From: Jens Axboe <axboe@kernel.dk>
To: Paolo Valente <paolo.valente@linaro.org>
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
ulf.hansson@linaro.org, broonie@kernel.org,
lee.tibbert@gmail.com, oleksandr@natalenko.name,
angeloruocco90@gmail.com, philm@manjaro.org
Subject: Re: [PATCH BUGFIX] block, bfq: fix bug related to the burst_size counter
Date: Mon, 9 Oct 2017 09:55:58 -0600 [thread overview]
Message-ID: <d12493f9-97a5-2004-dce4-eca32c458823@kernel.dk> (raw)
In-Reply-To: <20171009111123.2961-1-paolo.valente@linaro.org>
On 10/09/2017 05:11 AM, Paolo Valente wrote:
> Hi Jens,
> unfortunately, the patch "block, bfq: decrease burst size when queues
> in burst exit", queued for 4.15 [1] introduces a bug, described in
> detail in the commit message of this patch. If triggered, this bug may
> cause loss of control on I/O-request service order.
Applied, but please remember to add a Fixes line when you have a patch
that fixes a problem introduced by a previous patch. For this one,
I added:
Fixes: 7cb04004fa37 ("block, bfq: decrease burst size when queues in burst exit")
--
Jens Axboe
prev parent reply other threads:[~2017-10-09 15:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-09 11:11 Paolo Valente
2017-10-09 11:11 ` [PATCH BUGFIX] block, bfq: fix unbalanced decrements of burst size Paolo Valente
2017-10-09 15:55 ` Jens Axboe [this message]
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