linux-kernel - Re: [PATCH 2/3] mtd: cmdlinepart: sort the unsorted partitions

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Message-ID: <1346421558.9709.51.camel@sauron.fi.intel.com>
Date:	Fri, 31 Aug 2012 16:59:18 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Huang Shijie <shijie8@...il.com>
Cc:	dwmw2@...radead.org, linux-mtd@...ts.infradead.org,
	linux-kernel@...r.kernel.org, shmulik.ladkani@...il.com
Subject: Re: [PATCH 2/3] mtd: cmdlinepart: sort the unsorted partitions

On Sun, 2012-08-26 at 13:21 -0400, Huang Shijie wrote:
> Assume we have a 1GB(8Gb) nand chip.
> It is legit if we set the partitions as the following:
>     gpmi-nand:1g@...m(rootfs),100m@0(boot),100m@...m(kernel)
> 
> But the current code can not parse out any partition with this
> cmdline.
> 
> This patch sorts the unsorted partitions by the @offset.
> For there are maybe only several partitions, i use the simple
> Bubble sort algorithm.
> 
> Signed-off-by: Huang Shijie <shijie8@...il.com>

I still cannot find time to actually think about this carefully, but the
commit message does not sound convincing, it does not explain why
sorting is the right way to fix the issue, and what would be the
alternatives. It actually also does not explain why exactly we currently
cannot parse the example string.

-- 
Best Regards,
Artem Bityutskiy

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