From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out30-100.freemail.mail.aliyun.com (out30-100.freemail.mail.aliyun.com [115.124.30.100]) (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 8C488363C75 for ; Fri, 17 Jul 2026 03:42:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.100 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784259767; cv=none; b=Iy+VSnSc/o4XanK2bH2TFuzMqftYmnooMSav8Qkh/fhMOnsrerioTcOh5QD/iy4jCw9HIwVb/aqCaTYdLi6KulOjwcG2ZOVRFFei3roWRTSrFH7TAx4rUfGziUDWNIMr/GV5nC5+XgItaov1pPO3TInjB3ox2uyMgAOg7ul3Um4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784259767; c=relaxed/simple; bh=NrTd09WQ0Zfo1XlbtvAWTsKgz96bNdFvyTZaJ/pdt+U=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=gkt8jcMv78bxJHjl4J9GiNjzCWPx7vf5v2uJn8oTKY9Pba+Zv+yqo1uoIw14Icvh6KZ62gs0IAqohct0xrsirBoF0v6qJrhW1HV7ev/tSq5ds995i8TQTT0+kY5S21H4d2CkmC6WHW2PqTE1gED/oXPGT61Ihi6PmNLwveFxnl0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=qmFOxNhx; arc=none smtp.client-ip=115.124.30.100 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="qmFOxNhx" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1784259760; h=Message-ID:Date:MIME-Version:Subject:To:From:Content-Type; bh=5DvvIMn/V+Lz9bnP310CzHmXUZlWMDUr4Pw3ahRkInA=; b=qmFOxNhxT+YOnD15x3Yut5u9DfgRSoH9y7RmDqaBDSxcnahEAOSDx5X4ABaLoNPw5vmvEg+2rof8yBagX07NjFVnSS5TReFLsTTghIlvDlywAxfMNDj4lLLXigWS7yeX7d2RKty0pWyFbTesWkptKBiNCND4CaLeqyw/iFni6YI= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R121e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033037009110;MF=hsiangkao@linux.alibaba.com;NM=1;PH=DS;RN=4;SR=0;TI=SMTPD_---0X7G2Tnf_1784259760; Received: from 30.221.133.5(mailfrom:hsiangkao@linux.alibaba.com fp:SMTPD_---0X7G2Tnf_1784259760 cluster:ay36) by smtp.aliyun-inc.com; Fri, 17 Jul 2026 11:42:40 +0800 Message-ID: Date: Fri, 17 Jul 2026 11:42:39 +0800 Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3] erofs: accept source file descriptor via fsconfig To: Giuseppe Scrivano , linux-erofs@lists.ozlabs.org Cc: cyphar@cyphar.com, linux-fsdevel@vger.kernel.org References: <20260714154917.489993-1-gscrivan@redhat.com> From: Gao Xiang In-Reply-To: <20260714154917.489993-1-gscrivan@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Giuseppe, On 2026/7/14 23:48, 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 Use the current erofs-utils testsuite, the following tests seems skipped incorrectly. [Error 22] Invalid argument SKIP: erofs/008 [Error 22] Invalid argument SKIP: erofs/009 [Error 22] Invalid argument SKIP: erofs/010 [Error 22] Invalid argument SKIP: erofs/011 [Error 22] Invalid argument SKIP: erofs/017 [Error 22] Invalid argument SKIP: erofs/018 And the kernel message shows: [ 116.477816] erofs: source is unsupported ... git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs-utils.git -b experimental-tests $ sudo make check Thanks, Gao Xiang