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    SubjectRe: [PATCH 5/8] block: improve automatic native capacity unlocking
    From: Tejun Heo <>
    Date: Sat, 15 May 2010 20:09:31 +0200

    > Currently, native capacity unlocking is initiated only when a
    > recognized partition extends beyond the end of the disk. However,
    > there are several other unhandled cases where truncated capacity can
    > lead to misdetection of partitions.
    > * Partition table is fully beyond EOD.
    > * Partition table is partially beyond EOD (daisy chained ones).
    > * Recognized partition starts beyond EOD.
    > This patch updates generic partition check code such that all the
    > above three cases are handled too. For the first two, @state tracks
    > whether low level partition check code tried to read beyond EOD during
    > partition scan and triggers native capacity unlocking accordingly.
    > The third is now handled similarly to the original unlocking case.
    > Signed-off-by: Tejun Heo <>

    Acked-by: David S. Miller <>

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