From: Klaus Birkelund Jensen Date: Tue, 30 Apr 2019 16:53:29 +0000 (+0200) Subject: nvme-pci: fix psdt field for single segment sgls X-Git-Tag: v5.2-rc1~22^2~38^2~8 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=049bf37262c61c99f45438910711b55054b24838;p=thirdparty%2Flinux.git 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 Signed-off-by: Christoph Hellwig --- diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index c1eecde6b853c..efc1da56521cd 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;