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From: Tejun Heo <tj@kernel.org>
To: Junxuan Liao <ljx@cs.wisc.edu>
Cc: Chris Mason <clm@fb.com>, Josef Bacik <josef@toxicpanda.com>,
	David Sterba <dsterba@suse.com>,
	Lai Jiangshan <jiangshanlai@gmail.com>,
	linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: btrfs thread_pool_size logic out of sync with workqueue
Date: Tue, 29 Apr 2025 08:35:10 -1000	[thread overview]
Message-ID: <aBEb3kjVKcqzNBov@slm.duckdns.org> (raw)
In-Reply-To: <476f9bf7-2cd2-4c26-b55f-b42b9fe7eafc@cs.wisc.edu>

On Tue, Apr 29, 2025 at 01:28:46PM -0500, Junxuan Liao wrote:
> 
> 
> On 4/29/25 1:12 PM, Tejun Heo wrote:
> > 5797b1c18919 ("workqueue: Implement system-wide nr_active enforcement for
> > unbound workqueues") turned max_active system-wide. The count is now split
> > across nodes proportional to the number of cpus each node has. This is still
> > a different behavior from before where max_active was applied per node, but
> > no behavior change on single node machines and the new behavior is easier to
> > work with.
> 
> Thanks! I missed that. workqueue.rst doesn't reflect the change though.

Yeah, I really should but patches welcome. :-)

Thanks.

-- 
tejun

  reply	other threads:[~2025-04-29 18:35 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-28 23:23 Junxuan Liao
2025-04-29 18:12 ` Tejun Heo
2025-04-29 18:28   ` Junxuan Liao
2025-04-29 18:35     ` Tejun Heo [this message]
2025-04-29 21:15       ` Junxuan Liao
2025-04-29 21:26         ` Junxuan Liao
2025-04-30 18:46           ` Tejun Heo

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