From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7882CC282CF for ; Mon, 28 Jan 2019 14:26:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 541B42171F for ; Mon, 28 Jan 2019 14:26:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726719AbfA1O0B (ORCPT ); Mon, 28 Jan 2019 09:26:01 -0500 Received: from verein.lst.de ([213.95.11.211]:39912 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726266AbfA1O0B (ORCPT ); Mon, 28 Jan 2019 09:26:01 -0500 Received: by newverein.lst.de (Postfix, from userid 2407) id AED5268DCF; Mon, 28 Jan 2019 15:25:59 +0100 (CET) Date: Mon, 28 Jan 2019 15:25:59 +0100 From: Christoph Hellwig To: Jens Axboe Cc: linux-fsdevel@vger.kernel.org, linux-aio@kvack.org, linux-block@vger.kernel.org, hch@lst.de, jmoyer@redhat.com, avi@scylladb.com Subject: Re: [PATCH 01/18] fs: add an iopoll method to struct file_operations Message-ID: <20190128142559.GA9563@lst.de> References: <20190123153536.7081-1-axboe@kernel.dk> <20190123153536.7081-2-axboe@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190123153536.7081-2-axboe@kernel.dk> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Wed, Jan 23, 2019 at 08:35:12AM -0700, Jens Axboe wrote: > TODO: we can probably union ki_cookie with the existing hint and I/O > priority fields to avoid struct kiocb growth. Please kill this comment. While this should be doable the semantics would be a bit nasty, so unless we have to I'd rather skip this work for now.