Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752190AbcCYCI4 (ORCPT ); Thu, 24 Mar 2016 22:08:56 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39574 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751422AbcCYCIz (ORCPT ); Thu, 24 Mar 2016 22:08:55 -0400 Subject: Re: [PATCH 1/6] block: ensure we don't truncate top bits of the request command flags To: Jens Axboe , Christoph Hellwig References: <1458669320-6819-1-git-send-email-axboe@fb.com> <1458669320-6819-2-git-send-email-axboe@fb.com> <20160322185900.GB10113@infradead.org> <56F19672.7030508@fb.com> Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, martin.petersen@oracle.com From: Mike Christie Message-ID: <56F49DB5.6070303@redhat.com> Date: Thu, 24 Mar 2016 21:08:53 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <56F19672.7030508@fb.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 934 Lines: 20 On 03/22/2016 02:01 PM, Jens Axboe wrote: > On 03/22/2016 12:59 PM, Christoph Hellwig wrote: >> On Tue, Mar 22, 2016 at 11:55:15AM -0600, Jens Axboe wrote: >>> Some of the flags that we want to use from the make_request_fn path >>> are now larger than 32-bit, so change the functions involved to >>> accept an u64 instead of an unsigned int. >> >> When did we start doing that? We really should merge Mike's split >> of the operation style flags into the cmd_type before making things >> even worse in the flags area. > > Just now, and I ran into it last week as well, for a test patch on cfq > that passed in higher flags for get_request -> may_queue() as well. We > can do Mike's split first, I think it's a good cleanup. As a standalone > series, I needed it though. > Hey, did you want any changes on that patchset? I was going to repost it with the kbuild fix against linux-next, but I can make any changes you wanted first.