linux-kernel - Re: [PATCH RFT 0/3] blk-mq: Optimise blk_mq_queue_tag_busy

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Message-ID: <ef0df45a-f248-b729-5fef-393efe68b205@huawei.com>
Date:   Wed, 8 Dec 2021 13:04:40 +0000
From:   John Garry <john.garry@...wei.com>
To:     Kashyap Desai <kashyap.desai@...adcom.com>, <axboe@...nel.dk>
CC:     <linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <ming.lei@...hat.com>, <hare@...e.de>
Subject: Re: [PATCH RFT 0/3] blk-mq: Optimise blk_mq_queue_tag_busy_iter() for
 shared tags

On 06/12/2021 10:03, Kashyap Desai wrote:
>> note: I will now resend for 5.17 and add your tested-by, please let me
>> know if
>> unhappy about that.
> John - 5.17 should be OK. I am doing additional testing and so far no issue.
> 
> Tested-by: Kashyap Desai<kashyap.desai@...adcom.com>
> 

Hi Kashyap,

On a related topic, you mentioned in an earlier discussion another 
possible regression you saw around 5.11 or 5.12, unrelated to shared 
tags transition:
https://lore.kernel.org/linux-block/e4e92abbe9d52bcba6b8cc6c91c442cc@mail.gmail.com/

Did you come to any conclusion on that?

Thanks,
John