1522 	struct disk_conf *new_disk_conf, *old_disk_conf;  in drbd_adm_disk_opts()  local
1542 	new_disk_conf = kmalloc(sizeof(struct disk_conf), GFP_KERNEL);  in drbd_adm_disk_opts()
1543 	if (!new_disk_conf) {  in drbd_adm_disk_opts()
1550 	*new_disk_conf = *old_disk_conf;  in drbd_adm_disk_opts()
1552 		set_disk_conf_defaults(new_disk_conf);  in drbd_adm_disk_opts()
1554 	err = disk_conf_from_attrs_for_change(new_disk_conf, info);  in drbd_adm_disk_opts()
1561 	if (!expect(new_disk_conf->resync_rate >= 1))  in drbd_adm_disk_opts()
1562 		new_disk_conf->resync_rate = 1;  in drbd_adm_disk_opts()
1564 	sanitize_disk_conf(device, new_disk_conf, device->ldev);  in drbd_adm_disk_opts()
1566 	if (new_disk_conf->c_plan_ahead > DRBD_C_PLAN_AHEAD_MAX)  in drbd_adm_disk_opts()
1567 		new_disk_conf->c_plan_ahead = DRBD_C_PLAN_AHEAD_MAX;  in drbd_adm_disk_opts()
1569 	fifo_size = (new_disk_conf->c_plan_ahead * 10 * SLEEP_TIME) / HZ;  in drbd_adm_disk_opts()
1582 	err = drbd_check_al_size(device, new_disk_conf);  in drbd_adm_disk_opts()
1593 	retcode = drbd_resync_after_valid(device, new_disk_conf->resync_after);  in drbd_adm_disk_opts()
1595 		rcu_assign_pointer(device->ldev->disk_conf, new_disk_conf);  in drbd_adm_disk_opts()
1610 	if (new_disk_conf->al_updates)  in drbd_adm_disk_opts()
1615 	if (new_disk_conf->md_flushes)  in drbd_adm_disk_opts()
1620 	if (write_ordering_changed(old_disk_conf, new_disk_conf))  in drbd_adm_disk_opts()
1623 	if (old_disk_conf->discard_zeroes_if_aligned != new_disk_conf->discard_zeroes_if_aligned  in drbd_adm_disk_opts()
1624 	||  old_disk_conf->disable_write_same != new_disk_conf->disable_write_same)  in drbd_adm_disk_opts()
1645 	kfree(new_disk_conf);  in drbd_adm_disk_opts()
1684 		struct disk_conf *new_disk_conf,  in open_backing_devices()  argument
1689 	bdev = open_backing_dev(device, new_disk_conf->backing_dev, device, true);  in open_backing_devices()
1702 	bdev = open_backing_dev(device, new_disk_conf->meta_dev,  in open_backing_devices()
1705 			(new_disk_conf->meta_dev_idx < 0) ? (void*)device : (void*)drbd_m_holder,  in open_backing_devices()
1708 			(new_disk_conf->meta_dev_idx != DRBD_MD_INDEX_FLEX_INT &&  in open_backing_devices()
1709 			 new_disk_conf->meta_dev_idx != DRBD_MD_INDEX_INTERNAL));  in open_backing_devices()
1750 	struct disk_conf *new_disk_conf = NULL;  in drbd_adm_attach()  local
1798 	new_disk_conf = kzalloc(sizeof(struct disk_conf), GFP_KERNEL);  in drbd_adm_attach()
1799 	if (!new_disk_conf) {  in drbd_adm_attach()
1803 	nbc->disk_conf = new_disk_conf;  in drbd_adm_attach()
1805 	set_disk_conf_defaults(new_disk_conf);  in drbd_adm_attach()
1806 	err = disk_conf_from_attrs(new_disk_conf, info);  in drbd_adm_attach()
1813 	if (new_disk_conf->c_plan_ahead > DRBD_C_PLAN_AHEAD_MAX)  in drbd_adm_attach()
1814 		new_disk_conf->c_plan_ahead = DRBD_C_PLAN_AHEAD_MAX;  in drbd_adm_attach()
1816 	new_plan = fifo_alloc((new_disk_conf->c_plan_ahead * 10 * SLEEP_TIME) / HZ);  in drbd_adm_attach()
1822 	if (new_disk_conf->meta_dev_idx < DRBD_MD_INDEX_FLEX_INT) {  in drbd_adm_attach()
1830 		if (new_disk_conf->fencing == FP_STONITH && nc->wire_protocol == DRBD_PROT_A) {  in drbd_adm_attach()
1838 	retcode = open_backing_devices(device, new_disk_conf, nbc);  in drbd_adm_attach()
1843 	    (new_disk_conf->meta_dev_idx == DRBD_MD_INDEX_INTERNAL ||  in drbd_adm_attach()
1844 	     new_disk_conf->meta_dev_idx == DRBD_MD_INDEX_FLEX_INT)) {  in drbd_adm_attach()
1863 	sanitize_disk_conf(device, new_disk_conf, nbc);  in drbd_adm_attach()
1865 	if (drbd_get_max_capacity(nbc) < new_disk_conf->disk_size) {  in drbd_adm_attach()
1868 			(unsigned long long) new_disk_conf->disk_size);  in drbd_adm_attach()
1873 	if (new_disk_conf->meta_dev_idx < 0) {  in drbd_adm_attach()
1879 		min_md_device_sectors = MD_128MB_SECT * (new_disk_conf->meta_dev_idx + 1);  in drbd_adm_attach()
1904 		if (new_disk_conf->meta_dev_idx >= 0)  in drbd_adm_attach()
1947 	if (drbd_check_al_size(device, new_disk_conf)) {  in drbd_adm_attach()
1961 	retcode = drbd_resync_after_valid(device, new_disk_conf->resync_after);  in drbd_adm_attach()
1969 	if (new_disk_conf->md_flushes)  in drbd_adm_attach()
1984 	new_disk_conf = NULL;  in drbd_adm_attach()
2141 	kfree(new_disk_conf);  in drbd_adm_attach()
2786 	struct disk_conf *old_disk_conf, *new_disk_conf = NULL;  in drbd_adm_resize()  local
2841 		new_disk_conf = kmalloc(sizeof(struct disk_conf), GFP_KERNEL);  in drbd_adm_resize()
2842 		if (!new_disk_conf) {  in drbd_adm_resize()
2873 	if (new_disk_conf) {  in drbd_adm_resize()
2876 		*new_disk_conf = *old_disk_conf;  in drbd_adm_resize()
2877 		new_disk_conf->disk_size = (sector_t)rs.resize_size;  in drbd_adm_resize()
2878 		rcu_assign_pointer(device->ldev->disk_conf, new_disk_conf);  in drbd_adm_resize()
2882 		new_disk_conf = NULL;  in drbd_adm_resize()
2916 	kfree(new_disk_conf);  in drbd_adm_resize()