linux-kernel - Re: [PATCH] f2fs: remove gc_urgent_high

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Date:   Thu, 10 Nov 2022 13:07:48 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Yangtao Li <frank.li@...o.com>
Cc:     chao@...nel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] f2fs: remove gc_urgent_high_remaining node

On 11/10, Yangtao Li wrote:
> Hi Jaegeuk,
> 
> > Hi,
> 
> > I modified and integrated some patches as below. Could you please take a look?
> 
> > https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev&id=d34f1e7212c1965a409d4581a32a92a1c91495fc
> 
> I've looked at the relevant changes on the branch, looks good to me.
> 
> One small question, does the name need to be changed to gc_remaining_count?
> There are already controls based on the number of gcs, maybe we can add a
> gc_remaining_ms later? Control the gc mode based on the expected time. When
> the count is reduced to 0 or the gc ends and the expected value is reached,
> switch back to the normal mode.

Please check the latest patch which replaced it with gc_remaining_trials.

I think the time-based control can be managed by user side instead of kernel.


> 
> Thx,
> Yangtao