linux-kernel - Re: [PATCH -next -v2] ext4: Fix jbd2_journal_shrink_scan() and jbd2_journal_shrink

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Date:   Mon, 10 Jan 2022 14:44:45 +0100
From:   Jan Kara <jack@...e.cz>
To:     Yang Li <yang.lee@...ux.alibaba.com>
Cc:     jack@...e.com, tytso@....edu, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org, Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH -next -v2] ext4: Fix jbd2_journal_shrink_scan() and
 jbd2_journal_shrink_count() kernel-doc comment

On Mon 10-01-22 21:28:41, Yang Li wrote:
> Add the description of @shrink and @sc in jbd2_journal_shrink_scan() and
> jbd2_journal_shrink_count() kernel-doc comment to remove warnings found
> by running scripts/kernel-doc, which is caused by using 'make W=1'.
> fs/jbd2/journal.c:1296: warning: Function parameter or member 'shrink'
> not described in 'jbd2_journal_shrink_scan'
> fs/jbd2/journal.c:1296: warning: Function parameter or member 'sc' not
> described in 'jbd2_journal_shrink_scan'
> fs/jbd2/journal.c:1320: warning: Function parameter or member 'shrink'
> not described in 'jbd2_journal_shrink_count'
> fs/jbd2/journal.c:1320: warning: Function parameter or member 'sc' not
> described in 'jbd2_journal_shrink_count'
> 
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>

Thanks! Feel free to add:

Reviewed-by: Jan Kara <jack@...e.cz>

								Honza

> ---
>  fs/jbd2/journal.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
> index f13d548e4a7f..ad32fd92d251 100644
> --- a/fs/jbd2/journal.c
> +++ b/fs/jbd2/journal.c
> @@ -1287,6 +1287,8 @@ static int jbd2_min_tag_size(void)
>  
>  /**
>   * jbd2_journal_shrink_scan()
> + * @shrink: shrinker to work on
> + * @sc: reclaim request to process
>   *
>   * Scan the checkpointed buffer on the checkpoint list and release the
>   * journal_head.
> @@ -1312,6 +1314,8 @@ static unsigned long jbd2_journal_shrink_scan(struct shrinker *shrink,
>  
>  /**
>   * jbd2_journal_shrink_count()
> + * @shrink: shrinker to work on
> + * @sc: reclaim request to process
>   *
>   * Count the number of checkpoint buffers on the checkpoint list.
>   */
> -- 
> 2.20.1.7.g153144c
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR