Re: [PATCH] scsi/sd: Fix size output in MB

From: Pierre Ossman
Date: Sat Aug 30 2008 - 18:13:35 EST


On Sat, 30 Aug 2008 16:45:49 -0500
James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote:

> On Sat, 2008-08-30 at 22:59 +0200, Pierre Ossman wrote:
> > On Sat, 30 Aug 2008 11:45:16 -0600
> > Matthew Wilcox <matthew@xxxxxx> wrote:
> >
> > >
> > > 2. We should report in GB or TB when appropriate. The exact definition
> > > of 'appropriate' is going to vary from person to person. Might I
> > > suggest that we should report between two and four significant digits.
> > > eg 9543 MB is ok, 10543 MB should be 10 GB.
> > >
> >
> > I've been looking at doing something like this for the mmc_block
> > driver, so a generic helper is welcome. :)
>
> Does MMC have the 10^3 requirement like SCSI/ATA disks do, or can you
> use 2^10 like standard computer stuff for capacities?
>

Some do, some don't. I prefer the 2^10 and MiB variants as it avoids
ambiguity.

Rgds
--
-- Pierre Ossman

Linux kernel, MMC maintainer http://www.kernel.org
rdesktop, core developer http://www.rdesktop.org

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