linux-ext4 - Re: [PATCH v4 2/3] ext4: hold group lock in ext4 kunit test

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Message-ID: <49cdff8f-65b4-4784-9789-34af07ee40c7@roeck-us.net>
Date: Mon, 4 Mar 2024 10:55:40 -0800
From: Guenter Roeck <linux@...ck-us.net>
To: Kemeng Shi <shikemeng@...weicloud.com>
Cc: tytso@....edu, adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org, naresh.kamboju@...aro.org,
	daniel.diaz@...aro.org, brauner@...nel.org
Subject: Re: [PATCH v4 2/3] ext4: hold group lock in ext4 kunit test

On Tue, Mar 05, 2024 at 12:35:42AM +0800, Kemeng Shi wrote:
> Although there is no concurrent block allocation/free in unit test,
> internal functions mb_mark_used and mb_free_blocks assert group
> lock is always held. Acquire group before calling mb_mark_used and
> mb_free_blocks in unit test to avoid the assertion.
> 
> Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
> Reported-by: Guenter Roeck <linux@...ck-us.net>

Tested-by: Guenter Roeck <linux@...ck-us.net>