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=1794302212; b=UX8+KchCsgabl7+WABiwjxmaPDWaVHMrG8qcUVzYL5KyNpomFBQ1yo3HqTugJzNaJhe9 4uarePjHE599ae/3x5C5qCU1z2IBJ4nnPIc7gRACCOArLgy2x+UWcbjFMoTtev2CYLXXp qscnzIdDekY27D2RqCVo+RgHxs88ZzAODHz+z0N/XzhUo9duXZXfdzKOmhq4dt9VMvJ7/ 3AU7kOoOEgI92+8G5UKPx+80YoeqjyH7clwVOeqvNo18V1WcmjsTMXnT576bkgwV0busr NvlY+91U600016fL3jCBRhbbyPwgVsdQFMNItJJdTY+etAUHHxNymEhd3NFBAXpvTZw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794302212; 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=rTt9ZODnqMGXt2QPWO0j4LWRDHe8dvGNICyHTYt985E=; b=EjhNTgBl2JHOCtXred4uvCMfgww8sFiB7AArD/8Z/gEPGK+Sdfs7E0A49TclsaxSmuQl ZcwnoPNk+U86OBWn879b+jQtGcdgmDWDzx55RM469kaAc0xZsGCPisg0sSBNnRGDUBauw fyEkiP546RZgJh8vDjDAlDfZ+yZ/NlAwaNe5nzenQn6U6/rwOqQ8/+ZfmD3hK3x+LUsnr apnjxktsLhGUca4JCPbSwztWmtU8+OseAvwZnOz1XrCtV300q95KkbKt2NoC5Vmt96jDZ 7ZZFO3OLU0TCF527AGYn9/vMoFqGJZ2aRXWfmcwkGePGM+IcloJ9dqrm30VXxRY/tCQ== 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=nXwsv5rT; 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 96B23606A33C; Tue, 10 Nov 2026 09:16:52 +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=nXwsv5rT Received: by smtp.kernel.org (Postfix) with ESMTPSA id C49B51F0089F; Tue, 10 Nov 2026 09:16:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794302212; bh=rTt9ZODnqMGXt2QPWO0j4LWRDHe8dvGNICyHTYt985E=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=nXwsv5rTzvrG122CXPiddOJ0ugXqcsoi/AaGfNNbu7zvGK8mvUz48SAGlBU/zLVkz LooUWqRoN/4S8I3xcJYcAEFNAJv7CmbUQiM+ChF5ZHpfxf63bNo7Z0QdCAiOO59dr1 8fhU2KVqLBCjOH3X9bxaSSk/C75cMEo2HD2kESGJ6Y10yT4ZTrwrUuApzZmSmAZkyq 7KypYuKqM5Pjoxx7X2T/0YDQPSzhDhTa8yf55w0TWoYWrEVFZ6el7TpOiZWeC8kVq8 oCDfcYgrQZNoq58895X8dxus9Cy79YWYO/viOCOJpKnTNCeln3Zt2fAQjdrWaXV2Jd BAdVF5Rtw3JRQ== From: Christian Brauner Date: Tue, 10 Nov 2026 10:14:24 +0100 Subject: [PATCH RFC 08/41] mqueue: 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-v1-8-4c998976c6c7@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=1198; i=brauner@kernel.org; h=from:subject:message-id; bh=McdhKaZYT4i07Xats25HT8jpBIeYReCKfIiqQkLDh7c=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWR9ejDXp05OOqNfiGfutU+mD244ZPwWu6w2Ner6mY67a 1N9rz580VHKwiDGxSArpsji0G4SLrecp2KzUaYGzBxWJpAhDFycAjCRz8EM/8zfXf24LmZt6Maf 748F7bqwrvMdv95q947nnlLsuYdn/j3N8JvF0yvka11ts23/pvzN+To/re7tc+Vlrptwd4bj6ob /3vwA X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Initialize mqueue as a pseudo filesystem instead of raising SB_I_NOEXEC and SB_I_NODEV by hand. This adds SB_I_PSEUDO. Signed-off-by: Christian Brauner (Amutable) --- ipc/mqueue.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 322c3dd98c44..8bbe32d0881f 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -405,7 +406,6 @@ static int mqueue_fill_super(struct super_block *sb, struct fs_context *fc) struct inode *inode; struct ipc_namespace *ns = sb->s_fs_info; - sb->s_iflags |= SB_I_NOEXEC | SB_I_NODEV; sb->s_blocksize = PAGE_SIZE; sb->s_blocksize_bits = PAGE_SHIFT; sb->s_magic = MQUEUE_MAGIC; @@ -457,6 +457,7 @@ static int mqueue_init_fs_context(struct fs_context *fc) put_user_ns(fc->user_ns); fc->user_ns = get_user_ns(ctx->ipc_ns->user_ns); fc->fs_private = ctx; + fc_init_pseudo(fc); fc->ops = &mqueue_fs_context_ops; return 0; } -- 2.53.0