Switch device scanning logic in the ipr driver to use
the async scan API. This speeds up boot times, particularly
on large systems.
Signed-off-by: NBrian King <brking@linux.vnet.ibm.com>
Reviewed-by: Wen Xiong<wenxiong@linux.vnet.ibm.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>