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[80.187.86.54]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6b7c23611casm766458a12.9.2026.11.13.02.03.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Nov 2026 02:03:54 -0800 (PST) Message-ID: <16dbddeb5cbb9613dc806b43fc681eb26aa3b0dd.camel@amutable.com> Subject: Re: [PATCH RFC 10/41] nullfs: 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 11:03:52 +0100 In-Reply-To: <20261110-work-loop-pseudo-v1-10-4c998976c6c7@kernel.org> References: <20261110-work-loop-pseudo-v1-0-4c998976c6c7@kernel.org> <20261110-work-loop-pseudo-v1-10-4c998976c6c7@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-security-module@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 nullfs 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=A0fs/nullfs.c | 3 ++- > =C2=A01 file changed, 2 insertions(+), 1 deletion(-) >=20 > diff --git a/fs/nullfs.c b/fs/nullfs.c > index 319c2f5c5a67..2fe24cb97160 100644 > --- a/fs/nullfs.c > +++ b/fs/nullfs.c > @@ -2,6 +2,7 @@ > =C2=A0/* Copyright (c) 2026 Christian Brauner */ > =C2=A0#include > =C2=A0#include > +#include > =C2=A0#include > =C2=A0#include > =C2=A0#include > @@ -174,7 +175,7 @@ static int nullfs_init_fs_context(struct > fs_context *fc) > =C2=A0{ > =C2=A0 fc->ops =3D &nullfs_fs_context_ops; > =C2=A0 fc->sb_flags |=3D SB_NOUSER; > - fc->s_iflags |=3D SB_I_NOEXEC | SB_I_NODEV; > + fc_init_pseudo(fc); > =C2=A0 return 0; > =C2=A0} > =C2=A0