Re: [U-Boot] [PATCH v2 0/4] Add atomic write to fw_setenv for environments on filesystems

[Alex Kiernan]

On Fri, Mar 9, 2018 at 12:30 PM, Wolfgang Denk  wrote:
> Dear Alex,
>
> In message <1520597582-12979-1-git-send-email-alex.kier...@gmail.com> you 
> wrote:
>>
>> For environments stored on filesystems where you can't have a redundant
>> configuration, rather than just over-writing the existing environment
>> in fw_setenv, do the tradtional create temporary file, rename, sync,
>> sync directory dance to achieve ACID semantics when writing through
>> fw_setenv.
>
> I isagree with the statement that we _can't have_ redundant

Yeah... sorry, sloppy wording on my part.

> environments in a file system.  It may not be supported by the
> current implementation, but there is actually nothing that would
> prevent us to come up with more powerful code that supports exactly
> such a feature.
>
> [This does not mean that I disagree with your patch - on contary, I
> think it's good.]
>

Thanks!

-- 
Alex Kiernan
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Re: [U-Boot] [PATCH v2 0/4] Add atomic write to fw_setenv for environments on filesystems

[Wolfgang Denk]

Dear Alex,

In message <1520597582-12979-1-git-send-email-alex.kier...@gmail.com> you wrote:
> 
> For environments stored on filesystems where you can't have a redundant
> configuration, rather than just over-writing the existing environment
> in fw_setenv, do the tradtional create temporary file, rename, sync,
> sync directory dance to achieve ACID semantics when writing through
> fw_setenv.

I isagree with the statement that we _can't have_ redundant
environments in a file system.  It may not be supported by the
current implementation, but there is actually nothing that would
prevent us to come up with more powerful code that supports exactly
such a feature.

[This does not mean that I disagree with your patch - on contary, I
think it's good.]

Best regards,

Wolfgang Denk

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