From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754342AbdERHN6 (ORCPT ); Thu, 18 May 2017 03:13:58 -0400 Received: from verein.lst.de ([213.95.11.211]:57072 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753792AbdERHNy (ORCPT ); Thu, 18 May 2017 03:13:54 -0400 Date: Thu, 18 May 2017 09:13:52 +0200 From: Christoph Hellwig To: Joe Perches Cc: Christoph Hellwig , Andy Shevchenko , Amir Goldstein , linux-fsdevel@vger.kernel.org, Shaohua Li , Dan Williams , David Howells , Steven Whitehouse , Mimi Zohar , linux-xfs@vger.kernel.org, linux-raid@vger.kernel.org, linux-nvdimm@ml01.01.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 03/23] uuid: remove uuid_be defintions from the uapi header Message-ID: <20170518071352.GA515@lst.de> References: <20170518062705.25902-1-hch@lst.de> <20170518062705.25902-4-hch@lst.de> <1495091565.31562.28.camel@perches.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1495091565.31562.28.camel@perches.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 18, 2017 at 12:12:45AM -0700, Joe Perches wrote: > On Thu, 2017-05-18 at 08:26 +0200, Christoph Hellwig wrote: > > We don't use uuid_be and the UUID_BE constants in any uapi headers, so make > > them private to the kernel. > > On the assumption that no user program uses them? > Is that a safe assumption? It's not a userspace ABI, so by defintion it does not break an existing user program. If someone was using it they should be using uuid_t from libuuid instead, as that gives them the routines to deal with it.