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=1794661593; b=0Oh3nfRe2ORsVi4dPujqMtWHnN6AJubDTFyt0tK27rtRWXjeTgyKeU8Ym8iwAo2mP1Ns lxKmAIwZRdp7lCyqpVvurk7k9+078eKE1v7JWBdC5H4v2hbz0XCkaS2WfsKPPXxK7xM+6 ZlitDFcRIP6Q8H3QkrYf6RsIKgoW7fkNIYEXPyhRVU4Wn0ngvcxNWlRqHVVLkdjtoAF6W E4HGo7JGp1i9PjnaJjDFJ0kUoX4qZ6WuoWEtMjJT0Cjm2hFEsR8YyhnE/HDzw767CzG/W PWP7f5AC/SYkNFylDbmg/hbM0ODNt/4lugX+HObEOrAPnq/7Zift31OkkFOFZQiAbmQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794661593; 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=vEUQcwW4egCFJ1K26houNDRkryaQ/QAvUlLdf7LIxfA=; b=uXYJZRmT0cUqf/Fq8NVXOpJMO999I6enXP9tvi+BY+XQHsjnPhjoQzDHw+ZU+ERw0ZcI yJ57Sxhj5w0Wz3LvX6qUNIgr9r7upgvkEmzcK/nWFd8qkUTi2Jdo/wKNQ3E8lyUicbNMS Iodb9Xd/LnJRPaNIDt1S6k4N+7TRHBqQXYXCqeQK9GNX7u3UYynpV9q6jPSFfXZcljD5F EINcWZ5UJxK/eB81HxlCAUC/mY+fPu5WstVbTXg8AJZsSyS+mgrHMV0qSEMTE9AeSJaw3 /o7G9WzZQXPI/0K9lNWf19kL9I5xkYUot72DZmRGwwXVHVgJHTBFmLgIW/XpfJ9snzg== 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=DJFe+GHm; 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 4A9A4606B0EE; Sat, 14 Nov 2026 13:06:33 +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=DJFe+GHm Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5C2ED1F000C4; Sat, 14 Nov 2026 13:06:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794661592; bh=vEUQcwW4egCFJ1K26houNDRkryaQ/QAvUlLdf7LIxfA=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=DJFe+GHm923QnX6Y5soo7AJQ8SdH4x0drSIbnUS2OWssnfwJSQUV2IZe3ob/XB55y HGpRKJon2FGC5GmKiKtWRgG+aMur8IjXtGeM7NDvCjs8HeoWosaYHGhW7xvQNJxHnj V4RGXfeiw/5d9W+tWBHjJSDYHShB/CzKIkoMMvKbF/QdHP9BEN1PAP6X0fpbq+Dajm CXmweTwa8ua3L0aVTYAucEIcFCy3WE3wxr/DXYLuLhhFs+aHqTQXXM/VppEQlnuEaL lTMHA2EAW1JBgJmg/Y9PCfE+UFz0cUy0VBh0Br+5g/y+MUzPdQgQ7kbV5gr8gtumMk 0iV1JBfnD/jCA== From: Christian Brauner Date: Sat, 14 Nov 2026 14:01:49 +0100 Subject: [PATCH RFC v2 08/42] mqueue: use fc_init_pseudo() X-Mailing-List: linux-s390@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-v2-8-98639a2286fb@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=1301; i=brauner@kernel.org; h=from:subject:message-id; bh=qF0TT28NFfI9TLhhCqBLUWCBoYJ0XY66UkmFCoZwvwQ=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWT9iMk78utTVQKnnZ/L9apqi1Ijq5VX3P9v+Dhp6pbtz hPnh+z92VHKwiDGxSArpsji0G4SLrecp2KzUaYGzBxWJpAhDFycAjCRpqWMDHO2fHNRqMw6vLBd svjftwLHIIbl/BEPDSTTuNUk47nebGL4K/l/b+Gahb+vMDEwHLnCfPthSuHM++uyg1evCA3JnNr lzgQA 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. Reviewed-by: Christoph Hellwig Reviewed-by: Alexander Mikhalitsyn 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 322c3dd98c447..8bbe32d0881f2 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