Re: [PATCH 1/1] block, bfq: delete "bfq" prefix from cgroup filenames

From: Jens Axboe
Date: Mon Apr 08 2019 - 11:18:05 EST

On 4/8/19 9:14 AM, Paolo Valente wrote:
>> Il giorno 8 apr 2019, alle ore 17:08, Johannes Thumshirn <jthumshirn@xxxxxxx> ha scritto:
>> On Mon, Apr 08, 2019 at 09:05:19AM -0600, Jens Axboe wrote:
>>> I did consider that, and that would be doable. But honestly, I'm having a
>>> hard time seeing what issue we are attempting to fix by doing this.
>> Yeah, I guess the real fix would be to update the documentation and the
>> expectations user-space has. Including eventual re-write of some udev rules or
>> whatever is facing these files. But to me that sounds more like a systemd or
>> even distro thing than a kernel thing.
> Unfortunately the user-space people I have interacted with find crazy
> to have to change their software to call bfq.weight the weight of a
> group. And are not willing to do it [1].

Then you need to educate them. Some of the issues were called out years
ago, at the time when we could have potentially renamed. A rename now
will solve nothing.

Jens Axboe