> Il giorno 14 giu 2019, alle ore 22:22, Tejun Heo <tj@xxxxxxxxxx> ha scritto: > > Hello, > > On Thu, Jun 13, 2019 at 08:10:38AM +0200, Paolo Valente wrote: >> BFQ does not implement weight_device, but we are not talking about >> weight_device here. More precisely, *nothing* implements weight_device >> any longer in cgroups-v1, so the documentation is wrong altogether. > > I can't see how renaming an interface file which has different > behaviors on the same input to the same name is something acceptable. > Imagine how confusing that'd be to userspace. If you want to rename > the control knob to io.weight, please implement full semantics for > both cgroup1 and cgroup2. > I want to, and I've tried to make it easier for you to point me to what is missing exactly. Once again, the only missing piece I see are per-device weights. > I just posted a separate io.weight implementation for cgroup2 but it's > easy to provide a way to override the interface files when bfq gets > selected, so let me know when you have a working implementation of the > interface. > Ok, thanks. I'll ping you when also per-device weights are available in BFQ's interface. Thanks, Paolo > Thanks. > > -- > tejun