linux-kernel - Re: [PATCH] block: support embedded device command line partition

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Message-Id: <20130805152206.76462cc4a42e51b16a0532f1@linux-foundation.org>
Date:	Mon, 5 Aug 2013 15:22:06 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Caizhiyong <caizhiyong@...wei.com>
Cc:	Karel Zak <kzak@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Wanglin (Albert)" <albert.wanglin@...wei.com>,
	Quyaxin <quyaxin@...wei.com>, Jens Axboe <axboe@...nel.dk>,
	David Woodhouse <dwmw2@...radead.org>,
	Marius Groeger <mag@...go.de>
Subject: Re: [PATCH] block: support embedded device command line partition

On Sat, 3 Aug 2013 09:57:04 +0000 Caizhiyong <caizhiyong@...wei.com> wrote:

> From: Cai Zhiyong <caizhiyong@...wei.com>
> 
> Read block device partition table from command line.
> The partition used for fixed block device (eMMC) embedded device.
> It is no MBR, save storage space. Bootloader can be easily accessed by
> absolute address of data on the block device.
> Users can easily change the partition.
> 
> This code reference MTD partition, source "drivers/mtd/cmdlinepart.c"
> About the partition verbose reference "Documentation/block/cmdline-partition.txt"
> 

Seems OK to me.

The obvious question is: can we consolidate this with
drivers/mtd/cmdlinepart.c in some fashion so the kernel doesn't have
two parsers which do the same thing?

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