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=1794302247; b=uDVFi5S2Gyu04BN/pk6I29gGLTYAUoW5zYYagPBVQyCWHHmEgx5AoGfoWici+vc8GPYt ST0eGwkHtqLshZ5Z7lhi8BOFItaWzdKmvHUL806Sj1GUdldg+FuJrzgGxrXgpSiJ2fpsi RVj17cQz1LgnpD60RAZK70d0cCtH6LFmwUGaMxR84QsOkMN+agyYv6uj7jSRZ63vJNd6Q FMMzA5o54woKNhti+x1XcR3AN4SWsUA1HoAwB26KiLDV47RrAno8lf/urdpbp1+MzKjJg 4UVG2I4kScDHKHXBGS4zMiGrkbTipnv1ipQODbocALt7URH7NUbOlwu7CBAn1qtXc5Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794302247; 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=nwdvLDg6bh1u0DzBGVwm7FjMDeBdtqjQseAh0xTl99I=; b=ooWJFP+f6tQghK8rgNGRW9fpkGgOsiTP0uQDJfHmOAVaSGH+/BIlHKkZjTxLBp/djfvh 4KL3pKKL0Eoc8+VCrPz3ApgpCRvW+TUb18GZcPcArGtxhwlGJkDhebZ0LpEE219f+Ytyy HQIPpFjI+9k/UeQJfTjdZ2936qXPlwz45bREKictGVf1T0QxP0/BTPMniJkVZ4iXR92hn ejvkvLjSw3gm0lLHboJm1kk0XyOkN3YXG7dsg0IxuYG3s/F6oHfvquPZGimIdfURsI/X6 g5xmLNVyRGOtYpgOhvfzS7Hn5geGN+0mIVeOhddN8Th0LkSxSuzAEFpm2uz6ByOcHrA== 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=VFBfo7hd; 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 072B760A2628; Tue, 10 Nov 2026 09:17:26 +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=VFBfo7hd Received: by smtp.kernel.org (Postfix) with ESMTPSA id 458491F0089F; Tue, 10 Nov 2026 09:17:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794302246; bh=nwdvLDg6bh1u0DzBGVwm7FjMDeBdtqjQseAh0xTl99I=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=VFBfo7hdp6CeqpCV/lTJ2YVYrsN+l15aUN/nPrx8Rg7U/JoKUXLTS/O+qt5CD668b Tvg82H2hCyRZdK0y09cJVY58Rhl/zTfH024a37WXVgI61JHTo+hhQ4sAK9pYHF9Jyc DzcnFl9SoR42roIHoSyhOt3f1yUXXQ9XEu4wnL6doNmOxGOTC2UxCXLYIJjUWc61Yf k2GkpKuijQrA44JhQn1HQ4PgE/MbIqiot91NvXxjd/Re5Y7uEX3vLft3JgMtpiT0CH /c90C0EJy51OUlGahyRcvr5j+wOW65ab+AmNA2qoyUDajcckrSrMy8qdO+IXNuXqIq YuNNlKf10iZug== From: Christian Brauner Date: Tue, 10 Nov 2026 10:14:29 +0100 Subject: [PATCH RFC 13/41] devpts: 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-v1-13-4c998976c6c7@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=916; i=brauner@kernel.org; h=from:subject:message-id; bh=NbjUJKnUFt4/WnttO8t6CLNMaU7LsVpFd2X5tAMzhrk=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWR9erD4sV7JnhvtkV5xL4MZSyqkM9c3WZr+jvrmFegxf 8Ze75f/OkpZGMS4GGTFFFkc2k3C5ZbzVGw2ytSAmcPKBDKEgYtTACYyLZeR4ZqalqDRG+1nqwtL 9i369KNsxlvXLdmFi/l7l0SdtWZQ8GL4X312nsC5iU3+AX+yRU57OepI7oo7eS8qNuHM0k+v58a n8QMA X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Initialize devpts as a pseudo filesystem. This raises SB_I_PSEUDO and SB_I_NOEXEC. devpts never holds executables. devpts_fill_super() keeps clearing SB_I_NODEV for the pty device nodes. Signed-off-by: Christian Brauner (Amutable) --- fs/devpts/inode.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index bd1e8eb26edb..47ef12241d92 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -438,6 +439,7 @@ static int devpts_init_fs_context(struct fs_context *fc) fsi->mount_opts.reserve = true; fc->s_fs_info = fsi; + fc_init_pseudo(fc); fc->ops = &devpts_context_ops; return 0; } -- 2.53.0