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=1794302302; b=GjgKKkTyrGu5m9PgbDIgTO+n75bTKWVX+TlI63r+DBk27yy2rfOQdGIVgUbSZGxZmAkA 7s3MT8Zla4LNv7YmEtzUhllrWgtRsmVW6x0WA6Cbj56OjgfqrIrCrEOfMAACPVOhz3CrW KqMUiki4YHsmQHDVSuk1SfPeYDRUExU5qilMOAY0bMEbeKFcEuZWLAT+QaXo1sgLwnv4+ vuEm86bLVf1CsBDTJGw++jkMVTo7DjUarcF+hjZu1g8oO2pHx3844iAvj5vBVUUogT2IT I7VuysWLzoZtvFIsDLFM7KSWS9CujYKueElP3CcI3ssXKOZ6MIUAptdlui8umTpasRQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794302302; 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=6xLCAE1ljQwjM/z7WMvrquNwq7v8NRQjtdpUDUMIMgw=; b=Xwt1lRBjBZWqlhfnWloDpfDY+vE8oxFUl3YWGiO/m/OWnuwGGNBNiturZ1DYnjdZvxht bKAOcyBzRRUZHr7XOSA1+AFU9MHmVy5RTxVL4AYVWMollfcYX7Hhogcoet7CAEgumzTN/ F7c3MNjbcaZMFogIxvAB8jvFuvUGkLD8OoKZh7BfD2qWuipPCGZklherZB20SDcnuCXt7 rQsdpwv2ytKihOOMWAAJ1V1pBjGvtSLXScHstCl3Lo1bUgJWlBvb18Io2KCo6T6ev3YRW p6UtvSO9uu2+BWddDLv/bRnLrAsPiowG2CpCxP+d5qawm6y35FR3vYDeu2HuNrfPfmQ== 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="n/nPEmY/"; 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 4532A6072F65; Tue, 10 Nov 2026 09:18:21 +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=n/nPEmY/ Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99DB51F008A2; Tue, 10 Nov 2026 09:18:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794302301; bh=6xLCAE1ljQwjM/z7WMvrquNwq7v8NRQjtdpUDUMIMgw=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=n/nPEmY/gv4mqB2kXaUIe0isVNNuSFYe4ifWdFJtsRhYXSoI1dEqHjcK8jXDbyzkv ertikRvZXtvN4JZinzjTGl2V2W3t61CK19ISiQm4xZZKjvx6Ilozk7a062A5tyZVek 8ONpx6cO+b1cP6f1iIgOK2yxVMDe8jOAVqYq0can3XlRZqUYI7Gp3FGNtEvO8RVw/T f+noE3Lf2FKsSSXSy3unTl1hqIHTI1UMmGoV2c8K2q9ES1gzqhEiirejgIGUZm9nYu NqYxgSkqeO0i1tDzYYX2q1T4FJPsyVEQu1wNublFH2+PjjrVHGb4S/n5iQ5M/xLuTU IGfiSO/ynwQJA== From: Christian Brauner Date: Tue, 10 Nov 2026 10:14:37 +0100 Subject: [PATCH RFC 21/41] nfsd: use fc_init_pseudo() X-Mailing-List: linux-kernel@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: <20261110-work-loop-pseudo-v1-21-4c998976c6c7@kernel.org> References: <20261110-work-loop-pseudo-v1-0-4c998976c6c7@kernel.org> In-Reply-To: <20261110-work-loop-pseudo-v1-0-4c998976c6c7@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)" X-Mailer: b4 0.17-dev-ce4c1 X-Developer-Signature: v=1; a=openpgp-sha256; l=896; i=brauner@kernel.org; h=from:subject:message-id; bh=O9QykJ0fSa/ei9QzD3DZ9rjO12HqESJ46S14fhxCm3g=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWR9erBm2RVdl2pllcvx587P2/2Nj+HEnjubhYUvT5nG7 rQvYfmalR2lLAxiXAyyYoosDu0m4XLLeSo2G2VqwMxhZQIZwsDFKQATSZVjZOiTVZZ9M+fcLevt JuW1WT9C9YytitQ/n2YJq0v/vW9H2Q5Ghh08Evn7XH9MsUgMSb9yk5f97OVSvTP7v7PqSMtvTvm Tyg4A 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. 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 f32311f2d7cf..ce2666deddbd 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