From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161556Ab2GLRuZ (ORCPT ); Thu, 12 Jul 2012 13:50:25 -0400 Received: from bedivere.hansenpartnership.com ([66.63.167.143]:54707 "EHLO bedivere.hansenpartnership.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932690Ab2GLRuU (ORCPT ); Thu, 12 Jul 2012 13:50:20 -0400 Message-ID: <1342115416.3021.60.camel@dabdike.int.hansenpartnership.com> Subject: Re: [PATCH 1/5] aio: Export symbols and struct kiocb_batch for in kernel aio usage From: James Bottomley To: Asias He Cc: linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, Benjamin LaHaise , Alexander Viro , "Michael S. Tsirkin" , linux-aio@kvack.org, linux-fsdevel@vger.kernel.org Date: Thu, 12 Jul 2012 18:50:16 +0100 In-Reply-To: <1342107302-28116-2-git-send-email-asias@redhat.com> References: <1342107302-28116-1-git-send-email-asias@redhat.com> <1342107302-28116-2-git-send-email-asias@redhat.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2012-07-12 at 23:35 +0800, Asias He wrote: > This is useful for people who want to use aio in kernel, e.g. vhost-blk. > > Signed-off-by: Asias He > --- > fs/aio.c | 37 ++++++++++++++++++------------------- > include/linux/aio.h | 21 +++++++++++++++++++++ > 2 files changed, 39 insertions(+), 19 deletions(-) Um, I think you don't quite understand how aio in the kernel would work; it's not as simple as just exporting the interfaces. There's already a (very long) patch set from oracle to do this so loop can use aio: http://marc.info/?l=linux-fsdevel&m=133312234313122 James