From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794661685; b=uoPRMDi4JimW/xxHpBslz+VuopyS9XgvyHm3JAW9n+fkhKd9FVyGQUVDQpO8xwCp/kxr kUUSzgkx3Ky/tvN6NfEn0D1sZZ4ID23wIQeL45Y3adtL5zNWOmixZ73dPBUUplwL9IOYr c1yuMxuHeJbpo6+3s8UmaYhPXpIpWK/lvoV6zf0zWxyvijeBFinGkEaNM/L3lHrFaVMsD X7tbUuiMtjs1ZUcP9PesnEL0BpYIw+gNaIITfBzujnN5RWvK89eTlG+7IVW7WdQmUecwa Bj8DwImujUAK56IvrCppNx4VRRxUYC0DtyHCwxdMMngrrE/flnC9NLGl8vv+oSscW4g== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794661685; h=Received:DKIM-Signature:From:Date:Subject:MIME-Version:Content-Type: Content-Transfer-Encoding:Message-Id:References:In-Reply-To:To:Cc: X-Mailer:X-Developer-Signature:X-Developer-Key; bh=M+wQ9mIvjJGXRJRbFoASGD8D6MKl3oze995xCAu4PIw=; b=ZtLpRDRj+FnhiznanVm7h5NLm7u5Pcm3jF/zk5dF8E6NHQfnBSSOdAz5xvdgB6Bn7u0s 8p8Zk64jA3MsCQkvn//BaphlyKBgc9CT9eBL0XEc3keyRve95LS5AshBX0UC3NvlKgseW 8rzVuHOUXCt35vuVCr3JDPXqZqOgwm99rfVtKo07LlSmfyA64X4EePMN7byTYboqFhu+r ITgaH5+dXcpkPnErJzIrqm55kUK5ZWVmOGte/7ehfEC3DLHp67OQu6qXhApbR6Axnmc8+ bHwgqlIhNlx98QBEgL2RUZ4KLI1XMk5BKhA0HEsYK3iXPNofMe8RLJ/ioOGIoDMww3A== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=NsZWIZ0u; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 473766070FAC; Sat, 14 Nov 2026 13:08:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=NsZWIZ0u Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9255F1F000C5; Sat, 14 Nov 2026 13:07:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794661685; bh=M+wQ9mIvjJGXRJRbFoASGD8D6MKl3oze995xCAu4PIw=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=NsZWIZ0uyJ/kEeg27LNsarwDMno74uYeR1qvyZgeFqeOAzIo39kAe0MSpeaDBfyna OG+SkTUFAd55NxkkZY4/tgrlFTOMIlMqstHT23WH9HmxSQHID6HZivP6RTGGasAtEv ghdyrIYjK3Gq6GDN43kCLZl7rWTXSXciNlNO9nHbFmzAoVc7dcCL6Fvc9EA7GbsEHM JDKJiOhvg95JFUcodZAZ1CCOfjp/PYgklweHBo4CkLN70q6kRCKVJf5HI0WMNA4lCf fVobYC0NGlECT/3MARJG5ONmb7zmOAQZxfL/PpE2kk6Jb29ZnuuOdRMC+6AygDXLUO SOqbbaseGw8nQ== From: Christian Brauner Date: Sat, 14 Nov 2026 14:02:02 +0100 Subject: [PATCH RFC v2 21/42] nfsd: use fc_init_pseudo() X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261114-work-loop-pseudo-v2-21-98639a2286fb@kernel.org> References: <20261114-work-loop-pseudo-v2-0-98639a2286fb@kernel.org> In-Reply-To: <20261114-work-loop-pseudo-v2-0-98639a2286fb@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: Jann Horn , Chris Mason , Josef Bacik , Christoph Hellwig , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, Alexander Viro , Jan Kara , linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, driver-core@lists.linux.dev, linux-mm@kvack.org, bpf@vger.kernel.org, linux-security-module@vger.kernel.org, selinux@vger.kernel.org, apparmor@lists.ubuntu.com, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, fuse-devel@lists.linux.dev, linux-efi@vger.kernel.org, xen-devel@lists.xenproject.org, ocfs2-devel@lists.linux.dev, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-usb@vger.kernel.org, Amir Goldstein , linux-erofs@lists.ozlabs.org, linux-kselftest@vger.kernel.org, "Christian Brauner (Amutable)" , Chuck Lever X-Mailer: b4 0.17-dev-ce4c1 X-Developer-Signature: v=1; a=openpgp-sha256; l=938; i=brauner@kernel.org; h=from:subject:message-id; bh=333wt1W/Zu6jr+pk5l0cVZ7RaBW0U1/QWczclcq5D2g=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWT9iKmLTHPo2r7Kfu7yRemXBPUWve7/actZfm6rc/k25 jem724e6ChlYRDjYpAVU2RxaDcJl1vOU7HZKFMDZg4rE8gQBi5OAZjIRR5Gho4FIlHz9++53fnK eYmA2xVfqS8fnermTZ72xHcPu+nShFOMDBvE1IVLnCTmP3kZv4jlPnfC5t2t7WarJxSWKke6dZS u5QQA X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Initialize the nfsd filesystem as a pseudo filesystem. This raises SB_I_PSEUDO and also SB_I_NOEXEC and SB_I_NODEV. It never holds executables or device nodes. Acked-by: Chuck Lever Signed-off-by: Christian Brauner (Amutable) --- fs/nfsd/nfsctl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index f32311f2d7cf9..ce2666deddbd9 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include @@ -1375,6 +1376,7 @@ static int nfsd_init_fs_context(struct fs_context *fc) { put_user_ns(fc->user_ns); fc->user_ns = get_user_ns(fc->net_ns->user_ns); + fc_init_pseudo(fc); fc->ops = &nfsd_fs_context_ops; return 0; } -- 2.53.0