[OE-core] [PATCH V6 6/6] core-image-sato: support read-only rootfs

[ChenQi]

On 01/12/2013 07:32 AM, Saul Wold wrote:
> On 01/07/2013 06:22 PM, ChenQi wrote:
>> On 01/07/2013 06:30 PM, Otavio Salvador wrote:
>>> On Mon, Jan 7, 2013 at 1:06 AM, ChenQi <Qi.Chen at windriver.com> wrote:
>>>> On 01/07/2013 03:05 AM, Otavio Salvador wrote:
>>>>> On Sun, Jan 6, 2013 at 7:44 AM, <Qi.Chen at windriver.com> wrote:
>>>>>> From: Chen Qi <Qi.Chen at windriver.com>
>>>>>>
>>>>>> Support read-only rootfs by providing a specific conf file for
>>>>>> volatile
>>>>>> storage.
>>>>>>
>>>>>> [YOCTO #3406]
>>>>>>
>>>>>> Signed-off-by: Chen Qi <Qi.Chen at windriver.com>
>>>>> I prefer this solution than the previous one however why you don't 
>>>>> use
>>>>> a sato-volatile-conf package to provide this?
>>>> Because the there exists a one-to-one (or almost one-to-one)
>>>> correspondence
>>>> between the volatile conf file and the specific image.
>>>>
>>>> If there is a 'sato-volatile-conf' package, then there should be a
>>>> 'minimal-volatile-conf', and maybe a 'custom-volatile-conf' if 
>>>> users are
>>>> using a customized image.
>>>>
>>>> So I think it's simpler to let the image recipe provide the conf file.
>>>> The only thing we have to do, when adding read-only rootfs support to
>>>> some
>>>> image, is to add the conf file to SRC_URI and install it in
>>>> choose_volatile_conf.
>>> The problem of not using a package for it is regarding upgrades; it is
>>> not possible to upgrade the configuration file using the package
>>> manager. I know most systems using the read-only-fs will be small and
>>> do not use a package manager at all but some use cases will do (mine,
>>> in case).
>> Sounds reasonable.
>> I'll think about it :)
>>
>
> +1 for creating a *-volatile-conf package instead of having it buried 
> in the image recipe.
>
I'll rework on it and send out the patch again.

Thanks for your review :)

Cheers,
Chen Qi

> Sau!
>
>> Thanks,
>> Chen Qi
>>
>>> So I do believe we ought to have a one-to-one correspondence here.
>>>
>>> -- 
>>> Otavio Salvador                             O.S. Systems
>>> E-mail: otavio at ossystems.com.br  http://www.ossystems.com.br
>>> Mobile: +55 53 9981-7854 http://projetos.ossystems.com.br
>>>
>>>
>>
>>
>> _______________________________________________
>> Openembedded-core mailing list
>> Openembedded-core at lists.openembedded.org
>> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core
>>
>>
>