crush: clarify numrep vs endpos
Pass numrep (the width of the result) separately from the number of results we want *this* iteration. This makes things less awkward when we do a recursive call (for chooseleaf) and want only one item. Reflects ceph.git commit 1b567ee08972f268c11b43fc881e57b5984dd08b. Signed-off-by: NIlya Dryomov <ilya.dryomov@inktank.com> Reviewed-by: NSage Weil <sage@inktank.com>
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