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nvme-pci: fix psdt field for single segment sgls

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The shortcut for single segment SGL requests did not set the PSDT field
to mark the request as using SGLs.

Fixes: 297910571f ("nvme-pci: optimize mapping single segment requests using SGLs")
Signed-off-by: Klaus Birkelund Jensen <klaus.jensen@cnexlabs.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Klaus Birkelund Jensen 2019-04-30 18:53:29 +02:00 committed by Christoph Hellwig
parent 592b6e7b02
commit 049bf37262
1 changed files with 1 additions and 0 deletions
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drivers/nvme/host/pci.c
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@ -830,6 +830,7 @@ static blk_status_t nvme_setup_sgl_simple(struct nvme_dev *dev,
return BLK_STS_RESOURCE;
iod->dma_len = bv->bv_len;
cmnd->flags = NVME_CMD_SGL_METABUF;
cmnd->dptr.sgl.addr = cpu_to_le64(iod->first_dma);
cmnd->dptr.sgl.length = cpu_to_le32(iod->dma_len);
cmnd->dptr.sgl.type = NVME_SGL_FMT_DATA_DESC << 4;