http://lwn.net/Articles/320284/ http://www.ibm.com/developerworks/linux/library/l-anatomy-ext4/index.html?ca=drs- Give it a good read....:-). -- Regards, Peter Teoh -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ