Re: [RFC,PATCH] efi: Add support for a UEFI variable filesystem

[H. Peter Anvin]

Well, appending is an action, not really a property of the variable that sticks around, no?

Jeremy Kerr <jeremy.kerr@xxxxxxxxxxxxx> wrote:

>hi hpa,
>
>> Wouldn't that be better handled by O_APPEND?
>
>Possibly, but this then means that there are now two "interfaces" that
>specify the variable attributes.
>
>[Also, in that case we should support the same mechanism through
>open();
>llseek(0, SEEK_END) then, right?]
>
>In general, I think the attributes-in-a-header mechanism is a little
>tidier than providing them in the filename. For instance, finding if a
>variable exists from userspace will require iterating the dentries (or
>trying all combinations of variables), if the attributes aren't known.
>
>However, I'm happy to implement this if it's the generally-preferred
>solution.
>
>Cheers,
>
>
>Jeremy

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