From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com ([209.132.183.28]:52542 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933251AbdKPJnl (ORCPT ); Thu, 16 Nov 2017 04:43:41 -0500 Subject: Re: Ideas to reuse filesystem's checksum to enhance dm-raid1/10/5/6? To: Qu Wenruo , Nikolay Borisov , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org Cc: "linux-btrfs@vger.kernel.org" References: <477d2d2b-3893-50c1-5946-076670a03f2d@gmx.com> <7ed134fc-1616-a1ab-6701-a917af0522da@suse.com> <5357fd4a-51b1-ebfb-27de-4d022d9749c0@gmx.com> <4df8d248-5def-9d29-89eb-7d9b977f089e@suse.com> <354402cd-587d-72d8-aaa1-87a1b5c9f03c@gmx.com> From: Zdenek Kabelac Message-ID: <6e0f8a37-c3f8-61f0-d51d-01b72c3c65b7@redhat.com> Date: Thu, 16 Nov 2017 10:43:37 +0100 MIME-Version: 1.0 In-Reply-To: <354402cd-587d-72d8-aaa1-87a1b5c9f03c@gmx.com> Content-Type: text/plain; charset=utf-8; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: Dne 16.11.2017 v 09:08 Qu Wenruo napsal(a): > > >>>>>> >>>>> [What we have] >>>>> The nearest infrastructure I found in kernel is bio_integrity_payload. >>>>> Hi We already have dm-integrity target upstream. What's missing in this target ? Regards Zdenek