On Saturday 17 July 2010 07:51:30 Mark Harris wrote: > David Howells wrote: > > With a 2:2 split between exponent > > (tv_gran_units) and mantissa (tv_granularity), you can do: > > > > UNIT SECONDS/UNIT EXPONENT MANTISSA > > nanoseconds 0.000000001 -9 1 > > microseconds 0.000001 -6 1 > > millseconds 0.001 -3 1 > > seconds 1 0 1 > > minutes 60 1 6 > > hours 3600 2 36 > > days 86400 2 864 > > weeks 604800 2 6048 > > At least for the in-tree filesystems, I do not see any that keep > timestamps with a granularity larger than 2s. For that, a simple > 32-bit tv_granularity in nanoseconds (not limited to 1e9) would > suffice, and there is no need for the complexity of dealing with > a separate exponent. Yes, good point. That would indeed be a significant simplification. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
