Messages in this thread | | | Date | Fri, 30 Oct 2015 17:09:14 -0700 | Subject | Re: [PATCH] block: genhd: Add disk/partition specific uevent callbacks for partition info | From | John Stultz <> |
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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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