Date: Mon, 13 Oct 2008 13:27:51 +0200
From: Jens Axboe <jens.axboe@oracle.com>
To: Tejun Heo <tj@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org,
       Andrew Morton <akpm@linux-foundation.org>,
       Thomas Gleixner <tglx@linutronix.de>, Yinghai Lu <yinghai@kernel.org>
Subject: Re: [PATCH] block: add partition attribute for partition number
Message-ID: <20081013112751.GI19428@kernel.dk>
References: <20081010203043.GA11798@elte.hu> <20081010204015.GA15668@elte.hu> <20081010205642.GA28840@elte.hu> <alpine.LFD.2.00.0810101408320.3503@nehalem.linux-foundation.org> <48EFF84B.5060108@kernel.org> <48F00476.6030108@zytor.com> <48F3113F.7090905@kernel.org> <48F32BF6.8010109@kernel.org>
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On Mon, Oct 13 2008, Tejun Heo wrote:
> With extended devt, finding out the partition number becomes a bit
> more challenging as subtracting the minor number from that of the
> parent device doesn't work anymore.  The only thing left is parsing
> the partition name which is brittle and not exactly universal (some
> have '-' between the device name and partition number while others
> don't).  This patch introduced partition attribute which contains the
> partition number of the device.  This should make finding partitions
> and its index easier.
> 
> This problem and solution were suggested by H. Peter Anvin.

Applied to for-linus

-- 
Jens Axboe

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