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

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Date:   Fri, 22 Nov 2019 16:42:10 +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

Jens,
5.5 has arrived too, and this version should do what you asked.  Can
you please consider this series?

Thanks,
Paolo

> Il giorno 4 nov 2019, alle ore 07:55, Paolo Valente <paolo.valente@...aro.org> ha scritto:
> 
> 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
>>> 
>> 
>