From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: generating a Linux WWN? Date: Sat, 06 Oct 2007 19:48:36 -0700 (PDT) Message-ID: <20071006.194836.66070475.davem@davemloft.net> References: <1191679870.3338.17.camel@localhost.localdomain> <47079D64.3070000@garzik.org> <1191683096.3338.29.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:42949 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751332AbXJGCsh (ORCPT ); Sat, 6 Oct 2007 22:48:37 -0400 In-Reply-To: <1191683096.3338.29.camel@localhost.localdomain> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: James.Bottomley@SteelEye.com Cc: jeff@garzik.org, ltuikov@yahoo.com, lydianconcepts@gmail.com, mdr@sgi.com, James.Smart@emulex.com, linux-scsi@vger.kernel.org From: James Bottomley Date: Sat, 06 Oct 2007 10:04:55 -0500 > If you remember Rusty's guide to interfaces, this is a level 14 easy to > misuse interface: "The obvious use is wrong"; since the obvious use is > to put it in module parameters and have the problem go away (for > now ...). Actually, I could be harsher and say it's level 17 "There's > no correct use" because statistically every time you use it, you expose > yourself to potential duplicate WWNs. Every time you use GIT you expose yourself to potential duplicate SHAs which will corrupt the tree. This argument borders on lunacy, give it up :-)