linux-kernel - Re: [f2fs-dev] [PATCH v5] f2fs:Add write priority option based on zone UFS

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Message-Id: 
 <172290065174.2803.15142106569963496847.git-patchwork-notify@kernel.org>
Date: Mon, 05 Aug 2024 23:30:51 +0000
From: patchwork-bot+f2fs@...nel.org
To: Liao Yuanhong <liaoyuanhong@...o.com>
Cc: jaegeuk@...nel.org, chao@...nel.org, linux-kernel@...r.kernel.org,
 bo.wu@...o.com, linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH v5] f2fs:Add write priority option based on zone
 UFS

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@...nel.org>:

On Mon, 15 Jul 2024 20:34:51 +0800 you wrote:
> Currently, we are using a mix of traditional UFS and zone UFS to support
> some functionalities that cannot be achieved on zone UFS alone. However,
> there are some issues with this approach. There exists a significant
> performance difference between traditional UFS and zone UFS. Under normal
> usage, we prioritize writes to zone UFS. However, in critical conditions
> (such as when the entire UFS is almost full), we cannot determine whether
> data will be written to traditional UFS or zone UFS. This can lead to
> significant performance fluctuations, which is not conducive to
> development and testing. To address this, we have added an option
> zlu_io_enable under sys with the following three modes:
> 1) zlu_io_enable == 0:Normal mode, prioritize writing to zone UFS;
> 2) zlu_io_enable == 1:Zone UFS only mode, only allow writing to zone UFS;
> 3) zlu_io_enable == 2:Traditional UFS priority mode, prioritize writing to
> traditional UFS.
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,v5] f2fs:Add write priority option based on zone UFS
    https://git.kernel.org/jaegeuk/f2fs/c/8444ce524947

You are awesome, thank you!
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