Puoi disabilitare anche solo il journal di EXT4: http://cptl.org/wp/index.php/2010/03/30/tuning-solid-state-drives-in-linux/ http://forum.xda-developers.com/showthread.php?t=1252028 http://cybergav.in/2011/11/15/how-to-disableenable-journaling-on-an-ext4-filesystem/