linux-kernel - Re: [f2fs-dev] [PATCH V2] f2fs: Avoid double lock for cp

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Message-ID: <07a820a2-b3b3-32ca-75ce-ceaca106d2c6@web.de>
Date:   Mon, 27 Apr 2020 12:38:23 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Sayali Lokhande <sayalil@...eaurora.org>,
        linux-f2fs-devel@...ts.sourceforge.net,
        Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <yuchao0@...wei.com>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [f2fs-dev] [PATCH V2] f2fs: Avoid double lock for cp_rwsem during
 checkpoint

> … This results in deadlock as
> iput() tries to hold cp_rwsem, which is already held at the
> beginning by checkpoint->block_operations().

Will another imperative wording become helpful besides the provided information
for this change description?
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?id=6a8b55ed4056ea5559ebe4f6a4b247f627870d4c#n151

Would you like to add the tag “Fixes” because of adjustments
for the data synchronisation?

Regards,
Markus