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

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Date:   Thu, 14 Sep 2017 09:14:54 +0200
From:   oleksandr@...alenko.name
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Paolo Valente <paolo.valente@...aro.org>,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luca Miccio <lucmiccio@...il.com>
Subject: Re: [PATCH] block,bfq: Disable writeback throttling

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(-)