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Re: [PATCH] block: genhd: Add disk/partition specific uevent callbacks for partition info

From John Stultz <john.stultz@linaro.org>
Newsgroups linux.kernel
Subject Re: [PATCH] block: genhd: Add disk/partition specific uevent callbacks for partition info
Date 2015-10-31 01:10 +0100
Message-ID <qprU5-482-3@gated-at.bofh.it> (permalink)
References <qmrQB-Mf-5@gated-at.bofh.it>
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On Thu, Oct 22, 2015 at 10:27 AM, John Stultz <john.stultz@linaro.org> wrote:
> From: San Mehat <san@google.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 disk devices, a new uevent parameter 'NPARTS' specifies the number
> of partitions detected by the kernel. Partition devices get '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
>
> Thoughts and feedback would be greatly appreciated!

Ping? Any thoughts or objections to this?

thanks
-john
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[PATCH] block: genhd: Add disk/partition specific uevent callbacks for partition info John Stultz <john.stultz@linaro.org> - 2015-10-22 19:30 +0200
  Re: [PATCH] block: genhd: Add disk/partition specific uevent  callbacks for partition info John Stultz <john.stultz@linaro.org> - 2015-10-31 01:10 +0100
  Re: [PATCH] block: genhd: Add disk/partition specific uevent callbacks for partition info Jeff Moyer <jmoyer@redhat.com> - 2015-11-02 19:10 +0100
    Re: [PATCH] block: genhd: Add disk/partition specific uevent  callbacks for partition info John Stultz <john.stultz@linaro.org> - 2015-11-02 19:40 +0100

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