linux-kernel - Re: [PATCH v4] fs/namespace: defer RCU sync for MNT

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Message-ID: <zahvxexq572ud7p5nlbtty3attjn7h7fmlujhxxpdgsj346tpg@u3zqnfvrnh5k>
Date: Fri, 11 Apr 2025 14:30:38 -0400
From: Eric Chanudet <echanude@...hat.com>
To: Christian Brauner <brauner@...nel.org>
Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>, 
	Mateusz Guzik <mjguzik@...il.com>, Alexander Viro <viro@...iv.linux.org.uk>, 
	Jan Kara <jack@...e.cz>, Clark Williams <clrkwllms@...nel.org>, 
	Steven Rostedt <rostedt@...dmis.org>, Ian Kent <ikent@...hat.com>, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-rt-devel@...ts.linux.dev, 
	Alexander Larsson <alexl@...hat.com>, Lucas Karpinski <lkarpins@...hat.com>
Subject: Re: [PATCH v4] fs/namespace: defer RCU sync for MNT_DETACH umount

On Fri, Apr 11, 2025 at 05:17:25PM +0200, Christian Brauner wrote:
> > With this, I have applied your patch for the following discussion and
> > down thread. Happy to send a v5, should this patch be deemed worth
> > pursuing.
> 
> I'll just switch to system_unbound_wq and there's no need to resend for
> now. If the numbers somehow change significantly due to that change just
> mention that. Thanks.
> 

Thank you, I do not see a significant change in the numbers with
system_unbound_wq compared to system_wq.

Best,

-- 
Eric Chanudet