Typically they are using 64-bit signed seconds. On May 31, 2014 11:22:37 AM PDT, Richard Cochran <richardcochran@xxxxxxxxx> wrote: >On Sat, May 31, 2014 at 05:23:02PM +0200, Arnd Bergmann wrote: >> >> It's an approximation: > >(Approximately never ;) > >> with 64-bit timestamps, you can represent close to 300 billion >> years, which is way past the time that our planet can sustain >> life of any form[1]. > >Did you mean mean 64 bits worth of seconds? > > 2^64 / (3600*24*365) = 584,942,417,355 > >That is more than 300 billion years, and still, it is not quite the >same as "never". > >In any case, that term is not too helpful in the comparison table, >IMHO. One could think that some sort of clever running count relative >to the last mount time was implied. > >Thanks, >Richard > >[1] You are forgetting the immortal robotic overlords. -- Sent from my mobile phone. Please pardon brevity and lack of formatting. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
