From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-fsdevel-owner@vger.kernel.org>
Received: from verein.lst.de ([213.95.11.211]:57946 "EHLO newverein.lst.de"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1730382AbeLPQoy (ORCPT <rfc822;linux-fsdevel@vger.kernel.org>);
        Sun, 16 Dec 2018 11:44:54 -0500
Date: Sun, 16 Dec 2018 17:44:53 +0100
From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>, linux-block@vger.kernel.org,
        linux-fsdevel@vger.kernel.org, linux-aio@kvack.org,
        jmoyer@redhat.com, clm@fb.com
Subject: Re: [PATCHSET v8] Support for polled and buffered aio (and more)
Message-ID: <20181216164453.GA14147@lst.de>
References: <20181213175645.22181-1-axboe@kernel.dk> <20181216163405.GA13234@lst.de> <2c38c940-414f-519a-c938-8d94c249e477@kernel.dk> <20181216164221.GA13930@lst.de> <df8e29e3-cee5-de6a-0d6d-f880d9503ca5@kernel.dk>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <df8e29e3-cee5-de6a-0d6d-f880d9503ca5@kernel.dk>
Sender: linux-fsdevel-owner@vger.kernel.org
List-ID: <linux-fsdevel.vger.kernel.org>

On Sun, Dec 16, 2018 at 09:43:55AM -0700, Jens Axboe wrote:
> On 12/16/18 9:42 AM, Christoph Hellwig wrote:
> > On Sun, Dec 16, 2018 at 09:37:25AM -0700, Jens Axboe wrote:
> >> On 12/16/18 9:34 AM, Christoph Hellwig wrote:
> >>> Any chance you could send the series that just optimize the existing
> >>> aio code and don't need new interface as an initial prep series?
> >>>
> >>> Batching things up should make it a little easier to review, and with
> >>> a little luck those "simple" patches might still make 4.21.  Make
> >>> sure to include Al on the series, please.
> >>
> >> Sure, I can do that. So basically all of the optimizations, but none of
> >> the features (like polling)? Would require serious refactoring though,
> >> but not impossible.
> >>
> >> Or do you mean everything up to polled IO for old style aio, just
> >> excluding the new ring interfaces?
> > 
> > No, just the various little optimizations and cleanups towards the
> > beginning of the series.  Shouldn't really require any refactoring.
> 
> OK, that'd be trivial enough. I'll do that and send it out separately.

That would be roughly patches 6-12 in the current series as far as I can
tell.