linux-kernel - Re: [PATCH] block: add command line partition parser

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Message-ID: <520C9235.5070104@gmail.com>
Date:	Thu, 15 Aug 2013 01:32:53 -0700
From:	Brian Norris <computersforpeace@...il.com>
To:	Caizhiyong <caizhiyong@...wei.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Karel Zak <kzak@...hat.com>,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Wanglin (Albert)" <albert.wanglin@...wei.com>,
	Artem Bityutskiy <dedekind1@...il.com>,
	Shmulik Ladkani <shmulik.ladkani@...il.com>,
	Huang Shijie <b32955@...escale.com>
Subject: Re: [PATCH] block: add command line partition parser

On 08/15/2013 12:45 AM, Caizhiyong wrote:
>> -----Original Message-----
>> From: Brian Norris [mailto:computersforpeace@...il.com]
...
>> On Thu, Aug 15, 2013 at 06:16:04AM +0000, Caizhiyong wrote:
>>> I want to use the MTD command line partition method on block devices (eMMC).
>>> It is very suitable for embedded systems. I think, in embedded system partition
>> method,
>>> if somebody need some feature on MTD device, he may be also need it on block device.
>>> so I fully functional reference MTD command line partition.
>>
>> I agree.
>>
>> I'm curious: have you seen any need for a similar arrangement via
>> device-tree? See, for example, drivers/mtd/ofpart.c.
>
> So far, I have no seen. We mainly use ARM. For ARM, device-tree is a new thing.

But device-tree is *the* thing for ARM going forward, and the kernel 
command line can get unwieldy (and beyond its limits) pretty quickly 
like this.

>>> I hope extend the flexibility to block device.
>>
>> Sure. I'll try to review the full patch soon and test out integrating
>> it with MTD.
>
> If there is no problem, I will send my next patch, mtd cmdline parts use cmdline-parser lib.

We will get some reviews on this soon (no time for me tonight). Do you 
already have a mtd patch? If so, you might as well post it for review as 
well.

Thanks,
Brian
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