From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mondschein.lichtvoll.de ([194.150.191.11]:47619 "EHLO mail.lichtvoll.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754528Ab3L3Lep (ORCPT ); Mon, 30 Dec 2013 06:34:45 -0500 From: Martin Steigerwald To: Liu Bo Cc: linux-btrfs@vger.kernel.org, Marcel Ritter , Christian Robert , "alanqk@gmail.com" Subject: Re: [PATCH] Btrfs-progs: add dedup subcommand Date: Mon, 30 Dec 2013 12:34:42 +0100 Message-ID: <10456749.stdChJhbpX@merkaba> In-Reply-To: <1388391175-29539-16-git-send-email-bo.li.liu@oracle.com> References: <1388391175-29539-1-git-send-email-bo.li.liu@oracle.com> <1388391175-29539-16-git-send-email-bo.li.liu@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: linux-btrfs-owner@vger.kernel.org List-ID: Am Montag, 30. Dezember 2013, 16:12:55 schrieben Sie: > This adds deduplication subcommands, 'btrfs dedup command ', > including enable/disable/on/off. Nice. Looking forward to test it. > - btrfs dedup enable > Create the dedup tree, and it's the very first step when you're going to use > the dedup feature. > > - btrfs dedup disable > Delete the dedup tree, after this we're not able to use dedup any more > unless you enable it again. So if deduplication has been switched on for a while, btrfs dedup disable will cause BTRFS to undo the deduplication (and thus require more space for the same amount of data)? Thanks and happy new year, -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7