From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lb0-f171.google.com ([209.85.217.171]:35508 "EHLO mail-lb0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750811AbcAOJ5L (ORCPT ); Fri, 15 Jan 2016 04:57:11 -0500 Received: by mail-lb0-f171.google.com with SMTP id bc4so311093019lbc.2 for ; Fri, 15 Jan 2016 01:57:11 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <5698B534.4040202@xoxy.net> References: <5698B534.4040202@xoxy.net> From: Timofey Titovets Date: Fri, 15 Jan 2016 12:56:30 +0300 Message-ID: Subject: Re: Copying between lzo compressed BtrFS's: de/re-compressing. To: Diagon Cc: linux-btrfs Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: 2016-01-15 12:00 GMT+03:00 Diagon : > I'm copying a large number of files between two lzo compressed BtrFS > filesystems on different drives mounted on the same machine. It appears > that the files are being de/re-compressed. Is there a way avoid this? If you just copy files, files will be decompressed while reading and recompressed while writing For avoiding this, you must use send receive feature -- Have a nice day, Timofey.