310 	struct dasd_devmap *devmap;  in dasd_parse_range()  local
360 		devmap = dasd_add_busid(bus_id, features);  in dasd_parse_range()
361 		if (IS_ERR(devmap)) {  in dasd_parse_range()
362 			rc = PTR_ERR(devmap);  in dasd_parse_range()
412 	struct dasd_devmap *devmap, *new, *tmp;  in dasd_add_busid()  local
419 	devmap = NULL;  in dasd_add_busid()
423 			devmap = tmp;  in dasd_add_busid()
426 	if (!devmap) {  in dasd_add_busid()
433 		devmap = new;  in dasd_add_busid()
438 	return devmap;  in dasd_add_busid()
444 	struct dasd_devmap *devmap, *tmp;  in dasd_find_busid_locked()  local
447 	devmap = ERR_PTR(-ENODEV);  in dasd_find_busid_locked()
451 			devmap = tmp;  in dasd_find_busid_locked()
455 	return devmap;  in dasd_find_busid_locked()
464 	struct dasd_devmap *devmap;  in dasd_find_busid()  local
467 	devmap = dasd_find_busid_locked(bus_id);  in dasd_find_busid()
469 	return devmap;  in dasd_find_busid()
488 	struct dasd_devmap *devmap, *n;  in dasd_forget_ranges()  local
493 		list_for_each_entry_safe(devmap, n, &dasd_hashlists[i], list) {  in dasd_forget_ranges()
494 			BUG_ON(devmap->device != NULL);  in dasd_forget_ranges()
495 			list_del(&devmap->list);  in dasd_forget_ranges()
496 			kfree(devmap);  in dasd_forget_ranges()
508 	struct dasd_devmap *devmap, *tmp;  in dasd_device_from_devindex()  local
513 	devmap = NULL;  in dasd_device_from_devindex()
514 	for (i = 0; (i < 256) && !devmap; i++)  in dasd_device_from_devindex()
518 				devmap = tmp;  in dasd_device_from_devindex()
521 	if (devmap && devmap->device) {  in dasd_device_from_devindex()
522 		device = devmap->device;  in dasd_device_from_devindex()
537 	struct dasd_devmap *devmap;  in dasd_devmap_from_cdev()  local
539 	devmap = dasd_find_busid(dev_name(&cdev->dev));  in dasd_devmap_from_cdev()
540 	if (IS_ERR(devmap))  in dasd_devmap_from_cdev()
541 		devmap = dasd_add_busid(dev_name(&cdev->dev),  in dasd_devmap_from_cdev()
543 	return devmap;  in dasd_devmap_from_cdev()
552 	struct dasd_devmap *devmap;  in dasd_create_device()  local
557 	devmap = dasd_devmap_from_cdev(cdev);  in dasd_create_device()
558 	if (IS_ERR(devmap))  in dasd_create_device()
559 		return (void *) devmap;  in dasd_create_device()
567 	if (!devmap->device) {  in dasd_create_device()
568 		devmap->device = device;  in dasd_create_device()
569 		device->devindex = devmap->devindex;  in dasd_create_device()
570 		device->features = devmap->features;  in dasd_create_device()
765 	struct dasd_devmap *devmap;  in dasd_devmap_set_device_copy_relation()  local
769 	devmap = dasd_devmap_from_cdev(cdev);  in dasd_devmap_set_device_copy_relation()
770 	if (IS_ERR(devmap))  in dasd_devmap_set_device_copy_relation()
771 		return PTR_ERR(devmap);  in dasd_devmap_set_device_copy_relation()
773 	device = devmap->device;  in dasd_devmap_set_device_copy_relation()
777 	copy = devmap->copy;  in dasd_devmap_set_device_copy_relation()
841 	struct dasd_devmap *devmap;  in dasd_delete_device()  local
845 	devmap = dasd_find_busid(dev_name(&device->cdev->dev));  in dasd_delete_device()
846 	BUG_ON(IS_ERR(devmap));  in dasd_delete_device()
848 	if (devmap->device != device) {  in dasd_delete_device()
853 	devmap->device = NULL;  in dasd_delete_device()
931 	struct dasd_devmap *devmap;  in dasd_add_link_to_gendisk()  local
933 	devmap = dasd_find_busid(dev_name(&device->cdev->dev));  in dasd_add_link_to_gendisk()
934 	if (IS_ERR(devmap))  in dasd_add_link_to_gendisk()
937 	gdp->private_data = devmap;  in dasd_add_link_to_gendisk()
945 	struct dasd_devmap *devmap;  in dasd_device_from_gendisk()  local
951 	devmap = gdp->private_data;  in dasd_device_from_gendisk()
952 	if (devmap && devmap->device) {  in dasd_device_from_gendisk()
953 		device = devmap->device;  in dasd_device_from_gendisk()
970 	struct dasd_devmap *devmap;  in dasd_ff_show()  local
973 	devmap = dasd_find_busid(dev_name(dev));  in dasd_ff_show()
974 	if (!IS_ERR(devmap))  in dasd_ff_show()
975 		ff_flag = (devmap->features & DASD_FEATURE_FAILFAST) != 0;  in dasd_ff_show()
1003 	struct dasd_devmap *devmap;  in dasd_ro_show()  local
1007 	devmap = dasd_find_busid(dev_name(dev));  in dasd_ro_show()
1008 	if (IS_ERR(devmap))  in dasd_ro_show()
1011 	ro_flag = !!(devmap->features & DASD_FEATURE_READONLY);  in dasd_ro_show()
1014 	device = devmap->device;  in dasd_ro_show()
1073 	struct dasd_devmap *devmap;  in dasd_erplog_show()  local
1076 	devmap = dasd_find_busid(dev_name(dev));  in dasd_erplog_show()
1077 	if (!IS_ERR(devmap))  in dasd_erplog_show()
1078 		erplog = (devmap->features & DASD_FEATURE_ERPLOG) != 0;  in dasd_erplog_show()
1108 	struct dasd_devmap *devmap;  in dasd_use_diag_show()  local
1111 	devmap = dasd_find_busid(dev_name(dev));  in dasd_use_diag_show()
1112 	if (!IS_ERR(devmap))  in dasd_use_diag_show()
1113 		use_diag = (devmap->features & DASD_FEATURE_USEDIAG) != 0;  in dasd_use_diag_show()
1123 	struct dasd_devmap *devmap;  in dasd_use_diag_store()  local
1127 	devmap = dasd_devmap_from_cdev(to_ccwdev(dev));  in dasd_use_diag_store()
1128 	if (IS_ERR(devmap))  in dasd_use_diag_store()
1129 		return PTR_ERR(devmap);  in dasd_use_diag_store()
1137 	if (!devmap->device && !(devmap->features & DASD_FEATURE_USERAW)) {  in dasd_use_diag_store()
1139 			devmap->features |= DASD_FEATURE_USEDIAG;  in dasd_use_diag_store()
1141 			devmap->features &= ~DASD_FEATURE_USEDIAG;  in dasd_use_diag_store()
1157 	struct dasd_devmap *devmap;  in dasd_use_raw_show()  local
1160 	devmap = dasd_find_busid(dev_name(dev));  in dasd_use_raw_show()
1161 	if (!IS_ERR(devmap))  in dasd_use_raw_show()
1162 		use_raw = (devmap->features & DASD_FEATURE_USERAW) != 0;  in dasd_use_raw_show()
1172 	struct dasd_devmap *devmap;  in dasd_use_raw_store()  local
1176 	devmap = dasd_devmap_from_cdev(to_ccwdev(dev));  in dasd_use_raw_store()
1177 	if (IS_ERR(devmap))  in dasd_use_raw_store()
1178 		return PTR_ERR(devmap);  in dasd_use_raw_store()
1186 	if (!devmap->device && !(devmap->features & DASD_FEATURE_USEDIAG)) {  in dasd_use_raw_store()
1188 			devmap->features |= DASD_FEATURE_USERAW;  in dasd_use_raw_store()
1190 			devmap->features &= ~DASD_FEATURE_USERAW;  in dasd_use_raw_store()
1430 	struct dasd_devmap *devmap;  in dasd_eer_show()  local
1433 	devmap = dasd_find_busid(dev_name(dev));  in dasd_eer_show()
1434 	if (!IS_ERR(devmap) && devmap->device)  in dasd_eer_show()
1435 		eer_flag = dasd_eer_enabled(devmap->device);  in dasd_eer_show()
1475 	struct dasd_devmap *devmap;  in dasd_aq_mask_show()  local
1478 	devmap = dasd_find_busid(dev_name(dev));  in dasd_aq_mask_show()
1479 	if (!IS_ERR(devmap))  in dasd_aq_mask_show()
1480 		aq_mask = devmap->aq_mask;  in dasd_aq_mask_show()
1488 	struct dasd_devmap *devmap;  in dasd_aq_mask_store()  local
1494 	devmap = dasd_devmap_from_cdev(to_ccwdev(dev));  in dasd_aq_mask_store()
1495 	if (IS_ERR(devmap))  in dasd_aq_mask_store()
1496 		return PTR_ERR(devmap);  in dasd_aq_mask_store()
1499 	devmap->aq_mask = val;  in dasd_aq_mask_store()
1500 	if (devmap->device)  in dasd_aq_mask_store()
1501 		devmap->device->aq_mask = devmap->aq_mask;  in dasd_aq_mask_store()
1516 	struct dasd_devmap *devmap;  in dasd_aqr_show()  local
1519 	devmap = dasd_find_busid(dev_name(dev));  in dasd_aqr_show()
1520 	if (!IS_ERR(devmap))  in dasd_aqr_show()
1521 		flag = (devmap->features & DASD_FEATURE_REQUEUEQUIESCE) != 0;  in dasd_aqr_show()
1767 	struct dasd_devmap *devmap;  in dasd_reservation_policy_show()  local
1770 	devmap = dasd_find_busid(dev_name(dev));  in dasd_reservation_policy_show()
1771 	if (IS_ERR(devmap)) {  in dasd_reservation_policy_show()
1775 		if (devmap->features & DASD_FEATURE_FAILONSLCK)  in dasd_reservation_policy_show()
1925 	struct dasd_devmap *devmap;  in dasd_path_autodisable_show()  local
1928 	devmap = dasd_find_busid(dev_name(dev));  in dasd_path_autodisable_show()
1929 	if (!IS_ERR(devmap))  in dasd_path_autodisable_show()
1930 		flag = (devmap->features & DASD_FEATURE_PATH_AUTODISABLE) != 0;  in dasd_path_autodisable_show()
2049 	struct dasd_devmap *devmap;  in dasd_copy_pair_show()  local
2053 	devmap = dasd_find_busid(dev_name(dev));  in dasd_copy_pair_show()
2054 	if (IS_ERR(devmap))  in dasd_copy_pair_show()
2057 	if (!devmap->copy)  in dasd_copy_pair_show()
2060 	copy = devmap->copy;  in dasd_copy_pair_show()
2084 static int dasd_devmap_set_copy_relation(struct dasd_devmap *devmap,  in dasd_devmap_set_copy_relation()  argument
2109 	if (!devmap->copy)  in dasd_devmap_set_copy_relation()
2110 		devmap->copy = copy;  in dasd_devmap_set_copy_relation()
2144 	struct dasd_devmap *devmap;  in dasd_devmap_clear_copy_relation()  local
2147 	devmap = dasd_devmap_from_cdev(to_ccwdev(dev));  in dasd_devmap_clear_copy_relation()
2148 	if (IS_ERR(devmap))  in dasd_devmap_clear_copy_relation()
2152 	if (!devmap->copy)  in dasd_devmap_clear_copy_relation()
2155 	copy = devmap->copy;  in dasd_devmap_clear_copy_relation()
2176 		devmap = dasd_find_busid_locked(copy->entry[i].busid);  in dasd_devmap_clear_copy_relation()
2177 		devmap->copy = NULL;  in dasd_devmap_clear_copy_relation()
2495 	struct dasd_devmap *devmap;  in dasd_get_feature()  local
2497 	devmap = dasd_find_busid(dev_name(&cdev->dev));  in dasd_get_feature()
2498 	if (IS_ERR(devmap))  in dasd_get_feature()
2499 		return PTR_ERR(devmap);  in dasd_get_feature()
2501 	return ((devmap->features & feature) != 0);  in dasd_get_feature()
2511 	struct dasd_devmap *devmap;  in dasd_set_feature()  local
2513 	devmap = dasd_devmap_from_cdev(cdev);  in dasd_set_feature()
2514 	if (IS_ERR(devmap))  in dasd_set_feature()
2515 		return PTR_ERR(devmap);  in dasd_set_feature()
2519 		devmap->features |= feature;  in dasd_set_feature()
2521 		devmap->features &= ~feature;  in dasd_set_feature()
2522 	if (devmap->device)  in dasd_set_feature()
2523 		devmap->device->features = devmap->features;  in dasd_set_feature()