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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: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , Precedence: list X-Archived-By: 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 X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 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