1319 	struct disk_conf *new_disk_conf, *old_disk_conf;  in drbd_adm_disk_opts()  local
1339 	new_disk_conf = kmalloc(sizeof(struct disk_conf), GFP_KERNEL);  in drbd_adm_disk_opts()
1340 	if (!new_disk_conf) {  in drbd_adm_disk_opts()
1347 	*new_disk_conf = *old_disk_conf;  in drbd_adm_disk_opts()
1349 		set_disk_conf_defaults(new_disk_conf);  in drbd_adm_disk_opts()
1351 	err = disk_conf_from_attrs_for_change(new_disk_conf, info);  in drbd_adm_disk_opts()
1358 	if (!expect(new_disk_conf->resync_rate >= 1))  in drbd_adm_disk_opts()
1359 		new_disk_conf->resync_rate = 1;  in drbd_adm_disk_opts()
1361 	if (new_disk_conf->al_extents < DRBD_AL_EXTENTS_MIN)  in drbd_adm_disk_opts()
1362 		new_disk_conf->al_extents = DRBD_AL_EXTENTS_MIN;  in drbd_adm_disk_opts()
1363 	if (new_disk_conf->al_extents > drbd_al_extents_max(device->ldev))  in drbd_adm_disk_opts()
1364 		new_disk_conf->al_extents = drbd_al_extents_max(device->ldev);  in drbd_adm_disk_opts()
1366 	if (new_disk_conf->c_plan_ahead > DRBD_C_PLAN_AHEAD_MAX)  in drbd_adm_disk_opts()
1367 		new_disk_conf->c_plan_ahead = DRBD_C_PLAN_AHEAD_MAX;  in drbd_adm_disk_opts()
1369 	fifo_size = (new_disk_conf->c_plan_ahead * 10 * SLEEP_TIME) / HZ;  in drbd_adm_disk_opts()
1382 	err = drbd_check_al_size(device, new_disk_conf);  in drbd_adm_disk_opts()
1393 	retcode = drbd_resync_after_valid(device, new_disk_conf->resync_after);  in drbd_adm_disk_opts()
1395 		rcu_assign_pointer(device->ldev->disk_conf, new_disk_conf);  in drbd_adm_disk_opts()
1410 	if (new_disk_conf->al_updates)  in drbd_adm_disk_opts()
1415 	if (new_disk_conf->md_flushes)  in drbd_adm_disk_opts()
1420 	if (write_ordering_changed(old_disk_conf, new_disk_conf))  in drbd_adm_disk_opts()
1441 	kfree(new_disk_conf);  in drbd_adm_disk_opts()
1464 	struct disk_conf *new_disk_conf = NULL;  in drbd_adm_attach()  local
1513 	new_disk_conf = kzalloc(sizeof(struct disk_conf), GFP_KERNEL);  in drbd_adm_attach()
1514 	if (!new_disk_conf) {  in drbd_adm_attach()
1518 	nbc->disk_conf = new_disk_conf;  in drbd_adm_attach()
1520 	set_disk_conf_defaults(new_disk_conf);  in drbd_adm_attach()
1521 	err = disk_conf_from_attrs(new_disk_conf, info);  in drbd_adm_attach()
1528 	if (new_disk_conf->c_plan_ahead > DRBD_C_PLAN_AHEAD_MAX)  in drbd_adm_attach()
1529 		new_disk_conf->c_plan_ahead = DRBD_C_PLAN_AHEAD_MAX;  in drbd_adm_attach()
1531 	new_plan = fifo_alloc((new_disk_conf->c_plan_ahead * 10 * SLEEP_TIME) / HZ);  in drbd_adm_attach()
1537 	if (new_disk_conf->meta_dev_idx < DRBD_MD_INDEX_FLEX_INT) {  in drbd_adm_attach()
1543 	retcode = drbd_resync_after_valid(device, new_disk_conf->resync_after);  in drbd_adm_attach()
1551 		if (new_disk_conf->fencing == FP_STONITH && nc->wire_protocol == DRBD_PROT_A) {  in drbd_adm_attach()
1559 	bdev = blkdev_get_by_path(new_disk_conf->backing_dev,  in drbd_adm_attach()
1562 		drbd_err(device, "open(\"%s\") failed with %ld\n", new_disk_conf->backing_dev,  in drbd_adm_attach()
1577 	bdev = blkdev_get_by_path(new_disk_conf->meta_dev,  in drbd_adm_attach()
1579 				  (new_disk_conf->meta_dev_idx < 0) ?  in drbd_adm_attach()
1582 		drbd_err(device, "open(\"%s\") failed with %ld\n", new_disk_conf->meta_dev,  in drbd_adm_attach()
1590 	    (new_disk_conf->meta_dev_idx == DRBD_MD_INDEX_INTERNAL ||  in drbd_adm_attach()
1591 	     new_disk_conf->meta_dev_idx == DRBD_MD_INDEX_FLEX_INT)) {  in drbd_adm_attach()
1610 	if (new_disk_conf->al_extents < DRBD_AL_EXTENTS_MIN)  in drbd_adm_attach()
1611 		new_disk_conf->al_extents = DRBD_AL_EXTENTS_MIN;  in drbd_adm_attach()
1612 	if (new_disk_conf->al_extents > drbd_al_extents_max(nbc))  in drbd_adm_attach()
1613 		new_disk_conf->al_extents = drbd_al_extents_max(nbc);  in drbd_adm_attach()
1615 	if (drbd_get_max_capacity(nbc) < new_disk_conf->disk_size) {  in drbd_adm_attach()
1618 			(unsigned long long) new_disk_conf->disk_size);  in drbd_adm_attach()
1623 	if (new_disk_conf->meta_dev_idx < 0) {  in drbd_adm_attach()
1629 		min_md_device_sectors = MD_128MB_SECT * (new_disk_conf->meta_dev_idx + 1);  in drbd_adm_attach()
1654 		if (new_disk_conf->meta_dev_idx >= 0)  in drbd_adm_attach()
1697 	if (drbd_check_al_size(device, new_disk_conf)) {  in drbd_adm_attach()
1712 	if (new_disk_conf->md_flushes)  in drbd_adm_attach()
1727 	new_disk_conf = NULL;  in drbd_adm_attach()
1886 	kfree(new_disk_conf);  in drbd_adm_attach()
2492 	struct disk_conf *old_disk_conf, *new_disk_conf = NULL;  in drbd_adm_resize()  local
2547 		new_disk_conf = kmalloc(sizeof(struct disk_conf), GFP_KERNEL);  in drbd_adm_resize()
2548 		if (!new_disk_conf) {  in drbd_adm_resize()
2579 	if (new_disk_conf) {  in drbd_adm_resize()
2582 		*new_disk_conf = *old_disk_conf;  in drbd_adm_resize()
2583 		new_disk_conf->disk_size = (sector_t)rs.resize_size;  in drbd_adm_resize()
2584 		rcu_assign_pointer(device->ldev->disk_conf, new_disk_conf);  in drbd_adm_resize()