linux-kernel - Re: [f2fs-dev] [PATCH v2 1/2] f2fs: fix to shrink read extent node in batches

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Message-Id: 
 <173237703949.3018181.7264272337903464166.git-patchwork-notify@kernel.org>
Date: Sat, 23 Nov 2024 15:50:39 +0000
From: patchwork-bot+f2fs@...nel.org
To: Chao Yu <chao@...nel.org>
Cc: jaegeuk@...nel.org, xiuhong.wang@...soc.com, zhiguo.niu@...soc.com,
 linux-kernel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH v2 1/2] f2fs: fix to shrink read extent node in
 batches

Hello:

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

On Fri, 22 Nov 2024 14:50:04 +0800 you wrote:
> We use rwlock to protect core structure data of extent tree during
> its shrink, however, if there is a huge number of extent nodes in
> extent tree, during shrink of extent tree, it may hold rwlock for
> a very long time, which may trigger kernel hang issue.
> 
> This patch fixes to shrink read extent node in batches, so that,
> critical region of the rwlock can be shrunk to avoid its extreme
> long time hold.
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,v2,1/2] f2fs: fix to shrink read extent node in batches
    https://git.kernel.org/jaegeuk/f2fs/c/3fc5d5a182f6
  - [f2fs-dev,v2,2/2] f2fs: add a sysfs node to limit max read extent count per-inode
    https://git.kernel.org/jaegeuk/f2fs/c/009a8241a8e5

You are awesome, thank you!
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