From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 54ECFC44527 for ; Mon, 20 Jul 2026 09:45:56 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4h3bHQ3gtNz2xm3; Mon, 20 Jul 2026 19:45:54 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=115.124.30.112 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1784540754; cv=none; b=Dfhd6h9Kg3HTn/Z5Nhbon5B7mAnILd6CnbPEpCPKqaTlvPy3UwWU7+ZMc0VHFCTksgGcknA8PNhjCtVCDHNZtJFFMmJCFXfqcUikaAkym/lpyOW7MrVrYQ3Nior8qJnYxUAr17fGSS1PGPLDGJC7rjtj0fhiRp7zqKe/w/PanGkUADl1inlAKrWpYEHxRRezw+psSGqlZjVww/6sgFWxfsb/XK943rrCDj/BK8mwItOq8PEi8u2cw2vSiKuhuVcgIPgoXRrswrDyqMDaZx/tnQKJ8yPbSZDPf5n2rRkFe7cWqhv/htjIEl24XdwEFzYrciKN5I+R41X/yCGEF5f4HQ== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1784540754; c=relaxed/relaxed; bh=8MwbgXwZ3zMaHcDnJViuu8BS+HJvN2qfbWu5++MyV08=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=PajAi3VQCq082Sg4ftEkDaCfiCqVf9HGbAaoa+kvHRsG0VaIImFpaSkQBvjvTyM05X4Ouo2nX9eExkFlYnaSz/1mFFlfIYYoKCVWcsmS894w/L/XDa341V3vKde3JcucpdnMi+e08Xv9b6wLSweP1f7Z0QmT3VpMVbzydPViExihtDa1s5ljEZtu4iL+9RNio6VMDbEVrTMZ3w4rhVWuna8hdV3C3taHDs8X6eNdSGCiQUSFw/YJZ9egglNc3ThuTif+Os4d6CZqxrGPyRyOLVtgcg3cGjxWIItNigCwHyPpKf4hWo6OkGXdOKpc9T52bhd1jb1Tup0XpSe3LmrdLw== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; dkim=pass (1024-bit key; unprotected) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.a=rsa-sha256 header.s=default header.b=UCecfo/H; dkim-atps=neutral; spf=pass (client-ip=115.124.30.112; helo=out30-112.freemail.mail.aliyun.com; envelope-from=hsiangkao@linux.alibaba.com; receiver=lists.ozlabs.org) smtp.mailfrom=linux.alibaba.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.a=rsa-sha256 header.s=default header.b=UCecfo/H; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.alibaba.com (client-ip=115.124.30.112; helo=out30-112.freemail.mail.aliyun.com; envelope-from=hsiangkao@linux.alibaba.com; receiver=lists.ozlabs.org) Received: from out30-112.freemail.mail.aliyun.com (out30-112.freemail.mail.aliyun.com [115.124.30.112]) (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 4h3bHM6pp0z2xlZ for ; Mon, 20 Jul 2026 19:45:50 +1000 (AEST) DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1784540715; h=Message-ID:Date:MIME-Version:Subject:To:From:Content-Type; bh=8MwbgXwZ3zMaHcDnJViuu8BS+HJvN2qfbWu5++MyV08=; b=UCecfo/HhO4B50prlDgWLx+ciM/JCBu7bxkwE5EUXPCTxKleuwz5O1bwDDbDmJ+1zUNB49tE/Swm4rauIVCh+5Vcd8WkZGHJUeFjw/RvG37F5Estznp7+I2rkwydWh/2GeDIXqU3oBRaClp4Q75hFo+WJC0m46W/YlMAo8uNEgE= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R111e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033045133197;MF=hsiangkao@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0X7S8pq3_1784540712; Received: from 30.221.133.33(mailfrom:hsiangkao@linux.alibaba.com fp:SMTPD_---0X7S8pq3_1784540712 cluster:ay36) by smtp.aliyun-inc.com; Mon, 20 Jul 2026 17:45:13 +0800 Message-ID: Date: Mon, 20 Jul 2026 17:45:11 +0800 X-Mailing-List: linux-erofs@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4] erofs: accept source file descriptor via fsconfig To: Giuseppe Scrivano , linux-erofs@lists.ozlabs.org, Christian Brauner , Aleksa Sarai Cc: linux-fsdevel@vger.kernel.org References: <20260717134147.1602735-1-gscrivan@redhat.com> From: Gao Xiang In-Reply-To: <20260717134147.1602735-1-gscrivan@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2026/7/17 21:41, Giuseppe Scrivano wrote: > Allow userspace to pass an already-opened file descriptor as the mount > source instead of a path string. This is useful for tools that already > hold an fd to the image, such as composefs reusing an existing erofs > backing file. > > Signed-off-by: Giuseppe Scrivano > --- Looks good and tested: Reviewed-by: Gao Xiang I wonder if Aleksa and Christian have more comments since anyway it touches fc->source, but I will queue for the next cycle if there is no other opinion. Thanks, Gao Xiang