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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-Archived-By: 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 X-Mailman-Approved-At: Sat, 14 Nov 2026 05:56:41 -0800 X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" X-Spam-Status: No, score=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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. 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