linux-kernel - Re: btrfs thread_pool_size logic out of sync with workqueue

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Message-ID: <ea32d8f1-e96a-48ff-92b6-ffeb996b0823@cs.wisc.edu>
Date: Tue, 29 Apr 2025 16:15:29 -0500
From: Junxuan Liao <ljx@...wisc.edu>
To: Tejun Heo <tj@...nel.org>
Cc: Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>,
        Lai Jiangshan <jiangshanlai@...il.com>, linux-btrfs@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: btrfs thread_pool_size logic out of sync with workqueue

> 5797b1c18919 ("workqueue: Implement system-wide nr_active enforcement for
> unbound workqueues") turned max_active system-wide. 

So versions from 6.6 to 6.8 do have the bug, right? I guess the
performance regression isn't easy to trigger so no one noticed and
reported it.

-- 
Thanks,
Junxuan