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    SubjectRe: [PATCH v5 09/12] block: Rework bio_pair_split()
    Hello,

    On Mon, Aug 06, 2012 at 03:08:38PM -0700, Kent Overstreet wrote:
    > This changes bio_pair_split() to use the new bio_split() underneath,
    > which gets rid of the single page bio limitation. The various callers
    > are fixed up for the slightly different struct bio_pair, and to remove
    > the unnecessary checks.
    >
    > v5: Move extern declaration to proper patch, per Boaz

    I don't get this. Why can't bio_split() chain the split to the
    original one thus make bio_pair unnecessary? It's not like completing
    the split bio with the same end_io ever makes sense.

    Thanks.

    --
    tejun


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