From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 934F9331A41; Tue, 21 Oct 2025 11:44:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761047082; cv=none; b=iBOxH5FsNdbGKm+7jvvbuq0dRsKn6kEuBaHqwM6PuVYH/XxE54k+2AnH89qgKQq2KP+RMB4lQ2kyFrIjIPIItjy7Q65vRyJMrSGd3YAABjq92DmSPm0jeWBI8Kit2zR61yD7GNeQSYQtCOQ811xQFjYprLlUaTo38tO3QRNEoaU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761047082; c=relaxed/simple; bh=eNIUpqO2UCHoi2ksC8FU54CizOc19jWeKxEd6r2H28o=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=pSoUV1UbLK8N5kSLZKWbBp0pEI8S7ILXYp8Iw7cn9b7svGIli5M0xsiSoJqd7Y6/nxjcP4dnL5Z5b1Ai7eMpJwhVDOVwEnXT2+RfrtDewsxovHPv36adoQJloAqREW9ZXc/Llc0oZzrww2RJ5L4yyIL85WJB8YddjF1TKEF0G94= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Z5WLHdd+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Z5WLHdd+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12456C4CEF1; Tue, 21 Oct 2025 11:44:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761047082; bh=eNIUpqO2UCHoi2ksC8FU54CizOc19jWeKxEd6r2H28o=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Z5WLHdd+EBfxO8Wsx4dELH3U3MnpmfFj+1e0RdpBk+8Z9N1PMClqYZ8vg+Nn7il/7 nC0KRI3vJ4uyCYS22JXA6Tkhde+X5OJ3itknXaLTlxcDKKmbGoeIjqRiN033iwQefP mzpT9u1mkUlxhNl6ATQ8GvJNqEUQyDUBIP2h95vCM5VSy7jdCQy28akWj9fqadHinT MUFN7ZNiAuCR0xlkCJQyMIzOOnz01n4gegwqDCNmN2xM2WOTPLnsXUtaLgaIxDGGfe k/8GvYG9s/akqsUHebsAsbjux5Ji5DI/ATAFYc7anDtJ/QKUd0+t2jKfwsEkSJkB+T S9Sk43Qk9ujMg== From: Christian Brauner Date: Tue, 21 Oct 2025 13:43:16 +0200 Subject: [PATCH RFC DRAFT 10/50] ns: use anonymous struct to group list member Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251021-work-namespace-nstree-listns-v1-10-ad44261a8a5b@kernel.org> References: <20251021-work-namespace-nstree-listns-v1-0-ad44261a8a5b@kernel.org> In-Reply-To: <20251021-work-namespace-nstree-listns-v1-0-ad44261a8a5b@kernel.org> To: linux-fsdevel@vger.kernel.org, Josef Bacik , Jeff Layton Cc: Jann Horn , Mike Yuan , =?utf-8?q?Zbigniew_J=C4=99drzejewski-Szmek?= , Lennart Poettering , Daan De Meyer , Aleksa Sarai , Amir Goldstein , Tejun Heo , Johannes Weiner , Thomas Gleixner , Alexander Viro , Jan Kara , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, bpf@vger.kernel.org, Eric Dumazet , Jakub Kicinski , netdev@vger.kernel.org, Arnd Bergmann , Christian Brauner X-Mailer: b4 0.15-dev-96507 X-Developer-Signature: v=1; a=openpgp-sha256; l=775; i=brauner@kernel.org; h=from:subject:message-id; bh=eNIUpqO2UCHoi2ksC8FU54CizOc19jWeKxEd6r2H28o=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWR8L3yzXZVR83TgjbuKGScXzf67xtDm2M9pt1Qbk82Pz f13dQPLgo5SFgYxLgZZMUUWh3aTcLnlPBWbjTI1YOawMoEMYeDiFICJnN3PyDBRL+T2DJ9VwnHH UryZBDaca1vWbmbxr+5PV1ZDbHbgrwxGhlN8Tlmv5+/4qaVpN+tt8tmKpH83H+3WL2g9YBnSvvz kZj4A X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Make it easier to spot that they belong together conceptually. Signed-off-by: Christian Brauner --- include/linux/ns_common.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/include/linux/ns_common.h b/include/linux/ns_common.h index 5d19471235ab..34e072986955 100644 --- a/include/linux/ns_common.h +++ b/include/linux/ns_common.h @@ -115,8 +115,10 @@ struct ns_common { union { struct { u64 ns_id; - struct rb_node ns_tree_node; - struct list_head ns_list_node; + struct /* per type rbtree and list */ { + struct rb_node ns_tree_node; + struct list_head ns_list_node; + }; atomic_t __ns_ref_active; /* do not use directly */ }; struct rcu_head ns_rcu; -- 2.47.3