From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752348AbbCXKzd (ORCPT ); Tue, 24 Mar 2015 06:55:33 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:44632 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751643AbbCXKzb (ORCPT ); Tue, 24 Mar 2015 06:55:31 -0400 MIME-Version: 1.0 In-Reply-To: <20150324103043.GB7002@lst.de> References: <1427012095-4095-1-git-send-email-ming.lei@canonical.com> <1427012095-4095-3-git-send-email-ming.lei@canonical.com> <20150324103043.GB7002@lst.de> Date: Tue, 24 Mar 2015 18:55:29 +0800 Message-ID: Subject: Re: [PATCH 2/3] block: loop: unify interface type of lo_send and lo_receive From: Ming Lei To: Christoph Hellwig Cc: Jens Axboe , Linux Kernel Mailing List , Al Viro , Maxim Patlasov Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 24, 2015 at 6:30 PM, Christoph Hellwig wrote: > This just adds code for no obvious benefit.. If you see the patch 3, you will find lo_rw() can handle transfer page for both read and write, so there is benefit. Thanks,