On Wed, Nov 10, 2010 at 5:59 PM, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > On Tue, Nov 9, 2010 at 5:32 PM, Dave Chinner <david@xxxxxxxxxxxxx> wrote: >> >> Don't forget to mention data=writeback is not the default because if >> your system crashes or you lose power running in this mode it will >> *CORRUPT YOUR FILESYSTEM* and you *WILL LOSE DATA*. > > You will lose data even with data=ordered. All the data that didn't > get logged before the crash is lost anyway. Linus, are you using with data=writeback? Those of us, who did (without UPS), will never do it again. Propability of non-trivial FS corruption becomes so much bigger. I believe from my experience, average number of crashes before one loses FS becomes single digit number. With data=ordered, it's quite hard. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>