linux-kernel - Re: [PATCH] block,bfq: Disable writeback throttling

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Message-Id: <074F0872-7B5C-450C-835D-8869DE1F17B4@linaro.org>
Date:   Tue, 19 Sep 2017 09:03:38 +0200
From:   Paolo Valente <paolo.valente@...aro.org>
To:     oleksandr@...alenko.name
Cc:     Jens Axboe <axboe@...nel.dk>,
        linux-block <linux-block@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Luca Miccio <lucmiccio@...il.com>
Subject: Re: [PATCH] block,bfq: Disable writeback throttling


> Il giorno 14 set 2017, alle ore 09:14, oleksandr@...alenko.name ha scritto:
> 
> Tested-by: Oleksandr Natalenko <oleksandr@...alenko.name>
> 
>> Similarly to CFQ, BFQ has its write-throttling heuristics, and it
>> is better not to combine them with further write-throttling
>> heuristics of a different nature.
>> So this commit disables write-back throttling for a device if BFQ
>> is used as I/O scheduler for that device.
>> Signed-off-by: Luca Miccio <lucmiccio@...il.com>
>> Signed-off-by: Paolo Valente <paolo.valente@...aro.org>
>> ---
>> block/bfq-iosched.c | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)

Hi Jens,
did you have time to look into this?

Thanks,
Paolo