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SubjectRe: [patch 0/4] [RFC] Another proportional weight IO controller
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On Thu, 2008-11-06 at 10:30 -0500, vgoyal@redhat.com wrote:
> Hi,
>
> If you are not already tired of so many io controller implementations, here
> is another one.
>
> This is a very eary very crude implementation to get early feedback to see
> if this approach makes any sense or not.
>
> This controller is a proportional weight IO controller primarily
> based on/inspired by dm-ioband. One of the things I personally found little
> odd about dm-ioband was need of a dm-ioband device for every device we want
> to control. I thought that probably we can make this control per request
> queue and get rid of device mapper driver. This should make configuration
> aspect easy.
>
> I have picked up quite some amount of code from dm-ioband especially for
> biocgroup implementation.
>
> I have done very basic testing and that is running 2-3 dd commands in different
> cgroups on x86_64. Wanted to throw out the code early to get some feedback.
>
> More details about the design and how to are in documentation patch.
>
> Your comments are welcome.

please include

QUILT_REFRESH_ARGS="--diffstat --strip-trailing-whitespace"

in your environment or .quiltrc

I would expect all those bio* files to be placed in block/ not mm/

Does this still require I use dm, or does it also work on regular block
devices? Patch 4/4 isn't quite clear on this.


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