From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965020AbVI0R2J (ORCPT ); Tue, 27 Sep 2005 13:28:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965023AbVI0R2J (ORCPT ); Tue, 27 Sep 2005 13:28:09 -0400 Received: from smtp004.mail.ukl.yahoo.com ([217.12.11.35]:25219 "HELO smtp004.mail.ukl.yahoo.com") by vger.kernel.org with SMTP id S965020AbVI0R2I (ORCPT ); Tue, 27 Sep 2005 13:28:08 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.it; h=Received:From:To:Subject:Date:User-Agent:Cc:References:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-Disposition:Message-Id; b=4+gFTOpsiB1WV9+/+HArCZRVu7CX8tfmN6bGKzXyjDSN5ZA72pJ0o8RJf24TtHibiO3EVTLF1LxWfYNQVyzCEsMZ0pcGiYBngpwKERCl3gTsk88q5Gh4qpJTcd2DE1p4qHIBEItWJp8mW2chdqtk5gAPmVTLMnt7a3Xahz0eBpM= ; From: Blaisorblade To: user-mode-linux-devel@lists.sourceforge.net Subject: Re: [uml-devel] Re: Writing on DM snapshots, and having no "mainstream" device (was: Re: Fw: [PATCH 1/7] Add dm-snapshot tutorial in Documentation) Date: Mon, 26 Sep 2005 17:03:01 +0200 User-Agent: KMail/1.8.2 Cc: Alasdair G Kergon , LKML , user-mode-linux-user@lists.sourceforge.net References: <20050920163433.6081be3b.akpm@osdl.org> <200509232211.32238.blaisorblade@yahoo.it> <20050923211953.GG18976@agk.surrey.redhat.com> In-Reply-To: <20050923211953.GG18976@agk.surrey.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200509261703.01567.blaisorblade@yahoo.it> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Friday 23 September 2005 23:19, Alasdair G Kergon wrote: > On Fri, Sep 23, 2005 at 10:11:31PM +0200, Blaisorblade wrote: > > you can create snapshots *WITHOUT* having a snapshot-origin device > Checking the code, yes you're correct. > When that LVM2 code was developed you'd get an oops but it's been fixed. You also "fixed" my assertion that snapshot-origin "base device" (parameter n.1) must be a DM device. Should I readd it too? IIRC I checked the code and it looks up the first param as a DM device, even because the list of snapshot is maintained for DM devices, not for general block devices. Right? > Alasdair -- Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!". Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894) http://www.user-mode-linux.org/~blaisorblade ___________________________________ Yahoo! Messenger: chiamate gratuite in tutto il mondo http://it.messenger.yahoo.com