From: Christian Brauner <brauner@kernel.org>
To: Julian Sun <sunjunchao@bytedance.com>
Cc: Christian Brauner <brauner@kernel.org>,
jack@suse.cz, linux-fsdevel@vger.kernel.org,
viro@zeniv.linux.org.uk
Subject: Re: (subset) [PATCH v3 2/2] writeback: Add logging for slow writeback (exceeds sysctl_hung_task_timeout_secs)
Date: Mon, 6 Oct 2025 12:44:06 +0200 [thread overview]
Message-ID: <20251006-umwandeln-umtrunk-63d55eb766f5@brauner> (raw)
In-Reply-To: <20250930071829.1898889-1-sunjunchao@bytedance.com>
On Tue, 30 Sep 2025 15:18:29 +0800, Julian Sun wrote:
> When a writeback work lasts for sysctl_hung_task_timeout_secs, we want
> to identify that there are tasks waiting for a long time-this helps us
> pinpoint potential issues.
>
> Additionally, recording the starting jiffies is useful when debugging a
> crashed vmcore.
>
> [...]
Applied to the vfs-6.19.writeback branch of the vfs/vfs.git tree.
Patches in the vfs-6.19.writeback branch should appear in linux-next soon.
Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.
It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.
Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs-6.19.writeback
[2/2] writeback: Add logging for slow writeback (exceeds sysctl_hung_task_timeout_secs)
https://git.kernel.org/vfs/vfs/c/51d8f1c7919e
next prev parent reply other threads:[~2025-10-06 10:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-30 6:56 [PATCH v3 1/2] writeback: Wake up waiting tasks when finishing the writeback of a chunk Julian Sun
2025-09-30 7:18 ` [PATCH v3 2/2] writeback: Add logging for slow writeback (exceeds sysctl_hung_task_timeout_secs) Julian Sun
2025-09-30 7:31 ` Jan Kara
2025-10-06 10:44 ` Christian Brauner [this message]
2025-09-30 8:53 ` [PATCH v3 1/2] writeback: Wake up waiting tasks when finishing the writeback of a chunk Julian Sun
2025-09-30 8:59 ` Jan Kara
2025-10-06 10:44 ` (subset) " Christian Brauner
2025-10-06 14:29 ` [External] " Julian Sun
2025-10-07 14:37 ` Julian Sun
2025-10-10 11:10 ` Christian Brauner
2025-10-10 11:28 ` Julian Sun
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