[U-Boot] [PATCH] ubifs: Allow ubifsmount volume reference by number

[Vikram Narayanan]

Hi Joe,

On 11/5/2012 10:19 PM, Joe Hershberger wrote:
> Hi Vikram,
>
> On Mon, Nov 5, 2012 at 10:43 AM, Vikram Narayanan<vikram186 at gmail.com>  wrote:
>>
>> On 11/2/2012 8:24 AM, Joe Hershberger wrote:
>>>
>>> UBI can mount volumes by name or number  The current code forces you
>>> to name the volume by prepending every name with "ubi:".
>>>
>>>   From fs/ubifs/super.c
>>>    * There are several ways to specify UBI volumes when mounting UBIFS:
>>>    * o ubiX_Y    - UBI device number X, volume Y;
>>>    * o ubiY      - UBI device number 0, volume Y;
>>>    * o ubiX:NAME - mount UBI device X, volume with name NAME;
>>>    * o ubi:NAME  - mount UBI device 0, volume with name NAME.
>>>
>>> Now any name passed in any of the above forms are allowed.
>>
>>
>> What exactly are we gaining from this naming compared to the default?
>> In what way the old naming affects the end user?
>
> The reason I needed this change is so that I could specify the volume
> by number in a script instead of being forced to know the name.  In
> Linux you can use the volume number using the format above (it's the
> same code).

If that is the case, then the one can create the partition using the 
below command,

 > ubi createvol <vol name>

<vol name> can be any of the 4 methods listed above.

and the prefix "ubi:" will be appended in the environment which is 
expected by kernel for mounting. Right?

~Vikram