437 			struct disk_conf *disk_conf =  in highest_fencing_policy()  local
438 				rcu_dereference(peer_device->device->ldev->disk_conf);  in highest_fencing_policy()
439 			fp = max_t(enum drbd_fencing_p, fp, disk_conf->fencing);  in highest_fencing_policy()
964 	u_size = rcu_dereference(device->ldev->disk_conf)->disk_size;  in drbd_determine_dev_size()
1131 static int drbd_check_al_size(struct drbd_device *device, struct disk_conf *dc)  in drbd_check_al_size()
1309 	struct disk_conf *dc;  in drbd_setup_queue_param()
1318 		dc = rcu_dereference(device->ldev->disk_conf);  in drbd_setup_queue_param()
1474 static bool write_ordering_changed(struct disk_conf *a, struct disk_conf *b)  in write_ordering_changed()
1481 static void sanitize_disk_conf(struct drbd_device *device, struct disk_conf *disk_conf,  in sanitize_disk_conf()  argument
1486 	if (disk_conf->al_extents < DRBD_AL_EXTENTS_MIN)  in sanitize_disk_conf()
1487 		disk_conf->al_extents = DRBD_AL_EXTENTS_MIN;  in sanitize_disk_conf()
1488 	if (disk_conf->al_extents > drbd_al_extents_max(nbc))  in sanitize_disk_conf()
1489 		disk_conf->al_extents = drbd_al_extents_max(nbc);  in sanitize_disk_conf()
1492 		if (disk_conf->rs_discard_granularity) {  in sanitize_disk_conf()
1493 			disk_conf->rs_discard_granularity = 0; /* disable feature */  in sanitize_disk_conf()
1498 	if (disk_conf->rs_discard_granularity) {  in sanitize_disk_conf()
1499 		int orig_value = disk_conf->rs_discard_granularity;  in sanitize_disk_conf()
1502 		if (q->limits.discard_granularity > disk_conf->rs_discard_granularity)  in sanitize_disk_conf()
1503 			disk_conf->rs_discard_granularity = q->limits.discard_granularity;  in sanitize_disk_conf()
1505 		remainder = disk_conf->rs_discard_granularity % q->limits.discard_granularity;  in sanitize_disk_conf()
1506 		disk_conf->rs_discard_granularity += remainder;  in sanitize_disk_conf()
1508 		if (disk_conf->rs_discard_granularity > q->limits.max_discard_sectors << 9)  in sanitize_disk_conf()
1509 			disk_conf->rs_discard_granularity = q->limits.max_discard_sectors << 9;  in sanitize_disk_conf()
1511 		if (disk_conf->rs_discard_granularity != orig_value)  in sanitize_disk_conf()
1513 				  disk_conf->rs_discard_granularity);  in sanitize_disk_conf()
1522 	struct disk_conf *new_disk_conf, *old_disk_conf;  in drbd_adm_disk_opts()
1542 	new_disk_conf = kmalloc(sizeof(struct disk_conf), GFP_KERNEL);  in drbd_adm_disk_opts()
1549 	old_disk_conf = device->ldev->disk_conf;  in drbd_adm_disk_opts()
1595 		rcu_assign_pointer(device->ldev->disk_conf, new_disk_conf);  in drbd_adm_disk_opts()
1684 		struct disk_conf *new_disk_conf,  in open_backing_devices()
1734 	kfree(ldev->disk_conf);  in drbd_backing_dev_free()
1750 	struct disk_conf *new_disk_conf = NULL;  in drbd_adm_attach()
1798 	new_disk_conf = kzalloc(sizeof(struct disk_conf), GFP_KERNEL);  in drbd_adm_attach()
1803 	nbc->disk_conf = new_disk_conf;  in drbd_adm_attach()
1954 	    drbd_new_dev_size(device, nbc, nbc->disk_conf->disk_size, 0) < nbc->md.la_size_sect) {  in drbd_adm_attach()
2077 	    (ns.pdsk == D_OUTDATED || rcu_dereference(device->ldev->disk_conf)->fencing == FP_DONT_CARE))  in drbd_adm_attach()
2085 	if (rcu_dereference(device->ldev->disk_conf)->al_updates)  in drbd_adm_attach()
2267 			enum drbd_fencing_p fp = rcu_dereference(device->ldev->disk_conf)->fencing;  in _check_net_options()
2786 	struct disk_conf *old_disk_conf, *new_disk_conf = NULL;  in drbd_adm_resize()
2838 	u_size = rcu_dereference(device->ldev->disk_conf)->disk_size;  in drbd_adm_resize()
2841 		new_disk_conf = kmalloc(sizeof(struct disk_conf), GFP_KERNEL);  in drbd_adm_resize()
2875 		old_disk_conf = device->ldev->disk_conf;  in drbd_adm_resize()
2878 		rcu_assign_pointer(device->ldev->disk_conf, new_disk_conf);  in drbd_adm_resize()
3421 			struct disk_conf *disk_conf =  in drbd_adm_dump_devices()  local
3422 				rcu_dereference(device->ldev->disk_conf);  in drbd_adm_dump_devices()
3424 			err = disk_conf_to_skb(skb, disk_conf, !capable(CAP_SYS_ADMIN));  in drbd_adm_dump_devices()
3758 		struct disk_conf *disk_conf;  in nla_put_status_info()  local
3760 		disk_conf = rcu_dereference(device->ldev->disk_conf);  in nla_put_status_info()
3761 		err = disk_conf_to_skb(skb, disk_conf, exclude_sensitive);  in nla_put_status_info()