From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EBF622F6599; Wed, 29 Oct 2025 06:18:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761718734; cv=none; b=p1vj7Tj0eTCbg7tnNpMmpzi0D1pdF+YIhHOYHeqvcsMpAfvMiOc4flEf1tWqV736QSqUawqXA+Yui2MiOkxdDPs7MXyCZh07uJDzDz8Rw/ibwRkKz1GcDNMWJTITKiGoxDdwQPg7wa6eR2hPywDNyy8pY1w2VGKuASFNbmGKBOg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761718734; c=relaxed/simple; bh=sNwUDE3GpjZgRRxK39FIaAoWLzOItBsyKBeQQ57qbFM=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=rVCPJKIC0KAdiCV+gYoDrqDGI6YvvsgFUEFSMIRgcNehTbIfVvspLXGW/uYec3BpstUldfxtymNQKkO97wRq1/SvjkcxGgIXXqnHJXtOXAJUY1nhGaTa4X16WjwmFQPGHjLOgdOM7Hx3kBiolDj22xPmiUtttY1wuB6YNbhzLZA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Rk+6qLII; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Rk+6qLII" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92541C4CEF7; Wed, 29 Oct 2025 06:18:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761718733; bh=sNwUDE3GpjZgRRxK39FIaAoWLzOItBsyKBeQQ57qbFM=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=Rk+6qLII7dhXKc90DR7x0yOEvODjOW/vGOClfgVuFKE3QWXEzLxdfMqDCeOj2aCQC Af7tFpcn1bA5YqBuP1vrNitK3sm7hW3KrYUEiQ3uUVlPgDiReiQJI+4PU5WchW6eKG /h6vzvh0y93wx4HdCp/Guuc6ZBoGwAMJ5nQwd9g2jF4j4MbCDnBXz63JsAb0YVujnH RPaDTnOSvsJkgMOZTcApLHzlog5soPtmuQGsnj9HF4Ql6o+0V30MAVN0BZ3P8otsW+ JyjsA3LXvuXmXdm+mAmvjC3CctniwC/hpFVHFmdzVIxYrqzOgGJawmQ9zcv0wDagWd vR1pv53KN6RGw== From: Andreas Hindborg To: Al Viro , linux-fsdevel@vger.kernel.org Cc: torvalds@linux-foundation.org, brauner@kernel.org, jack@suse.cz, raven@themaw.net, miklos@szeredi.hu, neil@brown.name, linux-mm@kvack.org, linux-efi@vger.kernel.org, ocfs2-devel@lists.linux.dev, kees@kernel.org, rostedt@goodmis.org, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, paul@paul-moore.com, casey@schaufler-ca.com, linuxppc-dev@lists.ozlabs.org, john.johansen@canonical.com, selinux@vger.kernel.org, borntraeger@linux.ibm.com, bpf@vger.kernel.org Subject: Re: [PATCH v2 10/50] configfs, securityfs: kill_litter_super() not needed In-Reply-To: <20251028004614.393374-11-viro@zeniv.linux.org.uk> References: <20251028004614.393374-1-viro@zeniv.linux.org.uk> <20251028004614.393374-11-viro@zeniv.linux.org.uk> Date: Wed, 29 Oct 2025 07:18:29 +0100 Message-ID: <87v7jyfcy2.fsf@t14s.mail-host-address-is-not-set> Precedence: bulk X-Mailing-List: linux-efi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain "Al Viro" writes: > These are guaranteed to be empty by the time they are shut down; > both are single-instance and there is an internal mount maintained > for as long as there is any contents. > > Both have that internal mount pinned by every object in root. > > In other words, kill_litter_super() boils down to kill_anon_super() > for those. > > Reviewed-by: Joel Becker > Signed-off-by: Al Viro Acked-by: Andreas Hindborg (configfs) Best regards, Andreas Hindborg