From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932342Ab2DTOsx (ORCPT ); Fri, 20 Apr 2012 10:48:53 -0400 Received: from relay.parallels.com ([195.214.232.42]:54544 "EHLO relay.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932197Ab2DTOsp (ORCPT ); Fri, 20 Apr 2012 10:48:45 -0400 Message-ID: <4F917751.9040600@parallels.com> Date: Fri, 20 Apr 2012 18:48:49 +0400 From: "Maxim V. Patlasov" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc14 Lightning/1.0b3pre Thunderbird/3.1.10 MIME-Version: 1.0 To: Dave Kleikamp CC: "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Zach Brown Subject: Re: [RFC PATCH v2 15/21] loop: use aio to perform io on the underlying file References: <1333122228-13633-1-git-send-email-dave.kleikamp@oracle.com> <1333122228-13633-16-git-send-email-dave.kleikamp@oracle.com> In-Reply-To: <1333122228-13633-16-git-send-email-dave.kleikamp@oracle.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/30/2012 07:43 PM, Dave Kleikamp wrote: > From: Zach Brown > > This uses the new kernel aio interface to process loopback IO by > submitting concurrent direct aio. Previously loop's IO was serialized > by synchronous processing in a thread. > The patch ignores REQ_FLUSH bit of bi_rw. Is it simply overlook? Thanks, Maxim