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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-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; 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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