4983 		spa_strfree(oldvd->vdev_path);  in spa_vdev_attach()
4984 		oldvd->vdev_path = kmem_alloc(strlen(newvd->vdev_path) + 5,  in spa_vdev_attach()
4986 		(void) sprintf(oldvd->vdev_path, "%s/%s",  in spa_vdev_attach()
4988 		if (oldvd->vdev_devid != NULL) {  in spa_vdev_attach()
4989 			spa_strfree(oldvd->vdev_devid);  in spa_vdev_attach()
4990 			oldvd->vdev_devid = NULL;  in spa_vdev_attach()
5002 		pvd = vdev_add_parent(oldvd, pvops);  in spa_vdev_attach()
5006 	ASSERT(oldvd->vdev_parent == pvd);  in spa_vdev_attach()
5013 	newvd->vdev_crtxg = oldvd->vdev_crtxg;  in spa_vdev_attach()
5037 	oldvdpath = spa_strdup(oldvd->vdev_path);  in spa_vdev_attach()
5874 	vdev_t *newvd, *oldvd;  in spa_vdev_resilver_done_hunt()  local
5877 		oldvd = spa_vdev_resilver_done_hunt(vd->vdev_child[c]);  in spa_vdev_resilver_done_hunt()
5878 		if (oldvd != NULL)  in spa_vdev_resilver_done_hunt()
5879 			return (oldvd);  in spa_vdev_resilver_done_hunt()
5894 		oldvd = vd->vdev_child[0];  in spa_vdev_resilver_done_hunt()
5898 		    !vdev_dtl_required(oldvd))  in spa_vdev_resilver_done_hunt()
5899 			return (oldvd);  in spa_vdev_resilver_done_hunt()
5910 			oldvd = first;  in spa_vdev_resilver_done_hunt()
5913 			oldvd = last;  in spa_vdev_resilver_done_hunt()
5916 			oldvd = NULL;  in spa_vdev_resilver_done_hunt()
5919 		if (oldvd != NULL &&  in spa_vdev_resilver_done_hunt()
5922 		    !vdev_dtl_required(oldvd))  in spa_vdev_resilver_done_hunt()
5923 			return (oldvd);  in spa_vdev_resilver_done_hunt()