netdev - Re: [PATCH v2 18/33] mnt: support ns lookup

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Message-ID: <20250916035949.GO39973@ZenIV>
Date: Tue, 16 Sep 2025 04:59:49 +0100
From: Al Viro <viro@...iv.linux.org.uk>
To: Christian Brauner <brauner@...nel.org>
Cc: Jan Kara <jack@...e.cz>, Amir Goldstein <amir73il@...il.com>,
	linux-fsdevel@...r.kernel.org, Josef Bacik <josef@...icpanda.com>,
	Jeff Layton <jlayton@...nel.org>, Mike Yuan <me@...dnzj.com>,
	Zbigniew Jędrzejewski-Szmek <zbyszek@...waw.pl>,
	Lennart Poettering <mzxreary@...inter.de>,
	Daan De Meyer <daan.j.demeyer@...il.com>,
	Aleksa Sarai <cyphar@...har.com>, Jens Axboe <axboe@...nel.dk>,
	Tejun Heo <tj@...nel.org>, Johannes Weiner <hannes@...xchg.org>,
	Michal Koutný <mkoutny@...e.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	Chuck Lever <chuck.lever@...cle.com>, linux-nfs@...r.kernel.org,
	linux-kselftest@...r.kernel.org, linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH v2 18/33] mnt: support ns lookup

On Tue, Sep 16, 2025 at 04:56:33AM +0100, Al Viro wrote:
> 	if (!RB_EMPTY_NODE(to_ns_common(ns)->ns_tree_node))

 	if (!RB_EMPTY_NODE(&to_ns_common(ns)->ns_tree_node))

obviously...