linux-kernel - Re: [PATCH 08/10] writeback: factor out balance_domain

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Date: Wed, 1 May 2024 07:21:46 -1000
From: Tejun Heo <tj@...nel.org>
To: Kemeng Shi <shikemeng@...weicloud.com>
Cc: willy@...radead.org, akpm@...ux-foundation.org, jack@...e.cz,
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/10] writeback: factor out balance_domain_limits to
 remove repeated code

> @@ -1809,19 +1817,13 @@ static int balance_dirty_pages(struct bdi_writeback *wb,
>  
>  		nr_dirty = global_node_page_state(NR_FILE_DIRTY);
>  
> -		domain_dirty_avail(gdtc, false);
> -		domain_dirty_limits(gdtc);
> -		domain_dirty_freerun(gdtc, strictlimit);
> -
> -		if (mdtc) {
> +		balance_domain_limits(gdtc, strictlimit);
> +		if (mdtc)
>  			/*
>  			 * If @wb belongs to !root memcg, repeat the same
>  			 * basic calculations for the memcg domain.
>  			 */
> -			domain_dirty_avail(mdtc, false);
> -			domain_dirty_limits(mdtc);
> -			domain_dirty_freerun(mdtc, strictlimit);
> -		}
> +			balance_domain_limits(mdtc, strictlimit);

Please keep the braces with the intervening comment. Other than that,

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun