From: "H. Peter Anvin" <hpa@zytor.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: kvm-devel <kvm-devel@lists.sourceforge.net>,
virtualization@lists.linux-foundation.org
Subject: Re: [PATCH] virtio_blk: Dont waste major numbers
Date: Thu, 20 Mar 2008 10:36:53 -0700 [thread overview]
Message-ID: <47E2A0B5.8090707@zytor.com> (raw)
In-Reply-To: <200801311553.53653.borntraeger@de.ibm.com>
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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next prev parent reply other threads:[~2008-03-20 17:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-31 14:53 [PATCH] virtio_blk: Dont waste major numbers Christian Borntraeger
2008-03-20 17:36 ` H. Peter Anvin [this message]
[not found] <200801311553.53653.borntraeger__25311.9055800655$1201791369$gmane$org@de.ibm.com>
[not found] ` <200801311553.53653.borntraeger__25311.9055800655$1201791369$gmane$org-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2008-01-31 21:50 ` Anthony Liguori
[not found] ` <47A242B1.40709-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2008-02-01 7:33 ` Christian Borntraeger
2008-03-20 17:38 ` H. Peter Anvin
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