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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39E83C8300B for ; Thu, 30 Apr 2020 09:48:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 19875214D8 for ; Thu, 30 Apr 2020 09:48:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mykernel.net header.i=cgxu519@mykernel.net header.b="LPDSBD8l" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726420AbgD3Jsf (ORCPT ); Thu, 30 Apr 2020 05:48:35 -0400 Received: from sender2-of-o52.zoho.com.cn ([163.53.93.247]:21150 "EHLO sender2-of-o52.zoho.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726378AbgD3Jsf (ORCPT ); Thu, 30 Apr 2020 05:48:35 -0400 ARC-Seal: i=1; a=rsa-sha256; t=1588240100; cv=none; d=zoho.com.cn; s=zohoarc; b=K3ZBTitxVpt7auBadV3M910oD6eD4npNk91o6a1wl5PBohqX5hWIysc3/8/sv/KwCXIZJGL83V58+FdqZ8kv0TxqA9O5A7uIv1cdbULnwzV8p9I1ZUGi8oCJL8nm4Xd/XBdUeRbeildThRhBT+7rA9K8jr0htKopX1LJct/5Ik0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com.cn; s=zohoarc; t=1588240100; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:Reply-To:References:Subject:To; bh=dI2PKtESwDX/5rsemmkaZawtNKBmdrx+tGkn711BsHg=; b=lusnvvbDiEb94cFwBSu1bZeXJVix2IAA98xXQU0tajrbzxVFuQa2Bo9EYGJ6Rj75V5c299xwbDs/rPc+/q3iLMeAWH2pT3XGsWHxICF07wGUe8Np0y69wD2C1s/3jD8+6SX0SSSrdX2BNMYPv+/oUynUkqtgIife8wdTfxhsZj8= ARC-Authentication-Results: i=1; mx.zoho.com.cn; dkim=pass header.i=mykernel.net; spf=pass smtp.mailfrom=cgxu519@mykernel.net; dmarc=pass header.from= header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1588240100; s=zohomail; d=mykernel.net; i=cgxu519@mykernel.net; h=Date:From:Reply-To:To:Cc:Message-ID:In-Reply-To:References:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding; bh=dI2PKtESwDX/5rsemmkaZawtNKBmdrx+tGkn711BsHg=; b=LPDSBD8lFBd9nNWylrMsK2BrW9n+nillIyDn5CprUdPDA8QejYI9dFobjQ/IU2tU h7kx1ZGXXoAtkq10u0Cd9Bwrlx69n9czYTcD2GYfBiXzUPWqkZHIEwzJQu3ti8vkxYr WlL/Vwm5LuAgjKdq3Gb1ik/7ds/gTlWRJrHKOWhI= Received: from mail.baihui.com by mx.zoho.com.cn with SMTP id 1588240098059538.8860218617385; Thu, 30 Apr 2020 17:48:18 +0800 (CST) Date: Thu, 30 Apr 2020 17:48:18 +0800 From: Chengguang Xu Reply-To: cgxu519@mykernel.net To: "cgxu519" Cc: "linux-unionfs" , "fstests" , "amir73il" , "miklos" , "guaneryu" Message-ID: <171ca7ca308.ed1c416b1605.5683082771269054301@mykernel.net> In-Reply-To: <171ca5e76d2.11a198ab91526.7776557945472155733@mykernel.net> References: <171ca5e76d2.11a198ab91526.7776557945472155733@mykernel.net> Subject: =?UTF-8?Q?=E5=9B=9E=E5=A4=8D:system_hang_on_a_syncfs_?= =?UTF-8?Q?test_with_nfs=5Fexport_enabled?= MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Importance: Medium User-Agent: ZohoCN Mail X-Mailer: ZohoCN Mail Sender: fstests-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org ---- =E5=9C=A8 =E6=98=9F=E6=9C=9F=E5=9B=9B, 2020-04-30 17:15:20 Chengguang= Xu =E6=92=B0=E5=86=99 ---- > Hi=20 >=20 > I'm doing some tests for my new version of syncfs improvement patch and = I found an=20 > interesting problem=E2=80=8B when combining dirty data && godown && nfs_= export. >=20 > My expectation is Pass or Fail all tests listed below, Test2 looks a = bit strange and in my > opinion there is no strong connection between nfs_export/index and dirty= data. > Any idea? >=20 >=20 > Test env and step like below: >=20 > Test1: > Compile module with nfs_export enabled > Run xfstest generic/474 =3D=3D> PASS >=20 > Test2: > Compile module with nfs_export enabled > Comment syncfs step in the test > Run xfstest generic/474 =3D=3D> Hang >=20 > Test3: > Compile module with nfs_export disabled > Run xfstest generic/474 =3D=3D> PASS >=20 > Test4: > Compile module with nfs_export disabled > Comment syncfs step in the test > Run xfstest generic/474 =3D=3D> FAIL >=20 Additional information: Overlayfs version: latest next branch of miklos tree (5.7-rc2) Underlying fs: xfs Thanks, cgxu