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=1794661600; b=prYJBHRN3VceFXmP6ziQsr3dwWNUcjvK7KBg8kYtH9dNYHuNPcM51g8QG5bl3fI6cyjl dIn2awP3FcsmhcLuTz8H+PVzm6HYWqSSWDxX8A18Xg9bl51R7fxop1HU9FM9uffP0P2yL In/HLZS3Yf5eAHDPSmnz72rR7xO4Po5Yn5a8RUHLR6lwD8gWssKbkEVQTvNtfgkQCK6Vq ge9b2FttA9y2wygQVala66TsZrO4WbRPr/LjtNgc7q0PNwnIBGv6FGzQk1v9LW6OPuMLJ BRLD9w3bgDQu6Q9itBAdnuXKAO9JbCVAvX54Dlnd7lx0EuyxUDQdz6tTvVr2sMxKdRw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794661600; 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=Acb/Xrf5UEvLQ3qZblXZEvLF8dI3PWAoA3H4K2Drtr8=; b=Z9pCh+u+5jcbdEa8G9YImj3dJW9DCGiXDcKfWc+/yK8pJdnEd4gs0Ow66r28CvIDjFYW m4SJOEgtTxU74AW/lUdwzi/X36GwGF3yM2h7i+4hBF7xGi28w6cGHQZ/wh2zJo/odXjuC QdSnd5edr1iNwj/JMvvnBlqHvj2Kj3rK0YAkxezekj4uKRUzEvlwxziUNCR2QGICnDQQP GKP5zaVvCashTCFcu8vQdik0yHQNR00VFgaoLqeBY1x7Ikp5kpdeXfB2L1QQlWkvNoHW5 JvAq7cp4KlzlofKceMDYm/QlIE+Fd3kYRnxw4Q1fIpyPZeNWpCC43rMCVB6N5prBG0g== 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=KyNtY6FC; 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 34D84606A8A4; Sat, 14 Nov 2026 13:06:39 +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=KyNtY6FC Received: by smtp.kernel.org (Postfix) with ESMTPSA id 646751F000C5; Sat, 14 Nov 2026 13:06:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794661599; bh=Acb/Xrf5UEvLQ3qZblXZEvLF8dI3PWAoA3H4K2Drtr8=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=KyNtY6FCF87BGL6Kw/0+nFiSNhII6bCQoi1XcgNkkdx5QnSLvOmFeUx+1Gzw6qx6W 8qfU1kxc4TxMYaN7FiDkUr2M3uz6BLbF+u3v/FDkuwPjs/jbG+c9zGvRkTjFJmEjiL 8JS1ZHT8JFf+5Nw1nJtiYKkLg72hoVlMsqVfMy3CtWoGP4sQd8ckfZhFir2N8shzIj rbapZY7d9iip7viefelICnAUIpwFJjRrBSAisiXulqRLGKF7pcgO96Dpzy48VQDU+9 fXRynAzshbd784aJhyQ+BI+MHkoqrwcw09i4frlx5HrLz+z7BB29FpUtgvajAYU8kx 5ZLHrcpkiH2sQ== From: Christian Brauner Date: Sat, 14 Nov 2026 14:01:50 +0100 Subject: [PATCH RFC v2 09/42] bpf: use fc_init_pseudo() for bpffs X-Mailing-List: bpf@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-v2-9-98639a2286fb@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=1306; i=brauner@kernel.org; h=from:subject:message-id; bh=RMw1xl23FNzYnwkWPo3aqKCop8QxJMPcn/mgOSyUY0w=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWT9iMnP/Sqt8ZKlWW/DquWr7Q+27feurNp59XxZz58a9 18b4yU7OkpZGMS4GGTFFFkc2k3C5ZbzVGw2ytSAmcPKBDKEgYtTACZyeTYjw/USkxUJXYnv5D+F 7fy6Msz9i+c5yYvtTRpVx5rmBdWU3mP4n7mJ5axYzdeTT2Z2JT67oLhnXfTECV2TncN/ctca7o3 3YAQA X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Initialize bpffs 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) --- kernel/bpf/inode.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c index c6f328e4752e1..57cf3775c0766 100644 --- a/kernel/bpf/inode.c +++ b/kernel/bpf/inode.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -1197,8 +1198,6 @@ static int bpf_fill_super(struct super_block *sb, struct fs_context *fc) sb->s_magic = BPF_FS_MAGIC; sb->s_op = &bpf_super_ops; sb->s_xattr = bpf_fs_xattr_handlers; - sb->s_iflags |= SB_I_NOEXEC; - sb->s_iflags |= SB_I_NODEV; sb->s_time_gran = 1; inode = bpf_get_inode(sb, NULL, S_IFDIR | 0777); @@ -1261,6 +1260,7 @@ static int bpf_init_fs_context(struct fs_context *fc) opts->delegate_attachs = 0; fc->s_fs_info = opts; + fc_init_pseudo(fc); fc->ops = &bpf_context_ops; return 0; } -- 2.53.0