From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.208.42 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794564334; b=MPbwjYweVX67vauIfs0djK5rGu2n1FpltHv4GUsUickZvSP5Q1ClJD419YwxgATKEyki fIUm1q5WXmuMIlM7syp5c5Q6iX46MKmE6ctmDJGcZ/JEOnxitPu2Oi3+FVEapWb6rNwXq TVd4mYvALQgAfgpnQD5sXIF2u5/3evnAxNOCdMCw5yzNnn26J1S2D5hjfa7XkEPbxoUkY 1Xv2Aq63bQWFpoL6ie0moAwWttTvo3He0oYZPlkGTkl+/KRq19F+WGfZ2+17Mh9Lk1Jga YkOQQMy8KCZfGnQDh8jlknQyc1LNc6p+F/ZY8wxD3oslht/UZI8hAblluJLh54x9UbQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794564334; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Gm-Gg:X-Received:Received: Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:Content-Transfer-Encoding:User-Agent:MIME-Version; bh=fNM18G1T3F0ezY9f7dMoEwC6d3kOVWk14Z1vuqkOGWM=; b=XRdtg6BHqVcCg+IEAfgXULoLYm97de/Q6R/B9wuaxzREk4ketxyzXdJvfDiwo9+BtFd8 9O5a7iTXFaX3y/t0gEBKSO+vL5also1MCvpBkVx+wQo3DJJFsgTfhACp4SQE0ct+P9koh ACp8Ct7CfJWEt6cQoJecXpls0VGWkcG4RCJdnXnpsCINB0WOYfHjNVuiV7+mRof2fD4Ts tgHRGBkToX14ak27t7LGNhgaPmkGQb2OcciJfzAiFs/BzJmnKfxVv5JsLCEXrHrPC+PbW hBwNee6vd2UP4SDgICZDFueSlKEXQuvhuqioXZoosm4x5Hbqv7uaD420gdvzg5iQXfA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none header.from=amutable.com; spf=pass smtp.mailfrom=amutable.com; dkim=pass header.d=amutable-com.20260707.gappssmtp.com header.i=@amutable-com.20260707.gappssmtp.com header.a=rsa-sha256 header.s=20260707 header.b=QG9grDi1; arc=none smtp.remote-ip=209.85.208.42 Received: from mail-ed1-f42.google.com (mail-ed1-f42.google.com [209.85.208.42]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 51D87606A88A for ; Fri, 13 Nov 2026 10:05:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 51D87606A88A Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=amutable.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amutable.com 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=QG9grDi1 Received: by mail-ed1-f42.google.com with SMTP id 4fb4d7f45d1cf-6b7bfefba55so1543206a12.0 for ; Fri, 13 Nov 2026 02:05:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amutable-com.20260707.gappssmtp.com; s=20260707; t=1794564333; x=1795169133; darn=vger.kernel.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=fNM18G1T3F0ezY9f7dMoEwC6d3kOVWk14Z1vuqkOGWM=; b=QG9grDi1333EJ5vFrDKveygehwnROLgKvX8KCpfSFWXv+I4eyfqnua8R6KtrAOOR2l +HS5JCIdHH4GFYhxTGpcul1UYrqBxVEKVYtZXX+QuFjz3atGFob21cLqAoqZi5JADlHj naEBbS2xDydM14fm4tN8GtiKEyyXhNYXhFZ3I5ZySehDVmQo9RyEp8Ng8zKyI33PSYjC lTyIPU+8AziQI1Gig31BVdjw6dAVORszr2VJptJ60UUsagtzV6Rq+xhfECkHhjnaX72r CaBJBa1VgM+UMc6r/RVDCNlq7Fp9h/YsxbVqvvWGNdAmSmDIEy12RhSNOsQRohbebR7n 4UIw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794564333; x=1795169133; 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=fNM18G1T3F0ezY9f7dMoEwC6d3kOVWk14Z1vuqkOGWM=; b=QaIkdqCZAJYV8h+uvs7ErSy5t3l19n9hmytT1QB6bSBk10aAZ56K6gu82Y6j7/v3VV bTVyItZ7Qhr6r3Gkd36s28APZxe/AnxDsctVMHjQHT2eTQs+RlUL85XqYbqgLNk/bpSv xdr+Lr/F/M4AtCXv6DHBVczf0Ow8uVyyFD8ZIu8iqLtcfDh2FVEKbHkM1U3qL5iwBRYk sPdpjAJFI9mbqR69lhjJ1KjBViWlrAeZWk3isjItRfFIjGgScUlFpTcIpVpTLXgeBFXI qqsQ6f7E3HFwRbhp7zePx02ve8q39zEpUsQnnqsIPVZ1BOmJ1imBtCrujqNtOY7zHsbk Wp8g== X-Forwarded-Encrypted: i=1; AL+hErGRkFPaXBtg4qGMcKvuZQfltxXCKDyYGVxAsS5TXmgmK1YAkSFploGtoZsg/202nq7BVzUwAetG1HdNCy0L@vger.kernel.org X-Gm-Message-State: APuU4Z8Bv8lKolBxj/NGNSGBz1ubWOaxrLx5AZYyUkZ8VzjBrE6dKHBr cVw39BCbkMzZF7Xedf/C0IyTQz+bey9BLi9qUCq0nUlzfGotJswdWWJJdfhgoC7Q00ujG7/DSYK EKBqhnaMhKAs= X-Gm-Gg: AYBFou20Oo1SHbeuHBg1oVBJXJV2q11iFAvbN+b4Ji51M0v6ZywATkZK6RmE+BoqJVT 50/bdFz53CDfVD67+NzlE2tAcmUVcwucrAz4n7RGHKUmkeeJNUQqlIQk7ZyMD7BZONTVJZdvrol kygQ+Jch0PkoPRhaFTfR6QpaPMctzB9ahmN6mJspJLp7VFLe6gRvMNOndBsprn5d/JnBRboxrI3 cfSahiQDv+8w6fqvl1uCLdvSvZh5F21NZFIOE5N5qeyAOFlyIQsrvnxz7YIQd7IeE0hCV7zwL5Y owdmVXAbILyKTASW7MBxUbM0IYrcnT16QMXltcGOlnMTd5aozJ3u4tet49dutHZ3DzhEdOCH8Sh GcrpFIXjVh9rJSgZdpSsTdA5PBpyrx727Z/eAtj9EYrzuFRjC549SNaB7+iuOoYvsXWeh+o5MlA 5zImOrRjcnWwu7boTZNciylNFbCF9kZrxQE/i4GSgQXwnKB3TaXHX/Wo9JTdIeV6LzaxhfeU0jH Wcuwv4SxsrFxbroD1fUeI6cyEIRHsR/lgxw/14orHutoRURfrTSIt4lN5yc+FDSAzI7yVKlUy0v h2dpnVndz6aYnx0vBN0eVX+usfejKkyoWMUuVSOZHSGw07/kt1EkYh1ejkMN4BZ5364NkQfg9rp gHpyMIyG1 X-Received: by 2002:a17:907:608f:b0:c43:eae5:ee80 with SMTP id a640c23a62f3a-c5096398b03mr148720566b.17.1794564321873; Fri, 13 Nov 2026 02:05:21 -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-c5095b7b2c9sm75811766b.73.2026.11.13.02.05.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Nov 2026 02:05:21 -0800 (PST) Message-ID: <08fa1be263cf4a3db6b3e5ec2847107fba7acfba.camel@amutable.com> Subject: Re: [PATCH RFC 13/41] devpts: use fc_init_pseudo() 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 11:05:19 +0100 In-Reply-To: <20261110-work-loop-pseudo-v1-13-4c998976c6c7@kernel.org> References: <20261110-work-loop-pseudo-v1-0-4c998976c6c7@kernel.org> <20261110-work-loop-pseudo-v1-13-4c998976c6c7@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: linux-fsdevel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 On Tue, 2026-11-10 at 10:14 +0100, Christian Brauner wrote: > Initialize devpts as a pseudo filesystem. This raises SB_I_PSEUDO and > SB_I_NOEXEC. devpts never holds executables. devpts_fill_super() > keeps > clearing SB_I_NODEV for the pty device nodes. >=20 > Signed-off-by: Christian Brauner (Amutable) Reviewed-by: Alexander Mikhalitsyn > --- > =C2=A0fs/devpts/inode.c | 2 ++ > =C2=A01 file changed, 2 insertions(+) >=20 > diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c > index bd1e8eb26edb..47ef12241d92 100644 > --- a/fs/devpts/inode.c > +++ b/fs/devpts/inode.c > @@ -13,6 +13,7 @@ > =C2=A0#include > =C2=A0#include > =C2=A0#include > +#include > =C2=A0#include > =C2=A0#include > =C2=A0#include > @@ -438,6 +439,7 @@ static int devpts_init_fs_context(struct > fs_context *fc) > =C2=A0 fsi->mount_opts.reserve =3D true; > =C2=A0 > =C2=A0 fc->s_fs_info =3D fsi; > + fc_init_pseudo(fc); > =C2=A0 fc->ops =3D &devpts_context_ops; > =C2=A0 return 0; > =C2=A0}