From: Mauricio Faria de Oliveira <mauricfo@xxxxxxxxxxxxxxxxxx> Subject: nvme: use the DMA_ATTR_NO_WARN attribute Use the DMA_ATTR_NO_WARN attribute for the dma_map_sg() call of the nvme driver that returns BLK_MQ_RQ_QUEUE_BUSY (not for BLK_MQ_RQ_QUEUE_ERROR). Link: http://lkml.kernel.org/r/1470092390-25451-4-git-send-email-mauricfo@xxxxxxxxxxxxxxxxxx Signed-off-by: Mauricio Faria de Oliveira <mauricfo@xxxxxxxxxxxxxxxxxx> Reviewed-by: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxxxxxxx> Cc: Keith Busch <keith.busch@xxxxxxxxx> Cc: Jens Axboe <axboe@xxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/nvme/host/pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff -puN drivers/nvme/host/pci.c~nvme-use-the-dma_attr_no_warn-attribute drivers/nvme/host/pci.c --- a/drivers/nvme/host/pci.c~nvme-use-the-dma_attr_no_warn-attribute +++ a/drivers/nvme/host/pci.c @@ -515,7 +515,8 @@ static int nvme_map_data(struct nvme_dev goto out; ret = BLK_MQ_RQ_QUEUE_BUSY; - if (!dma_map_sg(dev->dev, iod->sg, iod->nents, dma_dir)) + if (!dma_map_sg_attrs(dev->dev, iod->sg, iod->nents, dma_dir, + DMA_ATTR_NO_WARN)) goto out; if (!nvme_setup_prps(dev, req, size)) _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
