Messages in this thread | | | Date | Thu, 3 Oct 2019 16:51:06 +0200 | From | Michal Koutný <> | Subject | Re: [PATCH 08/10] blkcg: implement blk-iocost |
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Hi (and apology for relatively late reply).
On Tue, Sep 10, 2019 at 09:08:55AM -0700, Tejun Heo <tj@kernel.org> wrote: > I can implement the switching if so. I see the "conflict" is solved by the switching.
> Initially, I put them under block device sysfs but it was too clumsy > with different config file formats and all. Do you have any more details on that? In the end, it all boils down to a daemon/setup utility writing into the control files and it can use whatever config files it decides, can't it?
> I think it's better to have global controller configs at the root > cgroup. I agree with the "global controller" configs, however, does it also hold for "global controller per-device" configs? They seem closer to the device than the controller. Potentially, the parameters could be used by some other consumers in the future. (I'm not opposing the current form, I just want to explore the space before an API is fixed.)
> Not at all. These are system-wide configs. cgroup namespaces > shouldn't have anything which aren't in non-root cgroups. Thanks, I understand the cgroup namespaces are not meant to be transparent to their members.
Michal [unhandled content-type:application/pgp-signature] | |