linux-kernel - Re: nilfs2: Fix reference count leak in nilfs_sysfs_create_snapshot

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Date:   Fri, 29 May 2020 06:51:42 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Qiushi Wu <wu000273@....edu>, linux-nilfs@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Kangjie Lu <kjlu@....edu>,
        Ryusuke Konishi <konishi.ryusuke@...il.com>,
        Vyacheslav Dubeyko <Vyacheslav.Dubeyko@...t.com>
Subject: Re: nilfs2: Fix reference count leak in
 nilfs_sysfs_create_snapshot_group()

> I think there is only one object that can be modified in this function,

Such a view can be reasonable.


> so I didn't mention it.

I suggest to reconsider the conclusion.


>> I guess that an imperative wording is preferred also for this change description.
>
> This sentence is referenced from the code comment, so I haven't change it.
> https://elixir.bootlin.com/linux/v5.7-rc7/source/lib/kobject.c#L459

I find that that there are further possibilities to consider for improvements
around the presented commit message (even after the mentioned copy
from the function description of this programming interface).


>> How do you think about to combine this update step together with
>> “nilfs2: Fix reference count leak in nilfs_sysfs_create_device_group”
>> into a small patch series?
>
> I'd like to improve the similar issues after I reporting this bunch of bugs.

Did you find questionable implementation details with the help of an evolving
source code analysis tool?

Regards,
Markus