nvme-pci: do not build a scatterlist to map metadata

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We always have exactly one segment, so we can simply call dma_map_bvec.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>

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Christoph Hellwig 2019-03-03 08:19:18 -07:00

parent b15c592de3

commit 783b94bd92

1 changed files with 10 additions and 13 deletions

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23

drivers/nvme/host/pci.c

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