From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zytor.com (terminus.zytor.com [198.137.202.136]) (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 79710800; Sun, 25 Jan 2026 00:07:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.136 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769299656; cv=none; b=I8C1B4cx9nlVQPlYVNVtVw2XNxg3XgSD68bvvU4jEQxf7ZSbKJ4ahHHEjhGeWIuL9kKlA2Pt1S9EI3wNzd2DcaL9enXfEWFxoOdtQJINOMcAKKQCwdK1sAXDWgXdf0qNJC5U4D2EJEZHGWL5Q1DbWpJxe5g9UuPrXn65o8hTbQs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769299656; c=relaxed/simple; bh=+tOkZl+hajFy2IyHZVk/tQjQOqPGD5xu064kuzDG1fQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=S1lJ4Nmzq2wnsXUbPa8mPKblAxj26R7rV31xfpMTN23pQU4I7Ci0wDKeoIupacDpRIX+2Qsdx2W3PtSd09I+rkDwAlMZh6V1WqQAgL51ydjhp165D0qwdtVOia/gToFeJSDFVO8rGxCnbj+pSiTgzy9AGT+NahNySez+BS+hLvg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zytor.com; spf=pass smtp.mailfrom=zytor.com; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b=zD8l8cdF; arc=none smtp.client-ip=198.137.202.136 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zytor.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=zytor.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="zD8l8cdF" Received: from [172.27.2.41] (c-76-133-66-138.hsd1.ca.comcast.net [76.133.66.138]) (authenticated bits=0) by mail.zytor.com (8.18.1/8.17.1) with ESMTPSA id 60P07AD22255121 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO); Sat, 24 Jan 2026 16:07:19 -0800 DKIM-Filter: OpenDKIM Filter v2.11.0 mail.zytor.com 60P07AD22255121 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2026012301; t=1769299641; bh=G94dzgEw769bp3wZyzddFA+BeL3JlACtdz53VsC6rWs=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=zD8l8cdFdLCx6hk63kn9HwKfv4z0HXRimDqkRQGfuUfpucZnR+idj4WW5eTuz/kTZ HgDcMdxrgRP1iFc59RBNyXbQ+40PFWK1Gtx6RLnvXGArZqKSUFQ2iDX6rXPB7tvYZi M/lsf/3qQiB7pxWvRPZYvgt7fzE1Q33rX8sAVnjkEBSfqefFwaemjnDP9hCjOm0aZp 87FVEQwqSiiX9hU7bIGLK+eWgBOD1IM++FIkI+W44ztSQwAf0tKPISnIAN4Y7ovwn8 wgUT0ktcmNcar9tDA2ygzUZFLfghZzIvMdK8OFtSt9gTrTJtF6EIvKpdEdsVMhRS8u Bk5+gcdGp83Ug== Message-ID: <5d8f1f63-879d-483a-b8be-2512794e655d@zytor.com> Date: Sat, 24 Jan 2026 16:07:04 -0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/3] Add the ability to mount filesystems during initramfs expansion To: Askar Safin Cc: brauner@kernel.org, corbet@lwn.net, jack@suse.cz, lennart@poettering.net, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, systemd-devel@lists.freedesktop.org, viro@zeniv.linux.org.uk References: <20260124003939.426931-1-hpa@zytor.com> <20260124174150.974899-1-safinaskar@gmail.com> Content-Language: en-US, sv-SE From: "H. Peter Anvin" In-Reply-To: <20260124174150.974899-1-safinaskar@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2026-01-24 09:41, Askar Safin wrote: > "H. Peter Anvin" : >> At Plumber's 2024, Lennart Poettering of the systemd project requested >> the ability to overmount the rootfs with a separate tmpfs before >> initramfs expansion, so the populated tmpfs can be unmounted. > > This is already solved by [1] and [2]. They are in next. > > [1] https://lore.kernel.org/all/20251229-work-empty-namespace-v1-0-bfb24c7b061f@kernel.org/ > [2] https://lore.kernel.org/all/20260112-work-immutable-rootfs-v2-0-88dd1c34a204@kernel.org/ > Just to make it clear: unless someone feels there is value in this feature regardless of the above, there is no need for this patchset. -hpa