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SubjectRe: [PATCH 08/10] blkcg: implement blk-iocost
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> Il giorno 11 set 2019, alle ore 16:16, Tejun Heo <tj@kernel.org> ha scritto:
>
> Hello,
>
> On Wed, Sep 11, 2019 at 10:18:53AM +0200, Paolo Valente wrote:
>>> The two being enabled at the same time doesn't make sense, so we can
>>> just switch over to bfq when bfq is selected as the iosched. I asked
>>> what Paolo wanted to do in terms of interface a couple times now but
>>> didn't get an answer and he posted a patch which makes the two
>>> controllers conflict, so.... Paolo, so it looks like you want to
>>> rename all bfq files to drop the bfq prefix, right?
>>
>> Yep, mainly because ... this is the solution you voted and you
>> yourself proposed [1] :)
>>
>> [1] https://patchwork.kernel.org/patch/10988261/
>
> So, that was then. Since then the interface change has been published
> and userspace, at least some of them, already had to adjust. Now, I
> don't have any opinion on the matter and flipping again will cause
> inconveniences to some subset of users. It's your call.
>

Ok, then let's go for removing bfq prefix, as expected, e.g., by
systemd community [1]. A few days ago I reposted a patch removing the
prefix from all involved parameters [2], it should make all legacy
software work again.

[1] https://github.com/systemd/systemd/issues/7057
[2] https://lkml.org/lkml/2019/9/9/47

>>> I can implement
>>> the switching if so.
>>
>> That would be perfect.
>
> Whichever way it gets decided, this is easy enough. I'll prep a
> patch.
>

Thank you for that too,
Paolo

> Thanks.
>
> --
> tejun

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