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From: Luca Berra <bluca@comedia.it>
To: linux-raid@vger.kernel.org
Subject: Re: MDP major registration
Date: Wed, 26 Mar 2008 07:52:32 +0100	[thread overview]
Message-ID: <20080326065232.GA21970@percy.comedia.it> (raw)
In-Reply-To: <47E92EE2.1080108@free.fr>

On Tue, Mar 25, 2008 at 05:57:06PM +0100, Hubert Verstraete wrote:
>Neil Brown wrote:
>>On Thursday March 13, hubskml@free.fr wrote:
>>>Neil,
>>>
>>>What is the status of the major for the partitionable arrays ?
>>
>>automatically determined at runtime.
>>
>>>I see that it is 254, which is in the experimental section, according to 
>>>the official Linux device list (http://www.lanana.org/docs/device-list/).
>>>Will there be an official registration ?
>>
>>No. Is there any need?
>
>I got this question in mind when I saw that mkfs.xfs source code was 
>referring to the MD major to tune its parameters on an MD device, while 
>it ignores MDP devices.
>If there were reasons to register MD, wouldn't they apply to MDP too ?

i don't think so:
bluca@percy ~ $ grep mdp /proc/devices
253 mdp

L.


-- 
Luca Berra -- bluca@comedia.it
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  reply	other threads:[~2008-03-26  6:52 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-13 10:46 MDP major registration Hubert Verstraete
2008-03-25  5:37 ` Neil Brown
2008-03-25 16:57   ` Hubert Verstraete
2008-03-26  6:52     ` Luca Berra [this message]
2008-03-26 15:54       ` Bill Davidsen
2008-03-26 17:50         ` Hubert Verstraete
2008-03-26 18:45           ` [PATCH] XFS tuning on software RAID5 partitionable array; was: " Hubert Verstraete
2008-05-16 10:35             ` [PATCH] XFS tuning on software RAID5 partitionable array; error in xfsprogs 2.9.8 Hubert Verstraete
2008-05-16 11:30               ` Andi Kleen
2008-03-26 19:18           ` MDP major registration Bill Davidsen

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