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From: Christian Brauner <brauner@kernel.org>
To: linux-fsdevel@vger.kernel.org, Josef Bacik <josef@toxicpanda.com>,
	 Jeff Layton <jlayton@kernel.org>
Cc: "Jann Horn" <jannh@google.com>, "Mike Yuan" <me@yhndnzj.com>,
	"Zbigniew Jędrzejewski-Szmek" <zbyszek@in.waw.pl>,
	"Lennart Poettering" <mzxreary@0pointer.de>,
	"Daan De Meyer" <daan.j.demeyer@gmail.com>,
	"Aleksa Sarai" <cyphar@cyphar.com>,
	"Amir Goldstein" <amir73il@gmail.com>,
	"Tejun Heo" <tj@kernel.org>,
	"Johannes Weiner" <hannes@cmpxchg.org>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Alexander Viro" <viro@zeniv.linux.org.uk>,
	"Jan Kara" <jack@suse.cz>,
	linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
	bpf@vger.kernel.org, "Eric Dumazet" <edumazet@google.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	netdev@vger.kernel.org, "Arnd Bergmann" <arnd@arndb.de>,
	"Christian Brauner" <brauner@kernel.org>
Subject: [PATCH 09/17] ns: rename is_initial_namespace()
Date: Mon, 10 Nov 2025 16:08:21 +0100	[thread overview]
Message-ID: <20251110-work-namespace-nstree-fixes-v1-9-e8a9264e0fb9@kernel.org> (raw)
In-Reply-To: <20251110-work-namespace-nstree-fixes-v1-0-e8a9264e0fb9@kernel.org>

Rename is_initial_namespace() to ns_init_inum() and make it symmetrical
with the ns id variant.

Signed-off-by: Christian Brauner <brauner@kernel.org>
---
 include/linux/ns_common.h | 2 +-
 kernel/nscommon.c         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/ns_common.h b/include/linux/ns_common.h
index 7e4df96b7411..b9e8f21a6984 100644
--- a/include/linux/ns_common.h
+++ b/include/linux/ns_common.h
@@ -13,7 +13,7 @@ int __ns_common_init(struct ns_common *ns, u32 ns_type, const struct proc_ns_ope
 void __ns_common_free(struct ns_common *ns);
 struct ns_common *__must_check ns_owner(struct ns_common *ns);
 
-static __always_inline bool is_initial_namespace(const struct ns_common *ns)
+static __always_inline bool is_ns_init_inum(const struct ns_common *ns)
 {
 	VFS_WARN_ON_ONCE(ns->inum == 0);
 	return unlikely(in_range(ns->inum, MNT_NS_INIT_INO,
diff --git a/kernel/nscommon.c b/kernel/nscommon.c
index 88f70baccb75..bdc3c86231d3 100644
--- a/kernel/nscommon.c
+++ b/kernel/nscommon.c
@@ -82,7 +82,7 @@ int __ns_common_init(struct ns_common *ns, u32 ns_type, const struct proc_ns_ope
 	 * active use (installed in nsproxy) and decremented when all
 	 * active uses are gone. Initial namespaces are always active.
 	 */
-	if (is_initial_namespace(ns))
+	if (is_ns_init_inum(ns))
 		atomic_set(&ns->__ns_ref_active, 1);
 	else
 		atomic_set(&ns->__ns_ref_active, 0);

-- 
2.47.3


  parent reply	other threads:[~2025-11-10 15:09 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-10 15:08 [PATCH 00/17] ns: header cleanups and initial namespace reference count improvements Christian Brauner
2025-11-10 15:08 ` [PATCH 01/17] ns: move namespace types into separate header Christian Brauner
2025-11-10 15:08 ` [PATCH 02/17] nstree: decouple from ns_common header Christian Brauner
2025-11-10 15:08 ` [PATCH 03/17] nstree: move nstree types into separate header Christian Brauner
2025-11-10 15:08 ` [PATCH 04/17] nstree: add helper to operate on struct ns_tree_{node,root} Christian Brauner
2025-11-10 15:08 ` [PATCH 05/17] nstree: switch to new structures Christian Brauner
2025-11-10 15:08 ` [PATCH 06/17] nstree: simplify owner list iteration Christian Brauner
2025-11-10 15:08 ` [PATCH 07/17] nstree: use guards for ns_tree_lock Christian Brauner
2025-11-10 15:08 ` [PATCH 08/17] ns: make is_initial_namespace() argument const Christian Brauner
2025-11-10 15:08 ` Christian Brauner [this message]
2025-11-10 15:08 ` [PATCH 10/17] fs: use boolean to indicate anonymous mount namespace Christian Brauner
2025-11-10 15:08 ` [PATCH 11/17] ipc: enable is_ns_init_id() assertions Christian Brauner
2025-11-10 15:08 ` [PATCH 12/17] ns: make all reference counts on initial namespace a nop Christian Brauner
2025-11-10 15:08 ` [PATCH 13/17] ns: add asserts for initial namespace reference counts Christian Brauner
2025-11-10 15:08 ` [PATCH 14/17] ns: add asserts for initial namespace active " Christian Brauner
2025-11-10 15:08 ` [PATCH 15/17] pid: rely on common reference count behavior Christian Brauner
2025-11-10 15:08 ` [PATCH 16/17] ns: drop custom reference count initialization for initial namespaces Christian Brauner
2025-11-14 19:27   ` Thomas Gleixner
2025-11-10 15:08 ` [PATCH 17/17] selftests/namespaces: fix nsid tests Christian Brauner
2025-11-13 11:03 ` [PATCH 00/17] ns: header cleanups and initial namespace reference count improvements Jan Kara

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