From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mondschein.lichtvoll.de ([194.150.191.11]:34103 "EHLO mail.lichtvoll.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933756AbcBDKOT convert rfc822-to-8bit (ORCPT ); Thu, 4 Feb 2016 05:14:19 -0500 From: Martin Steigerwald To: Moviuro Cc: Qu Wenruo , linux-btrfs@vger.kernel.org Subject: Re: btrfs-progs and btrfs(8) inconsistencies Date: Thu, 04 Feb 2016 11:14:17 +0100 Message-ID: <1724218.nF6PTv1Cei@merkaba> In-Reply-To: References: <56B2AA51.80908@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Sender: linux-btrfs-owner@vger.kernel.org List-ID: Am Donnerstag, 4. Februar 2016, 09:57:54 CET schrieb Moviuro: > > Although personally I like to let all the backward compatibility > > things go hell, but that's definitely not how things work. :( > > > > 2) End-user taste. > > Some end-users like such info as feedback of success. > > Of course other users like it act as silent as possible. > > I'm pretty sure that's... not the case. Almost everything on GNU/Linux > is silent. cd(1) is silent, cp(1) is silent, rm(1)... > What they all have though is a -v|--verbose switch. The various mkfs commands are not. Not one of them I know of. Additionally each one gives a different output. pvcreate, vgcreate, lvcreate and as well as the remove commands and probably other LVM commands are not (no one could argue, that from their ideas they come from HP/UX, but thats a Unix as well): merkaba:~> lvcreate -L 1G -n bla sata Logical volume "bla" created. And I think, not testing right now, that also mdadm is not silent on creating a softraid. So while I agree with you that regular shell commands (coreutils, util-linux) are silent on success usually this does not appear to be the case with storage related commands in GNU/Linux. I donīt have a clear oppinion about it other than Iīd like to see some standard too. coreutils / util-linux both them to have some kind of standard, although not necessarily the same standard I bet. And I am not sure whether it is documented somewhere. -- Martin