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Date:   Mon, 13 Feb 2023 12:39:27 +0530
From:   Ojaswin Mujoo <ojaswin@...ux.ibm.com>
To:     Kemeng Shi <shikemeng@...weicloud.com>
Cc:     tytso@....edu, adilger.kernel@...ger.ca, jack@...e.cz,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 06/21] ext4: correct start of used group pa for debug in
 ext4_mb_use_group_pa

On Fri, Feb 10, 2023 at 03:48:10AM +0800, Kemeng Shi wrote:
> As we don't correct pa_lstart here, so there is no need to subtract
> pa_lstart with consumed len.
> 
> Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
> ---
>  fs/ext4/mballoc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
> index 2bffc93778d5..433337ac8da2 100644
> --- a/fs/ext4/mballoc.c
> +++ b/fs/ext4/mballoc.c
> @@ -4319,7 +4319,7 @@ static void ext4_mb_use_group_pa(struct ext4_allocation_context *ac,
>  	 * Other CPUs are prevented from allocating from this pa by lg_mutex
>  	 */
>  	mb_debug(ac->ac_sb, "use %u/%u from group pa %p\n",
> -		 pa->pa_lstart-len, len, pa);
> +		 pa->pa_lstart, len, pa);
>  }
>  
>  /*
> -- 
> 2.30.0
> 
Looks good, feel free to add:

Reviewed-by: Ojaswin Mujoo <ojaswin@...ux.ibm.com> 

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