From: Bernd Schubert <bschubert@ddn.com>
Subject: Re: some large dir testing results
Date: Fri, 21 Apr 2017 14:08:01 +0000
Message-ID: <1725105.ueF9SMfe6v@t1700bs>
References: <52B4B404-9FE0-4586-A02A-3451AA5BE089@gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Cc: linux-ext4 <linux-ext4@vger.kernel.org>,
        Andreas Dilger <adilger@dilger.ca>,
        Artem Blagodarenko <artem.blagodarenko@gmail.com>
To: Alexey Lyashkov <alexey.lyashkov@gmail.com>
Return-path: <linux-ext4-owner@vger.kernel.org>
Received: from legacy.ddn.com ([64.47.133.206]:50007 "EHLO legacy.ddn.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1040516AbdDUONk (ORCPT <rfc822;linux-ext4@vger.kernel.org>);
        Fri, 21 Apr 2017 10:13:40 -0400
In-Reply-To: <52B4B404-9FE0-4586-A02A-3451AA5BE089@gmail.com>
Content-Language: en-US
Content-ID: <DE732184B833614F842B7EE08035CF0B@ddn.com>
Sender: linux-ext4-owner@vger.kernel.org
List-ID: <linux-ext4.vger.kernel.org>
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