nvme-pci: refactor nvme_unmap_data
Split out three helpers from nvme_unmap_data that will allow finer grained unwinding from nvme_map_data. Signed-off-by:Christoph Hellwig <hch@lst.de> Reviewed-by:
Keith Busch <kbusch@kernel.org> Reviewed-by:
Marc Orr <marcorr@google.com>
parent
bffcd507