Re: [patch] delayacct: fix iotop on x86_64

[Dan Carpenter]

On Tue, Dec 14, 2010 at 01:32:39PM +0530, Balbir Singh wrote:
> I would rather abstract this better and I'd be apprehensive about the
> fix if iotop was at fault to begin with, I would rather fix iotop.
> IOW, are we fixing what iotop got wrong? Isn't it easier to backport
> the correct behaviour in iotop. I understand we broke the ABI, but
> user space can still live.
> 

The iotop people are definitely at fault and we should throw salmon at
the developers next time when we see them at a conference.  But in the
end, it's not really a matter of assigning blame to things.  It's just
annoying for users if the program stops working and you have to google
to figure out why the new kernel it broke iotop.

It's simple enough to paper over the bug for now, then fix it properly
in a couple years when everyone has upgraded their user space.

regards,
dan carpenter

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