Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 12 Sep 2002 14:40:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 12 Sep 2002 14:40:18 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.104]:31419 "EHLO e4.ny.us.ibm.com") by vger.kernel.org with ESMTP id ; Thu, 12 Sep 2002 14:40:17 -0400 Message-ID: <3D80DEF4.1080906@watson.ibm.com> Date: Thu, 12 Sep 2002 14:37:40 -0400 From: Shailabh Nagar User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.9) Gecko/20020408 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Benjamin LaHaise CC: Linux Aio , Linux Kernel Subject: Re: [PATCH] 2.5 port of aio-20020619 for raw devices References: <3D80DB14.2040809@watson.ibm.com> <20020912143540.J18217@redhat.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1249 Lines: 36 Benjamin LaHaise wrote: > On Thu, Sep 12, 2002 at 02:21:08PM -0400, Shailabh Nagar wrote: > >>I just did a rough port of the raw device part of the aio-20020619.diff >>over to 2.5.32 using the 2.5 aio API published so far. The changeset >>comments are below. The patch hasn't been tested. Its only guaranteed >>to compile. >> >>I'd like to reiterate that this is not a fork of aio kernel code >>development or any attempt to question Ben's role as maintainer ! This >>was only an exercise in porting to enable a comparison of the older >>(2.4) approach with whatever's coming soon. >> >>Comments are invited on all aspects of the design and implementation. > > > The generic aio <-> kvec functions were found to not work well, and > the chunking code needs to actually pipeline data for decent io thruput. > Short story: the raw device code must be rewritten using the dio code > that akpm introduced. > > -ben > -- So does the kvec structure go away (and some variant of dio get used) ? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/