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=-2.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS autolearn=ham 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 435A9C43441 for ; Sat, 10 Nov 2018 07:23:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0086B20825 for ; Sat, 10 Nov 2018 07:23:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="BkGH1uHP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0086B20825 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-btrfs-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728808AbeKJRH3 (ORCPT ); Sat, 10 Nov 2018 12:07:29 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:43644 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728644AbeKJRH3 (ORCPT ); Sat, 10 Nov 2018 12:07:29 -0500 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id wAA6pofJ095646; Sat, 10 Nov 2018 07:23:25 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : references : from : cc : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2018-07-02; bh=5m13PRrlbIYbY2SirD7U6nWVn3N/s3ykibMvtRH9afo=; b=BkGH1uHPOSd8lh/teimaHGcTegLuMZJq1QX5P2+Sk4psjlPr47m98rM1tBCMAWqOo5X2 IXV3ULtX1ws6y1PQdZKUrANj4RWiwtKHy8i3yImDLyHuTJ6Sc4eDoC0RX4z9nmnF43SG G0vnx5k3z1UMh/AHy0S/NoJu+GzdBHZixdqAbOMiEMGnvyQUDFpgAD31CmzWvIoRb9M/ dL13+JEbqVRrvwngidhjicvegW5hk1wpoxFnbibHPlAFaDJogUQU7bTE72bSAEd9kNC/ p9vG9H6jf2r2PnXv/vOQahJSK0mOmuO4YZF41xqqf+H2Idj6AUrNshi0MH9swk6dZ+4S Uw== Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp2130.oracle.com with ESMTP id 2nnprtr9qh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 10 Nov 2018 07:23:25 +0000 Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id wAA7NOLg026866 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 10 Nov 2018 07:23:25 GMT Received: from abhmp0020.oracle.com (abhmp0020.oracle.com [141.146.116.26]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id wAA7NNUV005165; Sat, 10 Nov 2018 07:23:24 GMT Received: from [172.20.10.2] (/183.90.37.41) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 09 Nov 2018 23:23:23 -0800 Subject: Re: [PATCH v15.1 00/13] Btrfs In-band De-duplication To: Lu Fengqi References: <20181106064122.6154-1-lufq.fnst@cn.fujitsu.com> From: Anand Jain Cc: linux-btrfs@vger.kernel.org Message-ID: <14b9135d-c83f-f481-ef84-cfb19b9b34a6@oracle.com> Date: Sat, 10 Nov 2018 15:21:47 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20181106064122.6154-1-lufq.fnst@cn.fujitsu.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9072 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=846 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1811100045 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org De-duplication must also let use cases to enable de-duplication on per subvolume level, using the subvolume properties. Similar to compression and future-encryption. Thanks, Anand