142 static int o2hb_region_pin(const char *region_uuid);
143 static void o2hb_region_unpin(const char *region_uuid);
2268 static int o2hb_region_pin(const char *region_uuid)  in o2hb_region_pin()  argument
2283 		if (region_uuid) {  in o2hb_region_pin()
2284 			if (strcmp(region_uuid, uuid))  in o2hb_region_pin()
2321 static void o2hb_region_unpin(const char *region_uuid)  in o2hb_region_unpin()  argument
2334 		if (region_uuid) {  in o2hb_region_unpin()
2335 			if (strcmp(region_uuid, uuid))  in o2hb_region_unpin()
2350 static int o2hb_region_inc_user(const char *region_uuid)  in o2hb_region_inc_user()  argument
2358 	    ret = o2hb_region_pin(region_uuid);  in o2hb_region_inc_user()
2379 static void o2hb_region_dec_user(const char *region_uuid)  in o2hb_region_dec_user()  argument
2385 	    o2hb_region_unpin(region_uuid);  in o2hb_region_dec_user()
2401 int o2hb_register_callback(const char *region_uuid,  in o2hb_register_callback()  argument
2417 	if (region_uuid) {  in o2hb_register_callback()
2418 		ret = o2hb_region_inc_user(region_uuid);  in o2hb_register_callback()
2445 void o2hb_unregister_callback(const char *region_uuid,  in o2hb_unregister_callback()  argument
2457 	if (region_uuid)  in o2hb_unregister_callback()
2458 		o2hb_region_dec_user(region_uuid);  in o2hb_unregister_callback()