Subject: Re: [PATCH v2 0/3] blk-mq: Optimise blk_mq_queue_tag_busy_iter() for
 shared tags
To:     Jens Axboe <axboe@kernel.dk>
CC:     <linux-block@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <ming.lei@redhat.com>, <kashyap.desai@broadcom.com>, <hare@suse.de>
References: <1638794990-137490-1-git-send-email-john.garry@huawei.com>
 <67feacc8-3da7-90de-cc0c-f8b529f84297@kernel.dk>
 <544f60f5-a367-a1a0-5a21-9708a7e8d2e1@huawei.com>
 <930e8d6b-1e5a-fc06-47de-9ea9fee9fcc0@kernel.dk>
From:   John Garry <john.garry@huawei.com>
Message-ID: <2d4b2468-a5a8-cc8b-d238-92791a9e813c@huawei.com>
Date:   Mon, 6 Dec 2021 19:59:45 +0000
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101
 Thunderbird/68.12.1
MIME-Version: 1.0
In-Reply-To: <930e8d6b-1e5a-fc06-47de-9ea9fee9fcc0@kernel.dk>
Content-Type: text/plain; charset="utf-8"; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 06/12/2021 19:48, Jens Axboe wrote:
>> The first two patches aren't fixes, but are general dev. As for the
>> last, it prob should go as a fix for 5.16, but I was not sure how you
>> would feel about that - it's not a trivial change, we're late in the
>> cycle, and Kashyap was happy for 5.17 .
>>

Hi Jens,

>> Let me know if the last could be accepted as a fix and I'll re-send
>> separately with a fixes tag.
> Regardless of whether it's going into 5.16 or 5.17 it should have a
> fixes tag.

ok, so patch 3/3 would fix commit e155b0c238b2 ("blk-mq: Use shared tags 
for shared sbitmap support")

I'll reply to that one with a fixes tag and I think that b4 would pick 
it up in case.

Cheers,
John