ubifs robustness with early power cut warning

[Richard Weinberger]

Am Montag, 2. Oktober 2017, 18:14:28 CEST schrieb Doug Crawford:
> I think my use case might be a little different. This 500 millisecond
> early power down warning is intended to be recoverable if the power is
> restored in that period.  The effect I am looking for is that any new
> fsync or sync commands made during this 500 ms window will pause or
> block, but if the power is restored then the sync will be successful.

Hmm, if I understand your correctly, all you need is freeze/thaw support in 
UBIFS.
Upon power-loss you freeze the filesystem and if power recovers you can thaw 
it.

Does this information help? :-)

Thanks,
//richard

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