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Date: Tue, 16 Sep 2025 04:59:49 +0100
From: Al Viro <viro@zeniv.linux.org.uk>
To: Christian Brauner <brauner@kernel.org>
Cc: Jan Kara <jack@suse.cz>, Amir Goldstein <amir73il@gmail.com>,
	linux-fsdevel@vger.kernel.org, Josef Bacik <josef@toxicpanda.com>,
	Jeff Layton <jlayton@kernel.org>, Mike Yuan <me@yhndnzj.com>,
	Zbigniew =?utf-8?Q?J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>,
	Lennart Poettering <mzxreary@0pointer.de>,
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	Tejun Heo <tj@kernel.org>, Johannes Weiner <hannes@cmpxchg.org>,
	Michal =?iso-8859-1?Q?Koutn=FD?= <mkoutny@suse.com>,
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	linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
	netdev@vger.kernel.org
Subject: Re: [PATCH v2 18/33] mnt: support ns lookup
Message-ID: <20250916035949.GO39973@ZenIV>
References: <20250912-work-namespace-v2-0-1a247645cef5@kernel.org>
 <20250912-work-namespace-v2-18-1a247645cef5@kernel.org>
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Sender: Al Viro <viro@ftp.linux.org.uk>

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...