115 	vdev_t *pvd = vd->vdev_parent;  in vdev_get_min_asize()  local
121 	if (pvd == NULL)  in vdev_get_min_asize()
135 	if (pvd->vdev_ops == &vdev_raidz_ops)  in vdev_get_min_asize()
136 		return (pvd->vdev_min_asize / pvd->vdev_children);  in vdev_get_min_asize()
138 	return (pvd->vdev_min_asize);  in vdev_get_min_asize()
202 vdev_add_child(vdev_t *pvd, vdev_t *cvd)  in vdev_add_child()  argument
212 	cvd->vdev_parent = pvd;  in vdev_add_child()
214 	if (pvd == NULL)  in vdev_add_child()
217 	ASSERT(id >= pvd->vdev_children || pvd->vdev_child[id] == NULL);  in vdev_add_child()
219 	oldsize = pvd->vdev_children * sizeof (vdev_t *);  in vdev_add_child()
220 	pvd->vdev_children = MAX(pvd->vdev_children, id + 1);  in vdev_add_child()
221 	newsize = pvd->vdev_children * sizeof (vdev_t *);  in vdev_add_child()
224 	if (pvd->vdev_child != NULL) {  in vdev_add_child()
225 		bcopy(pvd->vdev_child, newchild, oldsize);  in vdev_add_child()
226 		kmem_free(pvd->vdev_child, oldsize);  in vdev_add_child()
229 	pvd->vdev_child = newchild;  in vdev_add_child()
230 	pvd->vdev_child[id] = cvd;  in vdev_add_child()
232 	cvd->vdev_top = (pvd->vdev_top ? pvd->vdev_top: cvd);  in vdev_add_child()
238 	for (; pvd != NULL; pvd = pvd->vdev_parent)  in vdev_add_child()
239 		pvd->vdev_guid_sum += cvd->vdev_guid_sum;  in vdev_add_child()
243 vdev_remove_child(vdev_t *pvd, vdev_t *cvd)  in vdev_remove_child()  argument
248 	ASSERT(cvd->vdev_parent == pvd);  in vdev_remove_child()
250 	if (pvd == NULL)  in vdev_remove_child()
253 	ASSERT(id < pvd->vdev_children);  in vdev_remove_child()
254 	ASSERT(pvd->vdev_child[id] == cvd);  in vdev_remove_child()
256 	pvd->vdev_child[id] = NULL;  in vdev_remove_child()
259 	for (c = 0; c < pvd->vdev_children; c++)  in vdev_remove_child()
260 		if (pvd->vdev_child[c])  in vdev_remove_child()
263 	if (c == pvd->vdev_children) {  in vdev_remove_child()
264 		kmem_free(pvd->vdev_child, c * sizeof (vdev_t *));  in vdev_remove_child()
265 		pvd->vdev_child = NULL;  in vdev_remove_child()
266 		pvd->vdev_children = 0;  in vdev_remove_child()
272 	for (; pvd != NULL; pvd = pvd->vdev_parent)  in vdev_remove_child()
273 		pvd->vdev_guid_sum -= cvd->vdev_guid_sum;  in vdev_remove_child()
280 vdev_compact_children(vdev_t *pvd)  in vdev_compact_children()  argument
283 	int oldc = pvd->vdev_children;  in vdev_compact_children()
286 	ASSERT(spa_config_held(pvd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL);  in vdev_compact_children()
289 		if (pvd->vdev_child[c])  in vdev_compact_children()
295 		if ((cvd = pvd->vdev_child[c]) != NULL) {  in vdev_compact_children()
301 	kmem_free(pvd->vdev_child, oldc * sizeof (vdev_t *));  in vdev_compact_children()
302 	pvd->vdev_child = newchild;  in vdev_compact_children()
303 	pvd->vdev_children = newc;  in vdev_compact_children()
760 	vdev_t *pvd = cvd->vdev_parent;  in vdev_add_parent()  local
774 	vdev_remove_child(pvd, cvd);  in vdev_add_parent()
775 	vdev_add_child(pvd, mvd);  in vdev_add_parent()
793 	vdev_t *pvd = mvd->vdev_parent;  in vdev_remove_parent()  local
804 	vdev_remove_child(pvd, mvd);  in vdev_remove_parent()
819 	vdev_add_child(pvd, cvd);  in vdev_remove_parent()
1465 	vdev_t *pvd = vd->vdev_parent;  in vdev_close()  local
1473 	if (pvd != NULL && pvd->vdev_reopening)  in vdev_close()
1474 		vd->vdev_reopening = (pvd->vdev_reopening && !vd->vdev_offline);  in vdev_close()
2365 	vdev_t *vd, *tvd, *pvd, *rvd = spa->spa_root_vdev;  in vdev_online()  local
2383 		for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)  in vdev_online()
2384 			pvd->vdev_expanding = !!(flags & ZFS_ONLINE_EXPAND);  in vdev_online()
2391 		for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)  in vdev_online()
2392 			pvd->vdev_expanding = B_FALSE;  in vdev_online()
2716 	vdev_t *pvd;  in vdev_stat_update()  local
2841 			for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)  in vdev_stat_update()
2842 				vdev_dtl_dirty(pvd, DTL_PARTIAL, txg, 1);  in vdev_stat_update()
3323 	vdev_t *cvd, *pvd = vd->vdev_parent;  in vdev_split()  local
3325 	vdev_remove_child(pvd, vd);  in vdev_split()
3326 	vdev_compact_children(pvd);  in vdev_split()
3328 	cvd = pvd->vdev_child[0];  in vdev_split()
3329 	if (pvd->vdev_children == 1) {  in vdev_split()