Comment 88 for bug 1581326

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Chaitra P B (chaitra-basappa) wrote :

Joseph,
 Patch is not accepted by upstream and below is the comment from one of the reviewer,

There seems to be problem with this patch. bdi_unregister() is also called by blk_cleanup_queue(), and both that and del_gendisk() may be called by cleanup_mapped_device(). This results in a panic when bdi_unregister() is called for the second time.