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Commit 049bf372 authored by Klaus Birkelund Jensen's avatar Klaus Birkelund Jensen Committed by Christoph Hellwig
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nvme-pci: fix psdt field for single segment sgls 



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

Fixes: 29791057 ("nvme-pci: optimize mapping single segment requests using SGLs")
Signed-off-by: default avatarKlaus Birkelund Jensen <klaus.jensen@cnexlabs.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 592b6e7b

drivers/nvme/host/pci.c

+1 −0
Original line number Diff line number Diff line
@@ -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;