linux-kernel - Re: [f2fs-dev] [PATCH v2] f2fs: Fix system crash due to lack of free space in LFS

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Date:   Mon, 27 Mar 2023 16:00:20 +0000
From:   patchwork-bot+f2fs@...nel.org
To:     Yonggil Song <yonggil.song@...sung.com>
Cc:     jaegeuk@...nel.org, chao@...nel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [f2fs-dev] [PATCH v2] f2fs: Fix system crash due to lack of free
 space in LFS

Hello:

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

On Tue, 21 Mar 2023 09:12:51 +0900 you wrote:
> When f2fs tries to checkpoint during foreground gc in LFS mode, system
> crash occurs due to lack of free space if the amount of dirty node and
> dentry pages generated by data migration exceeds free space.
> The reproduction sequence is as follows.
> 
>  - 20GiB capacity block device (null_blk)
>  - format and mount with LFS mode
>  - create a file and write 20,000MiB
>  - 4k random write on full range of the file
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,v2] f2fs: Fix system crash due to lack of free space in LFS
    https://git.kernel.org/jaegeuk/f2fs/c/86003b7460ed

You are awesome, thank you!
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