From: Kevin Corry <kevcorry@us.ibm.com>
To: "Kevin P. Fleming" <kpfleming@backtobasicsmgmt.com>
Subject: Re: [Patch 3/5] dm: make v4 of the ioctl interface the default
Date: Tue, 25 Nov 2003 11:28:04 -0600
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Cc: Joe Thornber <thornber@sistina.com>,
       Linux Mailing List <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@zip.com.au>, Linus Torvalds <torvalds@osdl.org>
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On Tuesday 25 November 2003 11:16, Kevin P. Fleming wrote:
> Kevin Corry wrote:
>
>   	---help---
> -	  Recent tools use a new version of the ioctl interface, only
> -          select this option if you intend using such tools.
> +	  Recent tools use this new version of the ioctl interface. Only
> +	  select N for this option if you use out-of-date tools that weren't
> +	  compiled for this interface (e.g. LVM2 prior to v2.00.00).
>
> Actually, I don't think LVM2 uses the device mapper ioctls at all; it
> use libdevmapper which calls the ioctls on its behalf.

True. I imagine Joe will know the exact version numbers of LVM2 and 
libdevmapper that require the old interface. I believe the version I 
mentioned is from the appropriate time-frame, though.

-- 
Kevin Corry
kevcorry@us.ibm.com
http://evms.sourceforge.net/

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