[SRU] Set the default IO scheduler to CFQ in Kubuntu Trusty

[Jonathan Riddell]

On Mon, Oct 13, 2014 at 11:54:54PM +0100, Dimitri John Ledkov wrote:
> Given that essentially lowest priority is requested under CFQ,
> equivalent result should be possible to achieve with cgroups
> containment.
> Specifically by limiting CPU (cpu.shares set to 100 ~= 1/10 of the
> default 1024) and/or IO weight (blkio.weight) and bandwidth
> (blkio.throttle.read_bps_device / blkio.throttle.write_iops_device) of
> the baloo process. This would then be a scheduler-independent solution
> and make baloo a truly capped resources background process.

Whyever should KDE software be rewritten to deal with Ubuntu altering
the upstream defaults of Linux?  Fix Unity.

Jonathan