Re: [blkback] blkback statistic counters are signed values

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Wed, Mar 06, 2013 at 11:14:11AM +0000, David Vrabel wrote:
> On 05/03/13 18:07, Zoltan Kiss wrote:
> > Hi,
> > 
> > On 04/03/13 19:22, Konrad Rzeszutek Wilk wrote:
> >> Seems like the right approach. Could you send a patch please?
> > I just sent it to you and linux-kernel@vger.kernel.org:
> > 
> > http://lkml.indiana.edu/hypermail/linux/kernel/1303.0/02306.html
> > 
> >> Thought that won't solve the problem when we overflow an 'unsigned
> >> long long'.
> > Well, I think it's good enough if the users of these values pay
> > attention, and poll these sysfs entries often enough to detect that
> > there was an overflow.
> 
> Unless my maths is wrong it will take millions of years for these sector
> count statistics to overflow.

OK, so you are saying like Bill Gates, that this ought to be enough :-)

I will take that as an Acked-by :-)
> 
> David