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

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Message-Id: <DE7EFCFA-D8A6-48EB-AE46-0C7D813A2095@linaro.org>
Date:   Mon, 4 Nov 2019 07:55:39 +0100
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 Natalenko <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

Hi Jens,
no issue has been raised in more than a month, and this version was
requested by Tejun and is backed by you. So can it be queued for 5.5?

Thanks,
Paolo

> Il giorno 23 ott 2019, alle ore 07:44, Paolo Valente <paolo.valente@...aro.org> ha scritto:
> 
> 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
>> 
>