PCI/P2PDMA: Introduce pci_p2pdma_unmap_sg()

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Add pci_p2pdma_unmap_sg() to the two places that call pci_p2pdma_map_sg().

This is a prep patch to introduce correct mappings for p2pdma transactions
that go through the root complex.

Link: https://lore.kernel.org/r/20190730163545.4915-10-logang@deltatee.com
Link: https://lore.kernel.org/r/20190812173048.9186-10-logang@deltatee.com
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>

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Logan Gunthorpe 2019-08-12 11:30:43 -06:00 • committed by Bjorn Helgaas

parent 2b9f4bb2a4

commit 7f73eac3a7

4 changed files with 38 additions and 5 deletions

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6

drivers/infiniband/core/rw.c

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6

drivers/nvme/host/pci.c

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18

drivers/pci/p2pdma.c

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13

include/linux/pci-p2pdma.h

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