linux-kernel - Re: [PATCH] dm vdo indexer: Use swap() instead of open coding it

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Message-ID: <085b205a-8658-49ba-a8cb-8ffdba9d7a85@web.de>
Date: Fri, 24 May 2024 15:48:25 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>, abaci@...ux.alibaba.com,
 dm-devel@...ts.linux.dev, kernel-janitors@...r.kernel.org,
 Matthew Sakai <msakai@...hat.com>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dm vdo indexer: Use swap() instead of open coding it

> Swap is a function interface that provides exchange function. To avoid
> code duplication, we can use swap function.

Would a wording approach (like the following) be a bit nicer
for the second sentence?

   Use existing swap() function rather than duplicating its implementation.

How do you think about to apply the summary phrase “Use swap() in swap_open_chapter()”?

> ./drivers/md/dm-vdo/indexer/index.c:207:43-44: WARNING opportunity for swap().
>
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9173

Would another indication be helpful for the involved analysis tool?
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/scripts/coccinelle/misc/swap.cocci?h=v6.9

Regards,
Markus