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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 82688C2D0F4 for ; Thu, 2 Apr 2020 12:36:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5540420784 for ; Thu, 2 Apr 2020 12:36:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ddHX8DEp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388273AbgDBMg4 (ORCPT ); Thu, 2 Apr 2020 08:36:56 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:38377 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388192AbgDBMgz (ORCPT ); Thu, 2 Apr 2020 08:36:55 -0400 Received: by mail-wr1-f67.google.com with SMTP id c7so3991897wrx.5; Thu, 02 Apr 2020 05:36:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:reply-to:references:mime-version :content-disposition:in-reply-to:user-agent; bh=TWFDO6DAngHODy5evaPvvXD3sOorWkJ7n0UXEP154M0=; b=ddHX8DEpcZV+T3ir/gC7AVowRcQMFQWUFq5Lqx6N43Hkn5R8r8sb4A78K68gDoVerk KRJZHDTGf+Ux14Uw5b1IjPUyucJbv3b4ZRuRd6X+Uzg/Id8WT4cP+FROSH72wRIpmRZv /t4iw2MyQgzp4BWWZ0gvXeX6bspdHbLnF0iQCNkoADfTvF+qIOE8KizEKsijURh/7Nyo rTPYYA8a9Vggol50N/8fhysDJ4X1C3e9+d42N75VyTfmw1FdYY+i7uMtSUrBmPNpRVFG UnV4AbPa9zqWtA2Ehwsjdy+GPwhQTpbzEX/k3XlRl6fxPF3mUMKLpScNR4CLdUYuHF32 1FPQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:reply-to :references:mime-version:content-disposition:in-reply-to:user-agent; bh=TWFDO6DAngHODy5evaPvvXD3sOorWkJ7n0UXEP154M0=; b=WebyrBIJhaSIFFMbRdqtJrIuxbN6ORoMu1SAi9yYMAuL8/JmuzGYsk7b7ZXwrlrnxG MyKmvRI7Rs5DWow9cVMy5jaPnOP1MNuhRqJH2dOHYgoHQhYXnyregN8AuPuOvZPTazJx XazzD3jhNO8kuCh+u58/iQQGKHXv1Hl7r7LgwAN4rZLD1A5aVfyV5aIiMnjlhv5WbFDe h6ZlnPexUdiBqJn+0hmJ9mZ7QI65aY20vjrQcin4XDvwwlRKo5lxeqDam4QnjW7uLaPj QDwmaPP8O7VFUyfoc5osw6I8/8IMC2j8+syPLTUTiv5qpC/tpWUDu/NV/3LiDO1dq2pO a1tA== X-Gm-Message-State: AGi0PuZiSAYT4D9j3DYK6Q9jRgmq4ngsQCrKdhIh86Qb0nigGr5JUnuG vBZCHv4iUD4y0jMMBJiTI0XX52N5 X-Google-Smtp-Source: APiQypLkhVIKrkZjtZjgqYKQCN6D8CBcjcnSdlYyVaHVIYw6H0Jb7uSjCljcLHi5yc3kaYGm2lZtJQ== X-Received: by 2002:a05:6000:51:: with SMTP id k17mr3470982wrx.148.1585831012736; Thu, 02 Apr 2020 05:36:52 -0700 (PDT) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id o67sm7192806wmo.5.2020.04.02.05.36.51 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 02 Apr 2020 05:36:51 -0700 (PDT) Date: Thu, 2 Apr 2020 12:36:51 +0000 From: Wei Yang To: Matthew Wilcox Cc: Wei Yang , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 5/9] XArray: entry in last level is not expected to be a node Message-ID: <20200402123651.zyrqwmecnmcqaxs6@master> Reply-To: Wei Yang References: <20200330123643.17120-6-richard.weiyang@gmail.com> <20200330124842.GY22483@bombadil.infradead.org> <20200330141558.soeqhstone2liqud@master> <20200330142821.GD22483@bombadil.infradead.org> <20200331134208.gfkyym6n3gpgk3x3@master> <20200331164212.GC21484@bombadil.infradead.org> <20200331220440.roq4pv6wk7tq23gx@master> <20200331235912.GD21484@bombadil.infradead.org> <20200401221021.v6igvcpqyeuo2cws@master> <20200401222000.GK21484@bombadil.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200401222000.GK21484@bombadil.infradead.org> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 01, 2020 at 03:20:00PM -0700, Matthew Wilcox wrote: >On Wed, Apr 01, 2020 at 10:10:21PM +0000, Wei Yang wrote: >> On Tue, Mar 31, 2020 at 04:59:12PM -0700, Matthew Wilcox wrote: >> >On Tue, Mar 31, 2020 at 10:04:40PM +0000, Wei Yang wrote: >> >> cc -I. -I../../include -g -Og -Wall -D_LGPL_SOURCE -fsanitize=address -fsanitize=undefined -c -o main.o main.c >> >> In file included from ./linux/../../../../include/linux/radix-tree.h:15, >> >> from ./linux/radix-tree.h:5, >> >> from main.c:10: >> >> ./linux/rcupdate.h:5:10: fatal error: urcu.h: No such file or directory >> >> 5 | #include >> >> | ^~~~~~~~ >> >> compilation terminated. >> >> make: *** [: main.o] Error 1 >> > >> >Oh, you need liburcu installed. On Debian, that's liburcu-dev ... probably >> >liburcu-devel on Red Hat style distros. >> >> The bad news is I didn't find the package on Fedora. > >Really? https://www.google.com/search?q=fedora+liburcu has the -devel >package as the second hit from https://pkgs.org/search/?q=liburcu Thanks, I will try this. -- Wei Yang Help you, Help me