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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-Archived-By: 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 X-Mailman-Approved-At: Wed, 11 Nov 2026 13:17:02 -0800 X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" X-Spam-Status: No, score=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 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