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    SubjectRe: [PATCH 6/7] radixtree: introduce radix_tree_scan_hole()
    On Fri, Jul 20, 2007 at 10:48:59PM -0700, Andrew Morton wrote:
    > On Sat, 21 Jul 2007 12:43:06 +0800 Fengguang Wu <wfg@mail.ustc.edu.cn> wrote:
    >
    > > Introduce radix_tree_scan_hole(root, index, max_scan) to scan radix tree
    > > for the first hole. It will be used in interleaved readahead.
    >
    > If you're ever feeling fantastically bored, please consider updating the
    > userspace radix-tree test harness for this? Cook up a couple of testcases
    > for the new functionality?

    Thanks for the reminding. I'd add some test cases if I'm to optimize it.

    But this _dumb_ scan function is obviously correct(and won't be too slow on
    1M readahead). In fact it is pretty suitable for testing the optimized one ;)

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