linux-kernel - Re: [PATCH 1/2] f2fs: Optimize excessive write operations caused by continuous background garbage collection in Zoned UFS

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Message-ID: <759bf645-6460-4d0c-a7c8-4cf40eb80a3a@kernel.org>
Date: Mon, 15 Sep 2025 16:25:07 +0800
From: Chao Yu <chao@...nel.org>
To: Liao Yuanhong <liaoyuanhong@...o.com>, Jaegeuk Kim <jaegeuk@...nel.org>,
 "open list:F2FS FILE SYSTEM" <linux-f2fs-devel@...ts.sourceforge.net>,
 open list <linux-kernel@...r.kernel.org>
Cc: chao@...nel.org
Subject: Re: [PATCH 1/2] f2fs: Optimize excessive write operations caused by
 continuous background garbage collection in Zoned UFS

On 9/9/25 21:44, Liao Yuanhong wrote:
> Incorporate a check using has_enough_dirty_blocks() to prevent redundant
> background GC in Zoned UFS. When there are insufficient dirty segments,
> continuous execution of background GC should be avoided, as it results in
> unnecessary write operations and impacts device lifespan. The initial
> threshold is set to 3 * section size (since f2fs data uses three write
> pointers).
> 
> Signed-off-by: Liao Yuanhong <liaoyuanhong@...o.com>

Reviewed-by: Chao Yu <chao@...nel.org>

Thanks,