linux-kernel - Re: [RESEND][PATCH v2] block: partition: Add partition specific uevent callbacks for partition info

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Message-ID: <CAGXu5jJExhUXsTjzVXEhg=bCjOUWmCur-CzcCXoX86YLGBng5Q@mail.gmail.com>
Date:	Mon, 25 Jan 2016 14:50:19 -0800
From:	Kees Cook <keescook@...omium.org>
To:	Jens Axboe <axboe@...nel.dk>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	John Stultz <john.stultz@...aro.org>,
	lkml <linux-kernel@...r.kernel.org>, San Mehat <san@...gle.com>,
	Rom Lemarchand <romlem@...gle.com>,
	Android Kernel Team <kernel-team@...roid.com>,
	Jeff Moyer <jmoyer@...hat.com>, harald@...hat.com,
	Dima Zavin <dima@...roid.com>, Kay Sievers <kay@...y.org>
Subject: Re: [RESEND][PATCH v2] block: partition: Add partition specific
 uevent callbacks for partition info

On Fri, Dec 18, 2015 at 8:07 PM, John Stultz <john.stultz@...aro.org> wrote:
> On Thu, Dec 10, 2015 at 12:00 PM, John Stultz <john.stultz@...aro.org> wrote:
>> From: San Mehat <san@...gle.com>
>>
>> This patch has been carried in the Android tree for quite some
>> time and is one of the few patches required to get a mainline
>> kernel up and running with an exsiting Android userspace. So I
>> wanted to submit it for review and consideration if it should
>> be merged.
>>
>> For partitions, add new uevent parameters 'PARTN' which
>> specifies the partitions index in the table, and 'PARTNAME',
>> which specifies PARTNAME specifices the partition name of a
>> partition device.
>>
>> Android's userspace uses this for creating device node links from the
>> partition name and number: ie:
>>         /dev/block/platform/soc/by-name/system
>> or
>>         /dev/block/platform/soc/by-num/p1
>>
>> One can see its usage here:
>> https://android.googlesource.com/platform/system/core/+/master/init/devices.cpp#355
>> and
>> https://android.googlesource.com/platform/system/core/+/master/init/devices.cpp#494
>>
>> Cc: Jens Axboe <axboe@...nel.dk>
>> Cc: Rom Lemarchand <romlem@...gle.com>
>> Cc: Android Kernel Team <kernel-team@...roid.com>
>> Cc: Jeff Moyer <jmoyer@...hat.com>
>> Cc: harald@...hat.com
>> Cc: kay@...hat.com
>> Signed-off-by: Dima Zavin <dima@...roid.com>
>> [Dropped NPARTS and reworded commit message for context]
>> Signed-off-by: John Stultz <john.stultz@...aro.org>
>
>
> Ping? Any thoughts on this? Am I missing someone on the CC list I
> should be including?
>
> thanks
> -john
> --
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Hi Jens,

Are you able to take this into your tree? Should akpm carry it instead?

Thanks!

-Kees

-- 
Kees Cook
Chrome OS & Brillo Security