linux-kernel - Re: [PATCH 0/2] block, bfq: make bfq disable iocost and present a double interface

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Date:   Wed, 23 Oct 2019 07:44:47 +0200
From:   Paolo Valente <paolo.valente@...aro.org>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     linux-block <linux-block@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        noreply-spamdigest via bfq-iosched 
        <bfq-iosched@...glegroups.com>, oleksandr@...alenko.name,
        Tejun Heo <tj@...nel.org>, cgroups@...r.kernel.org
Subject: Re: [PATCH 0/2] block, bfq: make bfq disable iocost and present a
 double interface

ping

> Il giorno 9 ott 2019, alle ore 16:25, Paolo Valente <paolo.valente@...aro.org> ha scritto:
> 
> Jens, Tejun,
> can we proceed with this double-interface solution?
> 
> Thanks,
> Paolo
> 
>> Il giorno 1 ott 2019, alle ore 21:33, Paolo Valente <paolo.valente@...aro.org> ha scritto:
>> 
>> Hi Jens,
>> 
>> the first patch in this series is Tejun's patch for making BFQ disable
>> io.cost. The second patch makes BFQ present both the bfq-prefixes
>> parameters and non-prefixed parameters, as suggested by Tejun [1].
>> 
>> In the first patch I've tried to use macros not to repeat code
>> twice. checkpatch complains that these macros should be enclosed in
>> parentheses. I don't see how to do it. I'm willing to switch to any
>> better solution.
>> 
>> Thanks,
>> Paolo
>> 
>> [1] https://lkml.org/lkml/2019/9/18/736
>> 
>> Paolo Valente (1):
>> block, bfq: present a double cgroups interface
>> 
>> Tejun Heo (1):
>> blkcg: Make bfq disable iocost when enabled
>> 
>> Documentation/admin-guide/cgroup-v2.rst |   8 +-
>> Documentation/block/bfq-iosched.rst     |  40 ++--
>> block/bfq-cgroup.c                      | 260 ++++++++++++------------
>> block/bfq-iosched.c                     |  32 +++
>> block/blk-iocost.c                      |   5 +-
>> include/linux/blk-cgroup.h              |   5 +
>> kernel/cgroup/cgroup.c                  |   2 +
>> 7 files changed, 201 insertions(+), 151 deletions(-)
>> 
>> --
>> 2.20.1
>