From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-fsdevel-owner@vger.kernel.org>
Received: from mga01.intel.com ([192.55.52.88]:17372 "EHLO mga01.intel.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1752171AbdARV5V (ORCPT <rfc822;linux-fsdevel@vger.kernel.org>);
        Wed, 18 Jan 2017 16:57:21 -0500
From: "Verma, Vishal L" <vishal.l.verma@intel.com>
To: "Williams, Dan J" <dan.j.williams@intel.com>,
        "darrick.wong@oracle.com" <darrick.wong@oracle.com>
CC: "Vyacheslav.Dubeyko@wdc.com" <Vyacheslav.Dubeyko@wdc.com>,
        "jack@suse.cz" <jack@suse.cz>,
        "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
        "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
        "lsf-pc@lists.linux-foundation.org"
        <lsf-pc@lists.linux-foundation.org>,
        "linux-nvdimm@ml01.01.org" <linux-nvdimm@ml01.01.org>,
        "slava@dubeyko.com" <slava@dubeyko.com>
Subject: Re: [Lsf-pc] [LSF/MM TOPIC] Badblocks checking/representation in
 filesystems
Date: Wed, 18 Jan 2017 21:56:58 +0000
Message-ID: <1484776549.4358.33.camel@intel.com>
References: <at1mp6pou4lenesjdgh22k4p.1484345585589@email.android.com>
         <b9rbflutjt10mb4ofherta8j.1484345610771@email.android.com>
         <SN2PR04MB2191756EABCB0E9DAA3B5328887B0@SN2PR04MB2191.namprd04.prod.outlook.com>
         <20170114004910.GA4880@omniknight.lm.intel.com>
         <SN2PR04MB2191A6EDB7203AF86600FD25887D0@SN2PR04MB2191.namprd04.prod.outlook.com>
         <20170117143703.GP2517@quack2.suse.cz>
         <20170117221421.GC4880@omniknight.lm.intel.com>
         <20170118101641.GD24789@quack2.suse.cz>
         <x49r3406r2i.fsf@segfault.boston.devel.redhat.com>
         <20170118210241.GE10498@birch.djwong.org>
         <CAPcyv4hd7bpCa7d9msX0Y8gLz7WsqXT3VExQwwLuAcsmMxVTPg@mail.gmail.com>
In-Reply-To: <CAPcyv4hd7bpCa7d9msX0Y8gLz7WsqXT3VExQwwLuAcsmMxVTPg@mail.gmail.com>
Content-Language: en-US
Content-Type: text/plain; charset="utf-8"
Content-ID: <FC561BF92EC8E74C91A7AC64554B421E@intel.com>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
Sender: linux-fsdevel-owner@vger.kernel.org
List-ID: <linux-fsdevel.vger.kernel.org>
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