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From: Damien Le Moal <dlemoal@kernel.org>
To: Zhaoyang Huang <huangzhaoyang@gmail.com>,
	Niklas Cassel <Niklas.Cassel@wdc.com>
Cc: "zhaoyang.huang" <zhaoyang.huang@unisoc.com>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	Hannes Reinecke <hare@suse.de>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"steve.kang@unisoc.com" <steve.kang@unisoc.com>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	Bart Van Assche <bvanassche@acm.org>
Subject: Re: [PATCH 1/1] block: print warning when invalid domain set to ioprio
Date: Thu, 1 Feb 2024 08:59:36 +0900	[thread overview]
Message-ID: <487ac3ad-2343-451b-a84e-153d0b01dee4@kernel.org> (raw)
In-Reply-To: <CAGWkznGOjsA3eGRt4i-1XAt=39ce7vaN7=zciimLJOMg=HD7Zw@mail.gmail.com>

On 2/1/24 08:34, Zhaoyang Huang wrote:
> On Wed, Jan 31, 2024 at 9:07 PM Niklas Cassel <Niklas.Cassel@wdc.com> wrote:
>> This sound like either a bug in the FS or by some of your local changes
>> that you did for your other patch (ioprio based on activity).
> Yes. That's why I would like to suggest adding some information here
> to help developers find the clue quickly.

The backtrace was not clear enough ?

When a request reaches mq-deadline, the request priority is supposed to be
correct already. Your changes had a bug and broke that assumption. Please fix
that instead of adding error messages for errors that should never happen in the
first place.

-- 
Damien Le Moal
Western Digital Research


      reply	other threads:[~2024-01-31 23:59 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-31 12:14 [PATCH 1/1] block: print warning when invalid domain set to ioprio zhaoyang.huang
2024-01-31 12:52 ` Niklas Cassel
2024-01-31 13:07   ` Niklas Cassel
2024-01-31 23:34     ` Zhaoyang Huang
2024-01-31 23:59       ` Damien Le Moal [this message]

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