linux-kernel - Re: [PATCH 2/3] block: factor out common code for part_stat_show() and diskstats

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Date:   Fri, 25 Mar 2022 01:46:05 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Yu Kuai <yukuai3@...wei.com>
Cc:     axboe@...nel.dk, mpatocka@...hat.com, snitzer@...hat.com,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        yi.zhang@...wei.com
Subject: Re: [PATCH 2/3] block: factor out common code for part_stat_show()
 and diskstats_show()

On Thu, Mar 17, 2022 at 07:26:52PM +0800, Yu Kuai wrote:
> part_stat_show() and diskstats_show() are very similar, just factor out
> common code.

Well, it doesn't really "factor" much, but creates a big and pretty
unmaintainble macro.  I don't really see the benefit here.