Next time please coordinate this with the block list and Jens, who actually wrote the patch. > hints segment type > ----- ------------ > WRITE_LIFE_SHORT CURSEG_COLD_DATA > WRITE_LIFE_EXTREME CURSEG_HOT_DATA > others CURSEG_WARM_DATA Normally cold data is data with a long lifetime, and extreme is colder than cold, so there seems to be some mismatch here.