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=-2.2 required=3.0 tests=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 4BE4FC433E0 for ; Thu, 18 Jun 2020 10:31:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2780021852 for ; Thu, 18 Jun 2020 10:31:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728374AbgFRKbs (ORCPT ); Thu, 18 Jun 2020 06:31:48 -0400 Received: from mx2.suse.de ([195.135.220.15]:57514 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726991AbgFRKbr (ORCPT ); Thu, 18 Jun 2020 06:31:47 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 5822BAB64; Thu, 18 Jun 2020 10:31:45 +0000 (UTC) Received: by ds.suse.cz (Postfix, from userid 10065) id 25FE6DA728; Thu, 18 Jun 2020 12:31:36 +0200 (CEST) Date: Thu, 18 Jun 2020 12:31:35 +0200 From: David Sterba To: DanglingPointer Cc: linux-btrfs@vger.kernel.org Subject: Re: btrfs-dedupe broken and unsupported but in official wiki Message-ID: <20200618103135.GU27795@twin.jikos.cz> Reply-To: dsterba@suse.cz Mail-Followup-To: dsterba@suse.cz, DanglingPointer , linux-btrfs@vger.kernel.org References: <16bc2efa-8e88-319f-e90e-cf8536460860@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <16bc2efa-8e88-319f-e90e-cf8536460860@gmail.com> User-Agent: Mutt/1.5.23.1-rc1 (2014-03-12) Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Thu, Jun 18, 2020 at 12:28:41PM +1000, DanglingPointer wrote: > btrfs-dedupe is currently broken and no longer actively supported. > > It no longer builds with current rustc v1.44.0 with cargo > > It is in the official btrfs Deduplication wiki: > >     https://btrfs.wiki.kernel.org/index.php/Deduplication > > There's no real active community and proper QA, reviewing and vetting. > > A poster in the issues area of the projects Github location stated that > even if fixed, it may not function correctly due to BTRFS having evolved > since the tool was designed created. > > There's just too many unknowns with this BTRFS specific dedupe tool. That's enough reason to remove the entry from the page. > People using your official wiki and trying to use that deduplication > program could inadvertently destroy their data through nativity or > accident.  Especially if they start trying to fix the code. > > I recommend you remove it from your website or at least put large > warnings there that it is broken (which looks ugly, I would rather only > stuff that works were there since it isn't your project anyway but some > 3rd party). With the 3rd party tools it's often leading to that situation and feedback like yours helps to keep the information up to date. I'll remove the tools that are known to be unmainained. Thanks.