linux-kernel - Re: [PATCH v6 0/4] Charge loop device i/o to issuing cgroup

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Message-ID: <20200821150405.GA4137@dschatzberg-fedora-PC0Y6AEN.dhcp.thefacebook.com>
Date:   Fri, 21 Aug 2020 11:04:05 -0400
From:   Dan Schatzberg <schatzberg.dan@...il.com>
To:     Shakeel Butt <shakeelb@...gle.com>
Cc:     Jens Axboe <axboe@...nel.dk>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Jan Kara <jack@...e.cz>, Amir Goldstein <amir73il@...il.com>,
        Tejun Heo <tj@...nel.org>, Li Zefan <lizefan@...wei.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Hugh Dickins <hughd@...gle.com>, Roman Gushchin <guro@...com>,
        Chris Down <chris@...isdown.name>,
        Yang Shi <yang.shi@...ux.alibaba.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        "open list:BLOCK LAYER" <linux-block@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:FILESYSTEMS (VFS and infrastructure)" 
        <linux-fsdevel@...r.kernel.org>,
        "open list:CONTROL GROUP (CGROUP)" <cgroups@...r.kernel.org>,
        "open list:CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)" 
        <linux-mm@...ck.org>
Subject: Re: [PATCH v6 0/4] Charge loop device i/o to issuing cgroup

On Thu, Aug 20, 2020 at 10:06:44AM -0700, Shakeel Butt wrote:
> On Thu, May 28, 2020 at 6:55 AM Dan Schatzberg <schatzberg.dan@...il.com> wrote:
> >
> > Much of the discussion about this has died down. There's been a
> > concern raised that we could generalize infrastructure across loop,
> > md, etc. This may be possible, in the future, but it isn't clear to me
> > how this would look like. I'm inclined to fix the existing issue with
> > loop devices now (this is a problem we hit at FB) and address
> > consolidation with other cases if and when those need to be addressed.
> >
> 
> What's the status of this series?

Thanks for reminding me about this. I haven't got any further
feedback. I'll bug Jens to take a look and see if he has any concerns
and if not send a rebased version.