"Garrett D'Amore" <Garrett.Damore at sun.com> wrote:
> Garrett D'Amore wrote:
> > ?????????? ???????????????????????? wrote:
> >> Why is m_blksize unsigned 32bit?
> >> Do you want to repeat the story of '640KB are enough'?
> >> Please make m_blksize an uint64 for the sake of future users who want
> >> to address more than 4GB as block.
> >>
> > The block size is the minimum addressable unit of data. It is *not*
> > the maximum address. In fact, with the way this is specified, you
> > could in theory describe a device capable of storing 2^92 bytes of
> > data. Although to achieve that, you'd have to use 4GB blocks.
>
> Sorry, that's in error... it should be 2^96. (Apparently I had trouble
> adding 64 and 32.)
And BTW, if you asume one bit per atom, you would need already more than
one ton of active storage mass for 95 bits ;-)
J?rg
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