linux-kernel - Re: [PATCH] drivers: memory_open cleanup - lookup minor device number from devlist

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Date:	Mon, 20 Apr 2009 21:27:39 -0300
From:	Adriano dos Santos Fernandes <adrianosf@....com.br>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	mingo@...e.hu, venkatesh.pallipadi@...el.com,
	suresh.b.siddha@...el.com, arjan@...ux.intel.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers: memory_open cleanup - lookup minor device number
 from devlist

Andrew Morton wrote:
> On Mon, 20 Apr 2009 01:05:23 -0300
> Adriano dos Santos Fernandes <adrianosf@....com.br> wrote:
>
>   
>> memory_open ignores devlist and does a switch for each item, duplicating 
>> code
>> and conditional definitions.
>>
>> Clean it adding backing_dev_info to devlist and use it to lookup for the 
>> minor
>> device.
>>     
>
> The patch looks reasonable, however your email client replaced all tabs
> with spaces and I didn't really feel like fixing it all up.
>   
I'm not having success to let Thunderbird make it right. I put the exact 
same patch attached now.

> I wonder what the lock_kernel() calls in memory_open() are doing.
Hmm, not something I can say while submitting my first patch. ;-)


Adriano


View attachment "memory_open.patch" of type "text/x-patch" (3847 bytes)