nvme-pci: don't simple map sgl when sgls are disabled

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According to the module parameter description for sgl_threshold,
a value of 0 means that SGLs are disabled.

If SGLs are disabled, we should respect that, even for the case
where the request is made up of a single physical segment.

Fixes: 297910571f ("nvme-pci: optimize mapping single segment requests using SGLs")
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

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Niklas Cassel 2021-04-09 20:12:55 +02:00 • committed by Christoph Hellwig

parent ccc1003b5b

commit e51183be1f

1 changed files with 1 additions and 1 deletions

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drivers/nvme/host/pci.c

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