1570 	struct disk_conf *new_disk_conf, *old_disk_conf;  in drbd_adm_disk_opts()  local
1591 	new_disk_conf = kmalloc(sizeof(struct disk_conf), GFP_KERNEL);  in drbd_adm_disk_opts()
1592 	if (!new_disk_conf) {  in drbd_adm_disk_opts()
1599 	*new_disk_conf = *old_disk_conf;  in drbd_adm_disk_opts()
1601 		set_disk_conf_defaults(new_disk_conf);  in drbd_adm_disk_opts()
1603 	err = disk_conf_from_attrs_for_change(new_disk_conf, info);  in drbd_adm_disk_opts()
1610 	if (!expect(new_disk_conf->resync_rate >= 1))  in drbd_adm_disk_opts()
1611 		new_disk_conf->resync_rate = 1;  in drbd_adm_disk_opts()
1613 	sanitize_disk_conf(device, new_disk_conf, device->ldev);  in drbd_adm_disk_opts()
1615 	if (new_disk_conf->c_plan_ahead > DRBD_C_PLAN_AHEAD_MAX)  in drbd_adm_disk_opts()
1616 		new_disk_conf->c_plan_ahead = DRBD_C_PLAN_AHEAD_MAX;  in drbd_adm_disk_opts()
1618 	fifo_size = (new_disk_conf->c_plan_ahead * 10 * SLEEP_TIME) / HZ;  in drbd_adm_disk_opts()
1628 	err = disk_opts_check_al_size(device, new_disk_conf);  in drbd_adm_disk_opts()
1639 	retcode = drbd_resync_after_valid(device, new_disk_conf->resync_after);  in drbd_adm_disk_opts()
1641 		rcu_assign_pointer(device->ldev->disk_conf, new_disk_conf);  in drbd_adm_disk_opts()
1656 	if (new_disk_conf->al_updates)  in drbd_adm_disk_opts()
1661 	if (new_disk_conf->md_flushes)  in drbd_adm_disk_opts()
1666 	if (write_ordering_changed(old_disk_conf, new_disk_conf))  in drbd_adm_disk_opts()
1669 	if (old_disk_conf->discard_zeroes_if_aligned != new_disk_conf->discard_zeroes_if_aligned  in drbd_adm_disk_opts()
1670 	||  old_disk_conf->disable_write_same != new_disk_conf->disable_write_same)  in drbd_adm_disk_opts()
1691 	kfree(new_disk_conf);  in drbd_adm_disk_opts()
1730 		struct disk_conf *new_disk_conf,  in open_backing_devices()  argument
1735 	bdev = open_backing_dev(device, new_disk_conf->backing_dev, device, true);  in open_backing_devices()
1748 	bdev = open_backing_dev(device, new_disk_conf->meta_dev,  in open_backing_devices()
1751 			(new_disk_conf->meta_dev_idx < 0) ? (void*)device : (void*)drbd_m_holder,  in open_backing_devices()
1754 			(new_disk_conf->meta_dev_idx != DRBD_MD_INDEX_FLEX_INT &&  in open_backing_devices()
1755 			 new_disk_conf->meta_dev_idx != DRBD_MD_INDEX_INTERNAL));  in open_backing_devices()
1796 	struct disk_conf *new_disk_conf = NULL;  in drbd_adm_attach()  local
1844 	new_disk_conf = kzalloc(sizeof(struct disk_conf), GFP_KERNEL);  in drbd_adm_attach()
1845 	if (!new_disk_conf) {  in drbd_adm_attach()
1849 	nbc->disk_conf = new_disk_conf;  in drbd_adm_attach()
1851 	set_disk_conf_defaults(new_disk_conf);  in drbd_adm_attach()
1852 	err = disk_conf_from_attrs(new_disk_conf, info);  in drbd_adm_attach()
1859 	if (new_disk_conf->c_plan_ahead > DRBD_C_PLAN_AHEAD_MAX)  in drbd_adm_attach()
1860 		new_disk_conf->c_plan_ahead = DRBD_C_PLAN_AHEAD_MAX;  in drbd_adm_attach()
1862 	new_plan = fifo_alloc((new_disk_conf->c_plan_ahead * 10 * SLEEP_TIME) / HZ);  in drbd_adm_attach()
1868 	if (new_disk_conf->meta_dev_idx < DRBD_MD_INDEX_FLEX_INT) {  in drbd_adm_attach()
1876 		if (new_disk_conf->fencing == FP_STONITH && nc->wire_protocol == DRBD_PROT_A) {  in drbd_adm_attach()
1884 	retcode = open_backing_devices(device, new_disk_conf, nbc);  in drbd_adm_attach()
1889 	    (new_disk_conf->meta_dev_idx == DRBD_MD_INDEX_INTERNAL ||  in drbd_adm_attach()
1890 	     new_disk_conf->meta_dev_idx == DRBD_MD_INDEX_FLEX_INT)) {  in drbd_adm_attach()
1909 	sanitize_disk_conf(device, new_disk_conf, nbc);  in drbd_adm_attach()
1911 	if (drbd_get_max_capacity(nbc) < new_disk_conf->disk_size) {  in drbd_adm_attach()
1914 			(unsigned long long) new_disk_conf->disk_size);  in drbd_adm_attach()
1919 	if (new_disk_conf->meta_dev_idx < 0) {  in drbd_adm_attach()
1925 		min_md_device_sectors = MD_128MB_SECT * (new_disk_conf->meta_dev_idx + 1);  in drbd_adm_attach()
1949 		if (new_disk_conf->meta_dev_idx >= 0)  in drbd_adm_attach()
1992 	if (drbd_check_al_size(device, new_disk_conf)) {  in drbd_adm_attach()
2016 	retcode = drbd_resync_after_valid(device, new_disk_conf->resync_after);  in drbd_adm_attach()
2024 	if (new_disk_conf->md_flushes)  in drbd_adm_attach()
2039 	new_disk_conf = NULL;  in drbd_adm_attach()
2196 	kfree(new_disk_conf);  in drbd_adm_attach()
2834 	struct disk_conf *old_disk_conf, *new_disk_conf = NULL;  in drbd_adm_resize()  local
2889 		new_disk_conf = kmalloc(sizeof(struct disk_conf), GFP_KERNEL);  in drbd_adm_resize()
2890 		if (!new_disk_conf) {  in drbd_adm_resize()
2921 	if (new_disk_conf) {  in drbd_adm_resize()
2924 		*new_disk_conf = *old_disk_conf;  in drbd_adm_resize()
2925 		new_disk_conf->disk_size = (sector_t)rs.resize_size;  in drbd_adm_resize()
2926 		rcu_assign_pointer(device->ldev->disk_conf, new_disk_conf);  in drbd_adm_resize()
2930 		new_disk_conf = NULL;  in drbd_adm_resize()
2964 	kfree(new_disk_conf);  in drbd_adm_resize()