From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([59.151.112.132]:64648 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750808AbcCMFQp (ORCPT ); Sun, 13 Mar 2016 00:16:45 -0500 Subject: Re: [PATCH v7 01/20] btrfs: dedup: Introduce dedup framework and its header To: Qu Wenruo , , NeilBrown , , , Wang Xiaoguang References: <1455774178-3595-1-git-send-email-quwenruo@cn.fujitsu.com> <1455774178-3595-2-git-send-email-quwenruo@cn.fujitsu.com> <87io0vjq9x.fsf@notabene.neil.brown.name> <56E0C668.4020406@cn.fujitsu.com> <20160311114305.GQ18908@twin.jikos.cz> <56E3D070.3020005@gmx.com> From: Qu Wenruo Message-ID: <56E4F7AB.4010608@cn.fujitsu.com> Date: Sun, 13 Mar 2016 13:16:27 +0800 MIME-Version: 1.0 In-Reply-To: <56E3D070.3020005@gmx.com> Content-Type: text/plain; charset="utf-8"; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: Qu Wenruo wrote on 2016/03/12 16:16 +0800: > > > On 03/11/2016 07:43 PM, David Sterba wrote: >> On Thu, Mar 10, 2016 at 08:57:12AM +0800, Qu Wenruo wrote: >>>> The ioctl FIDEDUPERANGE and the tool duperemove both use "dupe". >>>> It would be nice if we could be consistent and all use the same >>>> abbreviation. >>> >>> Yes, current kernel VFS level offline dedup uses the name "dedupe". >>> But on the other hand, ZFS uses the name "dedup" for their online dedup. >>> >>> And personally speaking, I'd like some difference to distinguish inline >>> dedup and offline dedup. >>> In that case, the extra "e" seems somewhat useful. >>> With "e", it's intended for offline use. Without "e", it's intended for >>> online use. >> >> Such difference is very subtle and I think we should stick to just one >> spelling, which shall be 'dedupe'. > > OK, I'll change them to 'dedupe' in next bug fix version. > > Thanks, > Qu > > BTW, I am always interested in, why de-duplication can be shorted as 'dedupe'. I didn't see any 'e' in the whole word "DUPlication". Or it's an abbreviation of "DUPlicatE" instead of "DUPlication"? Thanks, Qu