linux-kernel - Re: [PATCH 2/2] block: remove blk_mq_in_flight() and blk_mq_in_flight

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Date: Sun, 24 Mar 2024 17:57:30 -0400
From: Mike Snitzer <snitzer@...nel.org>
To: Yu Kuai <yukuai1@...weicloud.com>
Cc: ming.lei@...hat.com, hch@....de, bvanassche@....org, axboe@...nel.dk,
	mpatocka@...hat.com, linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org, yi.zhang@...wei.com,
	yangerkun@...wei.com, "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH 2/2] block: remove blk_mq_in_flight() and
 blk_mq_in_flight_rw()

On Sat, Mar 23 2024 at 10:11P -0400,
Yu Kuai <yukuai1@...weicloud.com> wrote:

> Hi,
> 
> 在 2024/03/24 0:05, Mike Snitzer 写道:
> > On Fri, Mar 22 2024 at 11:59P -0400,
> > Yu Kuai <yukuai1@...weicloud.com> wrote:
> > 
> > > From: Yu Kuai <yukuai3@...wei.com>
> > > 
> > > Now that blk-mq also use per_cpu counter to trace inflight as bio-based
> > > device, they can be replaced by part_in_flight() and part_in_flight_rw()
> > > directly.
> > 
> > Please reference the commit that enabled this, e.g.:
> > 
> > With commit XXXXX ("commit subject") blk-mq was updated to use per_cpu
> > counters to track inflight IO same as bio-based devices, so replace
> > blk_mq_in_flight* with part_in_flight() and part_in_flight_rw()
> > accordingly.
> 
> Patch 1 in this set do this, so there is no commit xxx yet.
> 
> Thanks,
> Kuai

Would've helped if I looked at 1/2, but please say:

With the previous commit blk-mq was updated to use per_cpu ...