linux-kernel - Re: [PATCH 06/10] writeback: Factor out code of freerun to remove repeated code

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Message-ID: <ZjJ4pjm9073R-LH0@slm.duckdns.org>
Date: Wed, 1 May 2024 07:15:18 -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 06/10] writeback: Factor out code of freerun to remove
 repeated code

On Mon, Apr 29, 2024 at 11:47:34AM +0800, Kemeng Shi wrote:
> Factor out code of freerun into new helper functions domain_poll_intv and
> domain_dirty_freerun to remove repeated code.
> 
> Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>

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

with one nit:

> +/*
> + * Throttle it only when the background writeback cannot
> + * catch-up. This avoids (excessively) small writeouts
> + * when the wb limits are ramping up in case of !strictlimit.
> + *
> + * In strictlimit case make decision based on the wb counters
> + * and limits. Small writeouts when the wb limits are ramping
> + * up are the price we consciously pay for strictlimit-ing.
> + */

Can you please reflow the above to 80col or at least seventy something?

Thanks.

-- 
tejun