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From: patchwork-bot+f2fs@kernel.org
To: Chao Yu <chao@kernel.org>
Cc: jaegeuk@kernel.org, linux-kernel@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH] f2fs: use f2fs_{down, up}_(read, write}_trace() for nat_tree_lock
Date: Fri, 21 Aug 2026 15:50:07 +0000	[thread overview]
Message-ID: <178732740714.1339488.2738118422362472739.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260817111916.1648354-1-chao@kernel.org>

Hello:

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

On Mon, 17 Aug 2026 11:19:16 +0000 you wrote:
> Under heavy workloads or during background GC/fallocate operations,
> nat_tree_lock can experience high lock contention between background
> readers (e.g. f2fs_get_node_info() in gc_data_segment) and writers
> (e.g. flush_nat_entries, set_node_addr, shrinker).
> 
> [375067.327986][T13777]  schedule+0x4c/0x114
> [375067.327997][T13777]  f2fs_get_node_info+0x438/0x5c4
> [375067.328002][T13777]  f2fs_get_inode_page+0x1e0/0x3f0
> [375067.328013][T13777]  f2fs_iget+0x88/0x1180
> [375067.328024][T13777]  f2fs_lookup+0x168/0x3a8
> [375067.328035][T13777]  path_openat+0xa28/0x1b04
> [375067.328046][T13777]  do_filp_open+0xac/0x130
> [375067.328056][T13777]  do_sys_openat2+0x140/0x21c
> [375067.328066][T13777]  __arm64_sys_openat+0x70/0x9c
> 
> [...]

Here is the summary with links:
  - [f2fs-dev] f2fs: use f2fs_{down, up}_(read, write}_trace() for nat_tree_lock
    https://git.kernel.org/jaegeuk/f2fs/c/f9c899ec50ab

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      reply	other threads:[~2026-08-21 15:50 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-17 11:19 [PATCH] f2fs: use f2fs_{down,up}_(read,write}_trace() for nat_tree_lock Chao Yu
2026-08-21 15:50 ` patchwork-bot+f2fs [this message]

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