From owner-freebsd-hackers@FreeBSD.ORG  Wed Apr 18 06:02:25 2012
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 3DC02106566C;
	Wed, 18 Apr 2012 06:02:25 +0000 (UTC) (envelope-from avg@FreeBSD.org)
Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140])
	by mx1.freebsd.org (Postfix) with ESMTP id 2038C8FC08;
	Wed, 18 Apr 2012 06:02:23 +0000 (UTC)
Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua
	[212.40.38.100])
	by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id JAA07262;
	Wed, 18 Apr 2012 09:02:22 +0300 (EEST)
	(envelope-from avg@FreeBSD.org)
Received: from localhost ([127.0.0.1])
	by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD))
	id 1SKNyA-000Lme-Iz; Wed, 18 Apr 2012 09:02:22 +0300
Message-ID: <4F8E58EE.8080909@FreeBSD.org>
Date: Wed, 18 Apr 2012 09:02:22 +0300
From: Andriy Gapon <avg@FreeBSD.org>
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64;
	rv:10.0.3) Gecko/20120317 Thunderbird/10.0.3
MIME-Version: 1.0
To: John Baldwin <jhb@FreeBSD.org>
References: <4F8999D2.1080902@FreeBSD.org> <201204160956.21148.jhb@freebsd.org>
	<4F8DD0FB.7000907@FreeBSD.org> <201204171643.39447.jhb@freebsd.org>
In-Reply-To: <201204171643.39447.jhb@freebsd.org>
X-Enigmail-Version: 1.4
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Cc: freebsd-fs@FreeBSD.org, freebsd-hackers@FreeBSD.org
Subject: Re: [review request] zfsboot/zfsloader: support accessing
 filesystems within a pool
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 18 Apr 2012 06:02:25 -0000

on 17/04/2012 23:43 John Baldwin said the following:
> On Tuesday, April 17, 2012 4:22:19 pm Andriy Gapon wrote:
>> We already have a flag for ZFS (KARGS_FLAGS_ZFS, 0x4).  So the new flag could be
>> named something ZFS-specific (as silly as KARGS_FLAGS_ZFS2) or something more
>> general such as KARGS_FLAGS_32_BYTES meaning that the total size of arguments
>> area is 32 bytes (as opposed to 24 previously).
> 
> Does KARGS_FLAGS_GUID work?
> 

I think that's too terse, we already passed a pool guid via the existing
argument space.  So it should be something like KARGS_FLAGS_ZFS_FS_GUID or
KARGS_FLAGS_ZFS_DS_GUID (DS - dataset).

-- 
Andriy Gapon