Re: [PATCH v2] mmc : general purpose partition support.

From: NamJae Jeon
Date: Thu Sep 29 2011 - 04:35:18 EST


2011/9/29 Linus Walleij <linus.walleij@xxxxxxxxxx>:
> On Wed, Sep 28, 2011 at 3:50 PM, NamJae Jeon <linkinjeon@xxxxxxxxx> wrote:
>> 2011/9/28 Linus Walleij <linus.walleij@xxxxxxxxxx>:
>>> On Sat, Sep 24, 2011 at 7:07 AM, Namjae Jeon <linkinjeon@xxxxxxxxx> wrote:
>>>>
>>>> Â Â Â Â Â179 64 Â1024 mmcblk0boot1
>>>> Â Â Â Â Â179 32 Â1024 mmcblk0boot0
>>>
>>> Does this mean that each GP-partition can contain an MBR and thus several
>>> subpartitions so we get things like:
>>>
>>> mmcblk0gp1p1, mmcblk0gp1p2...
>>>
>> Yes, We can divide dos partitions(included MBR) using fdisk like your
>> words(mmcblk0gp1p1, mmcblk0gp1p2...)
>
> OK that seems logical.
>
> If this goes in, make a mental note to patch udev default rules
> too, because currently they look like this:
>
> rules.d/60-persistent-storage.rules:KERNEL=="mmcblk[0-9]",
> SUBSYSTEMS=="mmc", ATTRS{name}=="?*", ATTRS{serial}=="?*",
> ENV{ID_NAME}="$attr{name}", ENV{ID_SERIAL}="$attr{serial}",
> SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}"
> rules.d/60-persistent-storage.rules:KERNEL=="mmcblk[0-9]p[0-9]",
> ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*",
> SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}-part%n"
>
> (I guess Android also has this kind of rule baked into its "big init"
> process that handles also what udev normally takes care of.)
>
> Anyway:
> Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Thanks Linus~
I will modify a little code to improve the readability.
When I post patch v3 again, plz ack one more.
>
> Yours,
> Linus Walleij
>
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