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    SubjectRe: [PATCH] UBI: allow atomic updates to sychronously erase old PEB
    Just for 'blocking', or also all the 'erase's.

    cheers,
    Joel Reardon

    On Fri, 30 Mar 2012, Artem Bityutskiy wrote:

    > On Fri, 2012-03-30 at 14:20 +0200, Joel Reardon wrote:
    > > Hey,
    > >
    > > If there's a power cut after the new version is written and the old one is
    > > erased, then it is my understanding that while remounting UBI will detect
    > > that the old version is not needed and put it on the erase queue.
    >
    > Yes.
    >
    > > The
    > > higher layer that issued the call to update the block will have to do a
    > > blocking clear of the ubi erase queue when remounting after unsafely
    > > unmounting.
    >
    > Yes. You can do this if the security is enabled, I think, using
    > 'ubi_sync()'.
    >
    > I did not have time to look at your patches, but one quick comment is
    > that we usually call the argument which controls whether the function
    > has to wait for the operation to complete or not 'sync', could you
    > please follow this unwritten convention as well?
    >
    > --
    > Best Regards,
    > Artem Bityutskiy
    >


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