From ea1549e628ec51dcbea1d158301993364b754d75 Mon Sep 17 00:00:00 2001
From: Christian Brauner <brauner@kernel.org>
Date: Mon, 10 Nov 2025 16:08:14 +0100
Subject: [PATCH] nstree: decouple from ns_common header

Foward declare struct ns_common and remove the include of ns_common.h.
We want ns_common.h to possibly include nstree structures but not the
other way around.

Link: https://patch.msgid.link/20251110-work-namespace-nstree-fixes-v1-2-e8a9264e0fb9@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
 include/linux/nstree.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/nstree.h b/include/linux/nstree.h
index 38674c6fa4f78..25040a98a92b7 100644
--- a/include/linux/nstree.h
+++ b/include/linux/nstree.h
@@ -3,7 +3,6 @@
 #ifndef _LINUX_NSTREE_H
 #define _LINUX_NSTREE_H
 
-#include <linux/ns_common.h>
 #include <linux/nsproxy.h>
 #include <linux/rbtree.h>
 #include <linux/seqlock.h>
@@ -11,6 +10,8 @@
 #include <linux/cookie.h>
 #include <uapi/linux/nsfs.h>
 
+struct ns_common;
+
 extern struct ns_tree cgroup_ns_tree;
 extern struct ns_tree ipc_ns_tree;
 extern struct ns_tree mnt_ns_tree;
-- 
2.47.3