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
next prev 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20251110-work-namespace-nstree-fixes-v1-9-e8a9264e0fb9@kernel.org \
--to=brauner@kernel.org \
--cc=amir73il@gmail.com \
--cc=arnd@arndb.de \
--cc=bpf@vger.kernel.org \
--cc=cgroups@vger.kernel.org \
--cc=cyphar@cyphar.com \
--cc=daan.j.demeyer@gmail.com \
--cc=edumazet@google.com \
--cc=hannes@cmpxchg.org \
--cc=jack@suse.cz \
--cc=jannh@google.com \
--cc=jlayton@kernel.org \
--cc=josef@toxicpanda.com \
--cc=kuba@kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=me@yhndnzj.com \
--cc=mzxreary@0pointer.de \
--cc=netdev@vger.kernel.org \
--cc=tglx@linutronix.de \
--cc=tj@kernel.org \
--cc=viro@zeniv.linux.org.uk \
--cc=zbyszek@in.waw.pl \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).