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=1794661628; b=trIm5q93eJnrikpVluJwTQYegNpidDnexN6xW2u3MZdUkIiD4EaSIx0tU27b509gev7L xLt25ME+yBnbEY15SbcrhtTTRAg/i3rhNJR/fYfR+JtaZgOT3BZGO2fvLUAaRl3K1Zd/8 ExVHluMcz0mPI9pyfbyrjrf0VbgbuwwLMBYQ5sb8mzoKjOUL2EQw26RDwgVLdf7X7v4Wl llr3MMvjijO4XSX3CKbsIbYaemQzEPPuVAererfhKfJEe1dQMWET3ITXZvteIxVIErcgh O6uaiOPapIo+l7qbGU9TjN3PWJoSSjNoLSBQCMIAKmld1bezLWfHMS0BDNsDXkj5uMw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794661628; 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=a4DogC3leTMvellKkr9nWRooBo/YpeiaomL5EWz/ARI=; b=5M2dHMIBtVUPeNR0SqF9o6ASNsJMYhs4HhBSGCBWN/EuuAg0fL/yrxm8XklyprPj3aqV qnyhScaooFxAJpDaqlVpDJ9ayAFHcR0nUJ7cEIIvQhs0cJFViTSGv2/JQraGXwAXJJ2CP JQ+WaZd6qsJ8/1hLptW68x70wb6sEduljWJ+1+rOpm9M42RBvbayEIJOmujQZJDOiSSHS vuy1kGgoweliJ3lvWus81W28RPiCZvFTj0X0Z2ru0TYM6Cfis7jtNqYsAv50D8GwwOW4U H7s3K8YUgVCTZC2/AtUfTUQwfOOnn8zWIVZwJvD5xxlIHSeW9NlDfysVwKT9s82vN+Q== 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=eNMLKdTx; 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 3C2C160A6F44; Sat, 14 Nov 2026 13:07:08 +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=eNMLKdTx Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5F5541F000C8; Sat, 14 Nov 2026 13:07:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794661628; bh=a4DogC3leTMvellKkr9nWRooBo/YpeiaomL5EWz/ARI=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=eNMLKdTx3dymmeQj42x/tiPQZlsYxo3BnxO2lle2ggCk5ik4UVoGb9FneQv4f+PfE iPtXg6wJ4NiBYxVUKwrwV6BjjDW1PYcTx9AdLPDNYcRJOa/njeQT1Tui+yB5OKPTPd pBiRmu+dYcCDMMFEP47vr4N9dOso2DnIN4N2dS49BqxUX+8EhXORqAc5k/0HnUrAep 9Yh+6V9R/3YLoNJ8Vj+tT9kmqKS6ojGo0ggbD6EZRxvoiqNbm9pHagQWaWsSziNoLX cDNo+Xtyw5HdAJaWdM3yOjBIu3OaQSIdSq32D7VRiuAD0Ykly4nDMli7qT1xKcfmFF gfkjM96ebjM0g== From: Christian Brauner Date: Sat, 14 Nov 2026 14:01:54 +0100 Subject: [PATCH RFC v2 13/42] devpts: use fc_init_pseudo() X-Mailing-List: linux-nfs@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: <20261114-work-loop-pseudo-v2-13-98639a2286fb@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)" , Alexander Mikhalitsyn X-Mailer: b4 0.17-dev-ce4c1 X-Developer-Signature: v=1; a=openpgp-sha256; l=974; i=brauner@kernel.org; h=from:subject:message-id; bh=/9KDxh8T8EW09H7q8v3DIxE+0d7Rcpp1sL669Qzx9RY=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWT9iCk5MqFtZ8uZ5Vpfmq9aXrFPb+e5ILP/w0bNwh/9p jtOP348taOUhUGMi0FWTJHFod0kXG45T8Vmo0wNmDmsTCBDGLg4BWAiuccZGe7P+j9R4cfXIK9F kskbJ11+sv2x5N5pR3qFQ697SPMd/n6HkeHec5OmTsUeRsv1nnuXcvV1232cPa9UY1dJ3KG88C2 nSjgB 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. Reviewed-by: Alexander Mikhalitsyn 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 bd1e8eb26edb7..47ef12241d92d 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