From mboxrd@z Thu Jan  1 00:00:00 1970
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH] virtio_blk: Dont waste major numbers
Date: Thu, 20 Mar 2008 10:36:53 -0700
Message-ID: <47E2A0B5.8090707@zytor.com>
References: <200801311553.53653.borntraeger@de.ibm.com>
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Cc: kvm-devel <kvm-devel@lists.sourceforge.net>,
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To: Christian Borntraeger <borntraeger@de.ibm.com>
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Christian Borntraeger wrote:
> Rusty,
> 
> currently virtio_blk uses one major number per device. While this works
> quite well on most systems it is wasteful and will exhaust major numbers
> on larger installations.
> 
> This patch allocates a major number on init and will use 16 minor numbers
> for each disk. That will allow ~64k virtio_blk disks.
> 

Would it be too much to allow 64 minors (63 partitions)?  I have run out 
of 16, myself, but never 64.

	-hpa

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