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From: John Garry <john.garry@huawei.com>
To: Kashyap Desai <kashyap.desai@broadcom.com>, <axboe@kernel.dk>
Cc: <linux-block@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<ming.lei@redhat.com>, <hare@suse.de>
Subject: Re: [PATCH RFT 0/3] blk-mq: Optimise blk_mq_queue_tag_busy_iter() for shared tags
Date: Mon, 6 Dec 2021 09:57:39 +0000	[thread overview]
Message-ID: <e6069080-61e7-4345-8ff3-a26756a1c76c@huawei.com> (raw)
In-Reply-To: <fbdf64cd-7d31-f470-b93c-5b42a1e1cf40@huawei.com>

On 26/11/2021 11:51, John Garry wrote:
>> This patch set improves above call trace even after disk_util=0 is set.
> ok, fine. Thanks for testing.
> 
> So I guess that this is a regression, and you would want this series for 
> v5.16, right? My changes were made with v5.17 in mind.
> 
> I am not sure how Jens feels about it, since the changes are 
> significant. It would be a lot easier to argue for v5.16 if we got to 
> this point earlier in the cycle...
> 

note: I will now resend for 5.17 and add your tested-by, please let me 
know if unhappy about that.

> Anyway, it would be good to have full review first, so please help with 
> that.
> 
> @Ming, can you please give feedback on 3/3 here?

Thanks and also to Hannes for the reviews.

john

  reply	other threads:[~2021-12-06  9:57 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-02 11:27 John Garry
2021-11-02 11:27 ` [PATCH RFT 1/3] blk-mq: Drop busy_iter_fn blk_mq_hw_ctx argument John Garry
2021-11-09  3:02   ` Ming Lei
2021-11-28 10:39   ` Hannes Reinecke
2021-11-02 11:27 ` [PATCH RFT 2/3] blk-mq: Delete busy_iter_fn John Garry
2021-11-09  3:05   ` Ming Lei
2021-11-28 10:40   ` Hannes Reinecke
2021-11-02 11:27 ` [PATCH RFT 3/3] blk-mq: Optimise blk_mq_queue_tag_busy_iter() for shared tags John Garry
2021-11-28 10:43   ` Hannes Reinecke
2021-11-29  2:19   ` Ming Lei
2021-11-15 15:56 ` [PATCH RFT 0/3] " John Garry
2021-11-15 16:31   ` Kashyap Desai
2021-11-25 13:46   ` Kashyap Desai
2021-11-25 14:09     ` John Garry
2021-11-26 11:25       ` Kashyap Desai
2021-11-26 11:51         ` John Garry
2021-12-06  9:57           ` John Garry [this message]
2021-12-06 10:03             ` Kashyap Desai
2021-12-08 13:04               ` John Garry

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