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From: Christian Brauner <brauner@kernel.org>
To: Jan Kara <jack@suse.cz>, Amir Goldstein <amir73il@gmail.com>,
	 linux-fsdevel@vger.kernel.org
Cc: "Josef Bacik" <josef@toxicpanda.com>,
	"Jeff Layton" <jlayton@kernel.org>, "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>,
	"Alexander Viro" <viro@zeniv.linux.org.uk>,
	"Jens Axboe" <axboe@kernel.dk>, "Tejun Heo" <tj@kernel.org>,
	"Johannes Weiner" <hannes@cmpxchg.org>,
	"Michal Koutný" <mkoutny@suse.com>,
	"Eric Dumazet" <edumazet@google.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Simon Horman" <horms@kernel.org>,
	"Chuck Lever" <chuck.lever@oracle.com>,
	linux-nfs@vger.kernel.org, linux-kselftest@vger.kernel.org,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	cgroups@vger.kernel.org, netdev@vger.kernel.org,
	"Christian Brauner" <brauner@kernel.org>
Subject: [PATCH 10/32] pid: use ns_common_init()
Date: Wed, 10 Sep 2025 16:36:55 +0200	[thread overview]
Message-ID: <20250910-work-namespace-v1-10-4dd56e7359d8@kernel.org> (raw)
In-Reply-To: <20250910-work-namespace-v1-0-4dd56e7359d8@kernel.org>

Don't cargo-cult the same thing over and over.

Signed-off-by: Christian Brauner <brauner@kernel.org>
---
 kernel/pid_namespace.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index 7098ed44e717..20ce4052d1c5 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -102,17 +102,15 @@ static struct pid_namespace *create_pid_namespace(struct user_namespace *user_ns
 	if (ns->pid_cachep == NULL)
 		goto out_free_idr;
 
-	err = ns_alloc_inum(&ns->ns);
+	err = ns_common_init(&ns->ns, &pidns_operations, true);
 	if (err)
 		goto out_free_idr;
-	ns->ns.ops = &pidns_operations;
 
 	ns->pid_max = PID_MAX_LIMIT;
 	err = register_pidns_sysctls(ns);
 	if (err)
 		goto out_free_inum;
 
-	refcount_set(&ns->ns.count, 1);
 	ns->level = level;
 	ns->parent = get_pid_ns(parent_pid_ns);
 	ns->user_ns = get_user_ns(user_ns);

-- 
2.47.3


  parent reply	other threads:[~2025-09-10 14:38 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-10 14:36 [PATCH 00/32] ns: support file handles Christian Brauner
2025-09-10 14:36 ` [PATCH 01/32] pidfs: validate extensible ioctls Christian Brauner
2025-09-10 15:33   ` Jan Kara
2025-09-10 16:33   ` Aleksa Sarai
2025-10-23 10:46   ` Jiri Slaby
2025-10-24 22:31     ` Jan Kara
2025-09-10 14:36 ` [PATCH 02/32] nsfs: " Christian Brauner
2025-09-10 15:34   ` Jan Kara
2025-09-10 14:36 ` [PATCH 03/32] block: use extensible_ioctl_valid() Christian Brauner
2025-09-10 15:34   ` Jan Kara
2025-09-10 16:39   ` Jens Axboe
2025-09-10 14:36 ` [PATCH 04/32] ns: move to_ns_common() to ns_common.h Christian Brauner
2025-09-10 15:36   ` Jan Kara
2025-09-10 14:36 ` [PATCH 05/32] nsfs: add nsfs.h header Christian Brauner
2025-09-10 15:37   ` Jan Kara
2025-09-10 14:36 ` [PATCH 06/32] ns: uniformly initialize ns_common Christian Brauner
2025-09-10 15:40   ` Jan Kara
2025-09-10 14:36 ` [PATCH 07/32] mnt: use ns_common_init() Christian Brauner
2025-09-10 15:40   ` Jan Kara
2025-09-10 14:36 ` [PATCH 08/32] ipc: " Christian Brauner
2025-09-10 15:40   ` Jan Kara
2025-09-10 14:36 ` [PATCH 09/32] cgroup: " Christian Brauner
2025-09-10 15:42   ` Jan Kara
2025-09-10 14:36 ` Christian Brauner [this message]
2025-09-10 15:42   ` [PATCH 10/32] pid: " Jan Kara
2025-09-10 14:36 ` [PATCH 11/32] time: " Christian Brauner
2025-09-10 15:18   ` Thomas Gleixner
2025-09-10 15:44   ` Jan Kara
2025-09-10 14:36 ` [PATCH 12/32] uts: " Christian Brauner
2025-09-10 15:46   ` Jan Kara
2025-09-10 14:36 ` [PATCH 13/32] user: " Christian Brauner
2025-09-10 15:46   ` Jan Kara
2025-09-10 14:36 ` [PATCH 14/32] net: " Christian Brauner
2025-09-10 15:57   ` Jan Kara
2025-09-11  8:46     ` Christian Brauner
2025-09-11  9:19       ` Jan Kara
2025-09-10 21:07   ` Sasha Levin
2025-09-10 14:37 ` [PATCH 15/32] ns: remove ns_alloc_inum() Christian Brauner
2025-09-10 15:48   ` Jan Kara
2025-09-10 14:37 ` [PATCH 16/32] nstree: make iterator generic Christian Brauner
2025-09-10 14:37 ` [PATCH 17/32] mnt: support iterator Christian Brauner
2025-09-18  0:46   ` Askar Safin
2025-09-10 14:37 ` [PATCH 18/32] cgroup: " Christian Brauner
2025-09-10 16:48   ` Tejun Heo
2025-09-10 14:37 ` [PATCH 19/32] ipc: " Christian Brauner
2025-09-10 14:37 ` [PATCH 20/32] net: " Christian Brauner
2025-09-10 14:37 ` [PATCH 21/32] pid: " Christian Brauner
2025-09-10 14:37 ` [PATCH 22/32] time: " Christian Brauner
2025-09-10 15:19   ` Thomas Gleixner
2025-09-10 14:37 ` [PATCH 23/32] userns: " Christian Brauner
2025-09-10 14:37 ` [PATCH 24/32] uts: " Christian Brauner
2025-09-10 14:37 ` [PATCH 25/32] ns: add to_<type>_ns() to respective headers Christian Brauner
2025-09-10 16:35   ` Aleksa Sarai
2025-09-21  7:35   ` Thomas Gleixner
2025-09-10 14:37 ` [PATCH 26/32] nsfs: add current_in_namespace() Christian Brauner
2025-09-10 16:38   ` Aleksa Sarai
2025-09-10 14:37 ` [PATCH 27/32] nsfs: support file handles Christian Brauner
2025-09-10 17:21   ` Amir Goldstein
2025-09-11  9:31     ` Christian Brauner
2025-09-11 11:36       ` Amir Goldstein
2025-09-12  8:19         ` Christian Brauner
2025-09-12  9:12           ` Amir Goldstein
2025-09-18  3:40           ` Aleksa Sarai
2025-09-10 14:37 ` [PATCH 28/32] nsfs: support exhaustive " Christian Brauner
2025-09-10 17:07   ` Amir Goldstein
2025-09-10 14:37 ` [PATCH 29/32] nsfs: add missing id retrieval support Christian Brauner
2025-09-10 16:49   ` Aleksa Sarai
2025-09-11  7:52     ` Christian Brauner
2025-09-11 12:56       ` Aleksa Sarai
2025-09-10 14:37 ` [PATCH 30/32] tools: update nsfs.h uapi header Christian Brauner
2025-09-10 14:37 ` [PATCH 31/32] selftests/namespaces: add identifier selftests Christian Brauner
2025-09-10 14:37 ` [PATCH 32/32] selftests/namespaces: add file handle selftests Christian Brauner
2025-09-10 17:30   ` Amir Goldstein
2025-09-11  9:15     ` Christian Brauner
2025-09-11 11:48       ` Amir Goldstein
2025-09-10 21:46   ` Bart Van Assche
2025-09-11  8:59     ` Christian Brauner
2025-09-10 20:53 ` [syzbot ci] Re: ns: support file handles syzbot ci

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