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Subject: Re: [PATCH] register_blkdev
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Christoph Hellwig <hch@infradead.org>
Cc: Joel Becker <Joel.Becker@oracle.com>, Greg KH <greg@kroah.com>,
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On Fri, 2003-03-07 at 22:57, Christoph Hellwig wrote:
> > 	This is essential.  There are installations using >1000 disks
> 
> and?  we still have tons of free block majors..

You can throw 65536 volumes onto a single S/390 box. Going to 32bit
dev_t sorts out a lot of the problems people have with major numbering
and allocation of devices sensibly, it means I can finally get the
space to do stuff like supporting session mounting on cd too

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