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authorKlaus Birkelund Jensen2019-04-30 18:53:29 +0200
committerChristoph Hellwig2019-05-01 09:17:16 -0400
commit049bf37262c61c99f45438910711b55054b24838 (patch)
treee73a2513af5de451359b6c84a0e55a32fd6a7d93 /drivers/nvme
parent592b6e7b0226b198c12439065f725be00c92d559 (diff)
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: 297910571f08 ("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>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/pci.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index c1eecde6b853..efc1da56521c 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -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;