MODE_CHANGED      237 read-cache.c   		return MODE_CHANGED | DATA_CHANGED | TYPE_CHANGED;
MODE_CHANGED      247 read-cache.c   			changed |= MODE_CHANGED;
MODE_CHANGED      332 read-cache.c   		return DATA_CHANGED | TYPE_CHANGED | MODE_CHANGED;
MODE_CHANGED      375 read-cache.c   	if (changed & (MODE_CHANGED | TYPE_CHANGED))