From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 AC8CF606A327 for ; Fri, 13 Nov 2026 23:33:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amutable-com.20260707.gappssmtp.com header.i=@amutable-com.20260707.gappssmtp.com header.a=rsa-sha256 header.s=20260707 header.b=a8KNXeIQ Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4jRD9G3WdMz3bdq; Sat, 14 Nov 2026 10:33:54 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2a00:1450:4864:20::634" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1794564225; cv=none; b=iDDJXVYwIZhJ+P/F6I9/n0AdYCKwOnhoWInJgsyN/MseDRtR//N1y4uAmaeiEpvBCx8mn+5VFTOuR6Gk2cBAQ8qDH3pPp8ycjWiwDJYcSyOqQnuLqCAIt12VTwLhTd9VqATmOFmEKRj4CswyYX52ZvC2kqwcsaa6wskNMQRLd6m4dxADDsE1+STIPl81N5pZh46KQR/e8s6PFzltdtMwoGBYDevbhvgRc2wWGK0PtvfOZ0CCPrsXDF5tAaw4YbL9Ek5kcUUozcmOfHf2b0N4+47i1zeT/V1pdU5pXGO6E1P0YaD8ynPEgvviIYTDmJRf4is5qSxsvkxK9Wf8/2cfjA== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1794564225; c=relaxed/relaxed; bh=6cN8hpP/bnwcYzPsZf0cUkd2pk5Vve+UdRh8Jmnig90=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=ETtZJfmgJO3sdj/BdFzNx6IFN7zqB4tRZvnLhlNgPcwYd0io0c8CbfySwEEb8aUJn+jSpmKgec78dqqj+jWdoETj8w1GDRqeDropcW0LkGeuhAFhFuwM0Venp1hxUu7T+0nAB0Z7+Di/1oziCqRMnp+k81eCPoCcK4Jf17OZUuqGYkSyKBPid/X7RmLsS6x8cV50CzgPEzbBDZjhYyLbeYXoMuFx/GeV689md7ESEbZJefiGfve9tAXRhGK5/VlgltgImE2TC3lC5DEIqOjv7HU/8Mq19JotFee9SZzRsGlG+ZmGwYsl5sffB2HxTH3KeBA5i4gjkAKIn507/jWDTQ== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=amutable.com; dkim=pass (2048-bit key; unprotected) header.d=amutable-com.20260707.gappssmtp.com header.i=@amutable-com.20260707.gappssmtp.com header.a=rsa-sha256 header.s=20260707 header.b=a8KNXeIQ; dkim-atps=neutral; spf=pass (client-ip=2a00:1450:4864:20::634; helo=mail-ej1-x634.google.com; envelope-from=alex@amutable.com; receiver=lists.ozlabs.org) smtp.mailfrom=amutable.com Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=amutable.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=amutable-com.20260707.gappssmtp.com header.i=@amutable-com.20260707.gappssmtp.com header.a=rsa-sha256 header.s=20260707 header.b=a8KNXeIQ; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=amutable.com (client-ip=2a00:1450:4864:20::634; helo=mail-ej1-x634.google.com; envelope-from=alex@amutable.com; receiver=lists.ozlabs.org) Received: from mail-ej1-x634.google.com (mail-ej1-x634.google.com [IPv6:2a00:1450:4864:20::634]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4jQtBS4S0jz3bbW for ; Fri, 13 Nov 2026 21:03:44 +1100 (AEDT) Received: by mail-ej1-x634.google.com with SMTP id a640c23a62f3a-c169ae1cb26so172963366b.1 for ; Fri, 13 Nov 2026 02:03:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amutable-com.20260707.gappssmtp.com; s=20260707; t=1794564221; x=1795169021; darn=lists.ozlabs.org; h=mime-version:user-agent:content-transfer-encoding:content-type :references:in-reply-to:date:cc:to:from:subject:message-id:from:to :cc:subject:date:message-id:reply-to:content-type; bh=6cN8hpP/bnwcYzPsZf0cUkd2pk5Vve+UdRh8Jmnig90=; b=a8KNXeIQFYlCZEgcY+04lzlgpDd/9CgGC77LsKsgqU21M1WgycO5aPN/UJ23V5ty8Z OOLqhhp1+GXBacMejNWClkUb876mY72uMBSw9EdbjMNP25uH1assb2sVOMQdsYitjA/0 HyPGm6mc04J1VCqwPgU8a7FbmNVXIik9lDoxehdAc5KmHO5WT4vPCi7SLZS7Ji4iN07y OhUftfXLNF6N8kk8Gg+I6uwTdlHQLowIkbxBngjl02mLx7WGsLwEuZJhLW0La2nlzIps XKHiOAFsXuREcCuWfVbcClvUFBvvIHa7G3XbULnhxkuqCUr0vGb5hQpyzyAkYDkyP9cP 4CMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794564221; x=1795169021; h=mime-version:user-agent:content-transfer-encoding:content-type :references:in-reply-to:date:cc:to:from:subject:message-id:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=6cN8hpP/bnwcYzPsZf0cUkd2pk5Vve+UdRh8Jmnig90=; b=Z40dc4DDEhR8d3Y0h8RxJBf15J5oUujcyDfh1kInlybeRpIR2SvD3HJH5w77EJ2lrs WWCvgCagnYCwx5dIuEti7W2kiM6VEPkNeX7JiJ0Pbp1wr9qwc3O03szeoinMk9jSxCF7 etIfnSo/8CslyZNOMdSliLPSXCE1kEaFDULa+rx2Y9zCgsutvvzMkJuByN9QVVsDLiti HlSmBnvG8YvZqO/BRUSTEuMdsHGYpu5s63UV6yiC46QsTb5xrcHo0gqsBHq6/WrglbC9 mBiLzeaQK13BwzSzdB+0BRlYNtZKwOn+Dlrq46/+050Iu2ua/f5Ny6dJFMoglV0RJ7jt IO2w== X-Forwarded-Encrypted: i=1; AL+hErFrejOWVFr01U+/kASLz4B5qzMO/8uiJHLacKXUd93ktkgbFlEOTdhe9hECWnS6apIgLcT+HOkYPGpOdDI=@lists.ozlabs.org X-Gm-Message-State: APuU4Z956JO6zt4+lSu2vBpCv+Qq4c4esHWJNFDPQtg1LHkQANQgaPDt fZeCy2U3AxnvaCeA8rxjvlqL9hWUz7V/PBfKtMDA+D4cVRa4WmiDDryeWNaTcuGtFoEV X-Gm-Gg: AYBFou1cOTd3HM4zt0RrBJU44hC1PmuOejSWyeq3rsV/U7uUzg0jozGJo+4FVJNuVNk rL7itneErGfw6MbDBZ+OG9K5mepIDvQVpMphRlay+Mcmc35vzhCr5ijQDdn3ZJzf8T8+OsFpO9I z9XkoRmEYnzIZaNtkVVXvmakfqmQ8/MpaOyWJM9it4aTHsl12r9N8CWQdvDd1k2jygO+hkvif9z DhXK/JluUKIcFfdAhiudhzk0rvjzon4a7OHLUMwfiB/ASvx+aGvUU93DjpJNyXcLZa3sEhhv2Me tKn7hEkDZ5P6AqZPab6RelK5u4FiYeXw6MadmJice8Q+bKcTgZRt391Wv0j/CsRpjO+RmVJbeEH WjB5pv3rC0r+344dtTWeQoEhf/ks+nqOhwJldgDl3u9UDCy4lDyKI9i4pUNVYdYzj2E+u8V6yhx IHP7zYPqtFsjJ+Wyetktyv9YCXrhHyrUii25DeyVUZ51GRWUQwEnGxLUhXNTNTTOR0MfrniBUAX Kzw9NDBb6G9OR6/hyN/69PaE7Sz/SdRbuv29KRbKvWd2RU8AKCVXR+MuSXAyd/7QmSxptdVlv/7 LMGdhtmCsH4yjuSnhHWpMiVTbglgrMws+YPfpUINdU/En8dEFTaOiE3+T6Wf3Zo= X-Received: by 2002:a17:907:7b8c:b0:c42:bc58:f21 with SMTP id a640c23a62f3a-c50963856f2mr175546966b.15.1794564221164; Fri, 13 Nov 2026 02:03:41 -0800 (PST) Received: from [10.0.0.233] (tmo-086-54.customers.d1-online.com. [80.187.86.54]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c5095b23b3asm74752966b.27.2026.11.13.02.03.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Nov 2026 02:03:40 -0800 (PST) Message-ID: Subject: Re: [PATCH RFC 09/41] bpf: use fc_init_pseudo() for bpffs From: Alexander Mikhalitsyn To: Christian Brauner , 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 Date: Fri, 13 Nov 2026 11:03:39 +0100 In-Reply-To: <20261110-work-loop-pseudo-v1-9-4c998976c6c7@kernel.org> References: <20261110-work-loop-pseudo-v1-0-4c998976c6c7@kernel.org> <20261110-work-loop-pseudo-v1-9-4c998976c6c7@kernel.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2-0+deb13u1 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , Precedence: list X-Archived-By: MIME-Version: 1.0 X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS 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 On Tue, 2026-11-10 at 10:14 +0100, Christian Brauner wrote: > Initialize bpffs as a pseudo filesystem instead of raising > SB_I_NOEXEC and SB_I_NODEV by hand. This adds SB_I_PSEUDO. >=20 > Signed-off-by: Christian Brauner (Amutable) Reviewed-by: Alexander Mikhalitsyn > --- > =C2=A0kernel/bpf/inode.c | 4 ++-- > =C2=A01 file changed, 2 insertions(+), 2 deletions(-) >=20 > 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 @@ > =C2=A0#include > =C2=A0#include > =C2=A0#include > +#include > =C2=A0#include > =C2=A0#include > =C2=A0#include > @@ -1197,8 +1198,6 @@ static int bpf_fill_super(struct super_block > *sb, struct fs_context *fc) > =C2=A0 sb->s_magic =3D BPF_FS_MAGIC; > =C2=A0 sb->s_op =3D &bpf_super_ops; > =C2=A0 sb->s_xattr =3D bpf_fs_xattr_handlers; > - sb->s_iflags |=3D SB_I_NOEXEC; > - sb->s_iflags |=3D SB_I_NODEV; > =C2=A0 sb->s_time_gran =3D 1; > =C2=A0 > =C2=A0 inode =3D bpf_get_inode(sb, NULL, S_IFDIR | 0777); > @@ -1261,6 +1260,7 @@ static int bpf_init_fs_context(struct > fs_context *fc) > =C2=A0 opts->delegate_attachs =3D 0; > =C2=A0 > =C2=A0 fc->s_fs_info =3D opts; > + fc_init_pseudo(fc); > =C2=A0 fc->ops =3D &bpf_context_ops; > =C2=A0 return 0; > =C2=A0}