linux-kernel - Re: [MMC Stack] Partition limitation question

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Message-ID: <20080405130102.08c9be93@mjolnir.drzeus.cx>
Date:	Sat, 5 Apr 2008 13:01:02 +0200
From:	Pierre Ossman <drzeus-list@...eus.cx>
To:	Rogier Stam <r_stam3108@...oo.com>,
	Russell King <rmk@....linux.org.uk>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [MMC Stack] Partition limitation question

On Fri, 21 Mar 2008 04:38:04 -0700 (PDT)
Rogier Stam <r_stam3108@...oo.com> wrote:

> Hi,
> 
> I had a short question about the limitation of max. 8
> partitions in the MMC stack. Before the kernel was
> limited to 256 minor numbers, but I believe this is no
> longer the case (65536 if I recall correctly). Is
> there a way around this 8 partition limitation?
> 

Who in their right mind has more than 8 partitions? :)

> I understand that simply renumbering all minor numbers
> is not really a preferred situation as it would
> require everyone to recreate their device nodes.

Indeed. And some embedded systems might not be able to use 32-bit
device nodes. Russell, do you have any insight to share?

Rgds

-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  PulseAudio, core developer          http://pulseaudio.org
  rdesktop, core developer          http://www.rdesktop.org
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