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To: Steven Dake <sdake@mvista.com>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: New model for managing dev_t's for partitionable block devices 
In-Reply-To: Your message of "Tue, 28 Jan 2003 10:20:31 MST."
             <3E36BBDF.4090104@mvista.com> 
From: Valdis.Kletnieks@vt.edu
References: <3F61ABC3.1080502@tin.it>
            <3E36BBDF.4090104@mvista.com>
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On Tue, 28 Jan 2003 10:20:31 MST, Steven Dake <sdake@mvista.com>  said:

> Each physical disk would be assigned a minor number in a group of 
> majors.  So assume a major was chosen of 150, 151, 152, 153, there would 
> be a total of 1024 physical disks that could be mapped.  Then the device 
> mapper code could be used to provide partition devices in another 
> major/group of majors.

This sounds suspiciously like the already-existing device mapper stuff
used by LVM2.  Maybe all that's needed is to add a hook to add a device
mapper entry for each partition?
-- 
				Valdis Kletnieks
				Computer Systems Senior Engineer
				Virginia Tech


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