Hi Dima, On Wednesday 01 June 2011 19:32:07 you wrote: > I'm trying to analyze how different filesystems, settings and user > mode settings interact with write amplification and write endurance on > flash. > > Thus I need to get details of every write that fs issues to the > underlying block device. Have you considered either of: # iostat -d -k 1 http://linux.die.net/man/8/blktrace -- dexen deVries ``One can't proceed from the informal to the formal by formal means.'' -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html