[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <Ywd3K1+5blotUEtU@cmpxchg.org>
Date: Thu, 25 Aug 2022 09:20:43 -0400
From: Johannes Weiner <hannes@...xchg.org>
To: Chengming Zhou <zhouchengming@...edance.com>
Cc: tj@...nel.org, mkoutny@...e.com, surenb@...gle.com,
gregkh@...uxfoundation.org, corbet@....net, mingo@...hat.com,
peterz@...radead.org, songmuchun@...edance.com,
cgroups@...r.kernel.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 10/10] sched/psi: per-cgroup PSI accounting
disable/re-enable interface
On Thu, Aug 25, 2022 at 08:28:39PM +0800, Chengming Zhou wrote:
> On 2022/8/24 17:59, Johannes Weiner wrote:
> > Hi Chengming,
> >
> > Thanks for incorporating all the feedback. I have a few nitpicks
> > below, but with those considered, please add:
> >
> > Acked-by: Johannes Weiner <hannes@...xchg.org>
> >
> > On Wed, Aug 24, 2022 at 04:18:29PM +0800, Chengming Zhou wrote:
> >> @@ -5171,12 +5220,19 @@ static struct cftype cgroup_base_files[] = {
> >> {
> >> .name = "irq.pressure",
> >> .flags = CFTYPE_PRESSURE,
> >> + .file_offset = offsetof(struct cgroup, psi_files[PSI_IRQ]),
> >> .seq_show = cgroup_irq_pressure_show,
> >> .write = cgroup_irq_pressure_write,
> >> .poll = cgroup_pressure_poll,
> >> .release = cgroup_pressure_release,
> >> },
> >> #endif
> >> + {
> >> + .name = "cgroup.pressure",
> >> + .flags = CFTYPE_PRESSURE,
> >> + .seq_show = cgroup_psi_show,
> >> + .write = cgroup_psi_write,
> >
> > To match the naming convention, these should be called
> > cgroup_pressure_show() and cgroup_pressure_write().
>
> I just find cgroup_pressure_write() already exists, so I change the names
> to cgroup_pressure_enable_show() and cgroup_pressure_enable_write(),
> since this file name is simplified from "cgroup.pressure.enable".
That makes two outliers instead of one. It's probably better to steal
cgroup_pressure_write for cgroup.pressure, and rename the currently
misnamed helper. How about do_pressure_write()? pressure_write()?
Powered by blists - more mailing lists