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Alex Elder authored
Currently, rbd_img_obj_parent_read_full() assumes the incoming object request contains bio data. But if a layered image is part of a multi-layer stack of images it will result in read requests of page data to parent images. This is handling the same kind of issue as was resolved by this commit: 5b2ab72d rbd: support reading parent page data This resolves: http://tracker.ceph.com/issues/5027Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
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