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=1794302219; b=WRexICK3vYd42nB4lnnGyJ4qQnC8jQFDnxMxDxROPyjtn5umz1eFQYjMXcfGa+d5OR+W voldUakvITsroHgzNdRcCh3uW6owDXFpZLKjysGW35xlGQiTx7gqb2xQQtWALj6J5HobT JiUNmNc+VObMtPsQ60kIVcwpsU+e8eRWGdteveY3id9hBoijv8+S1rneXkdsC9h5Rh8Na 3yqsA6/ii61mSUu4rzvRPp32hLkLilkVSOw+2NWVdslZqHe7eUew5xv3vJnUxOCCFNMp7 j0GjD5qe+MLmlCLJdrtISvzTwTLD9QQn45MtpeA2DCHrm5ye702uftl/M73QPgZ6XpA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794302219; 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=WY71Uo54gYhZKR4pKqr/19QlXycB+RRfAfSK6SBkMOo=; b=N/pM4b+lR6q7G6ACk7vki8NrmZCVkCar+YPc1nA97WJFMKgGZ8oOLEURUkie0YSJ09g9 skn3SN+WWobiSbWAtOg0vvbHmXMjtK9acCBJcmlH5W6pswvkchO5rrop6rL0qjji0cfAx kQOCusyWIrvhQ3rIdEMD4n4Myt5phSqHIz1TqxnJ32MCgvz+jX3Da9oDjdqTQTHXfVfNx OhIh70wlFcgFEUqz6+aZ+MjvXsK2z7AJD27uOpwAgAfl94n7WXiNkf3xgSYMZ0GV747Ja 7nCU2Ee03Tx/CLsGqXVCE6E4Z9bDXFgmoI5YWnR1VkRl2WpDOYr3e5pYNxkm4Gsta2A== 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=LlMaKIGP; 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 7D09C60A380C; Tue, 10 Nov 2026 09:16:59 +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=LlMaKIGP Received: by smtp.kernel.org (Postfix) with ESMTPSA id A02601F008A1; Tue, 10 Nov 2026 09:16:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794302219; bh=WY71Uo54gYhZKR4pKqr/19QlXycB+RRfAfSK6SBkMOo=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=LlMaKIGPglPkcvGNxGDrg7KApXX+gHKG5SrrawRrOpvdcrBWjo8TZvaYC/dVHXPkL o7Q4vzGLaTH3tPVI6EK6P52H//aWm8LX6LNA9wx7GzZylS8Tm5t7Uihc8gqN/tYIDQ PP3rUbIEqyxUIjeAdPOxrVHEdBQihQ2084RfxCjhwr5G5bFc0E6zHMFFmmj7AzSVaR tXO6WvEI79qn/4DPL9toj7+CN6z0DqQ1WOgva9FN1PkhAS1Orh3mr0q9GB2K5qslXC scXEvlIXqJ5srN3BcqIAjqdwqr7UK9xIGt0dTlwV0MKzMAeX4GxKcYRYlOYndv3UdD j0+mmKCFyRsXw== From: Christian Brauner Date: Tue, 10 Nov 2026 10:14:25 +0100 Subject: [PATCH RFC 09/41] bpf: use fc_init_pseudo() for bpffs 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-v1-9-4c998976c6c7@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=1203; i=brauner@kernel.org; h=from:subject:message-id; bh=NuPA4jHbua+UQUqvE1NH9WnvUCJeB7nsXYSG49yrfac=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWR9ejBv9qN9iY0qd75n8gck3laXYJGcP/Xvwpp6nhV1l +fz+Fhu7yhlYRDjYpAVU2RxaDcJl1vOU7HZKFMDZg4rE8gQBi5OAZjIHQmGvyJmG6+tnBjH3qJw I1e/7XGpNFv1HyWFz9buJ/bVbr2pzsjIsPmDUI3mIZewOZLzrAJLZy6ad+vu3j8/r72fuW2C0oR /b/kA 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. 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 c6f328e4752e..57cf3775c076 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