From nobody Thu Oct 2 10:39:01 2025 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 C43A92F362B; Thu, 18 Sep 2025 10:12:47 +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=1758190368; cv=none; b=X5SZ7hSa2rcCYmtBn5Bm2x6sbpX1MNycPaJrjDJjBUy2jkE46TezzcQIDprxrelIIdAAHlqWFKPpDKJI9mNTDX0lTC+PRHz4ihWLbCxPX29jYEVxp/1dPDnCAtXk+XkAwEqrOozQrwsWiOMgOT19Qh81w5o/qEZ3q7AgMdopBGo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758190368; c=relaxed/simple; bh=goaLC7wGjxRD/+pG5XJskmBTPzYWvzmUtF2h1nEQg/k=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=rywbjuiPHr9DY1xTkrfMh46/eWQkpxjiwN4ziFMjixm8CqnxGmK3j3C1yT9TQIIQcGX2hYe4byha6M1lbKnVgfBffhBAloy6sTQ5ghbOcXecg3fjaJl1soChYV/YIqNrKjtM0mUxN7xkadjLANSqjj/QNLphbh114s8vP7eV6Ds= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Uex5kZbW; 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="Uex5kZbW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E41E4C4CEF0; Thu, 18 Sep 2025 10:12:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758190367; bh=goaLC7wGjxRD/+pG5XJskmBTPzYWvzmUtF2h1nEQg/k=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Uex5kZbWnvRfgUTtJXwl+lN1mO9VJI5+XiaOn06l0Bm5NL5Wci9PKdmKokH4gKPrS yN342jr/Q0xPwGAE1QcwiZe0zQTKoXrmMDW4Q/VMBCn7Kc5P1Nt1Ba1A9FoffiXJDj Ofw1lyySrtNr7v9buMFQkZjxExuQaNvMU+4W9gGonpj4hmeGZ69w58+XIh9DjJS/Dx fZFyzqRj2YKO2nKOJrM2fjOLCncQiP4uF9kcJiJUFnkrFgaq908EPWk+NkqRWit7qv xa4bkjZ0rxNjHOPCsDkoGAJUA/cq4diuOMXVzv5s4MVaSnBGOfy4OPzTX7qPVv2i/M Jj0vYYM8N7ZvA== From: Christian Brauner Date: Thu, 18 Sep 2025 12:11:56 +0200 Subject: [PATCH 11/14] uts: port to ns_ref_*() helpers Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250918-work-namespace-ns_ref-v1-11-1b0a98ee041e@kernel.org> References: <20250918-work-namespace-ns_ref-v1-0-1b0a98ee041e@kernel.org> In-Reply-To: <20250918-work-namespace-ns_ref-v1-0-1b0a98ee041e@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: Amir Goldstein , Josef Bacik , Jeff Layton , Mike Yuan , =?utf-8?q?Zbigniew_J=C4=99drzejewski-Szmek?= , Lennart Poettering , Daan De Meyer , Aleksa Sarai , Alexander Viro , Jan Kara , Tejun Heo , Johannes Weiner , =?utf-8?q?Michal_Koutn=C3=BD?= , Jakub Kicinski , Anna-Maria Behnsen , Frederic Weisbecker , Thomas Gleixner , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Christian Brauner X-Mailer: b4 0.15-dev-56183 X-Developer-Signature: v=1; a=openpgp-sha256; l=902; i=brauner@kernel.org; h=from:subject:message-id; bh=goaLC7wGjxRD/+pG5XJskmBTPzYWvzmUtF2h1nEQg/k=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWScvvWsNiUs+dat/WWfFtqburw0bZT9uTI84vETVYNnt sc108tTO0pZGMS4GGTFFFkc2k3C5ZbzVGw2ytSAmcPKBDKEgYtTACYSEMfwz9zMXsh8kn+mTfRy p0/fHj3YIHvMulbd7ui9NpHbO16GmDP890o1XMO+aVl7M6vQnUlffTddWhOx+3lB5N54Xj9vlex mRgA= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Stop accessing ns.count directly. Signed-off-by: Christian Brauner --- include/linux/uts_namespace.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/uts_namespace.h b/include/linux/uts_namespace.h index c2b619bb4e57..23b4f0e1b338 100644 --- a/include/linux/uts_namespace.h +++ b/include/linux/uts_namespace.h @@ -25,7 +25,7 @@ static inline struct uts_namespace *to_uts_ns(struct ns_c= ommon *ns) =20 static inline void get_uts_ns(struct uts_namespace *ns) { - refcount_inc(&ns->ns.count); + ns_ref_inc(ns); } =20 extern struct uts_namespace *copy_utsname(unsigned long flags, @@ -34,7 +34,7 @@ extern void free_uts_ns(struct uts_namespace *ns); =20 static inline void put_uts_ns(struct uts_namespace *ns) { - if (refcount_dec_and_test(&ns->ns.count)) + if (ns_ref_put(ns)) free_uts_ns(ns); } =20 --=20 2.47.3