From 0e0b71f3c574cff66360800878bb4f4665dcb076 Mon Sep 17 00:00:00 2001 From: Mauricio Faria de Oliveira Date: Sat, 10 Sep 2016 20:34:30 +1000 Subject: [PATCH] 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@linux.vnet.ibm.com Signed-off-by: Mauricio Faria de Oliveira Reviewed-by: Gabriel Krisman Bertazi Cc: Keith Busch Cc: Jens Axboe Cc: Benjamin Herrenschmidt Cc: Michael Ellerman Cc: Krzysztof Kozlowski Signed-off-by: Andrew Morton --- drivers/nvme/host/pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 8dcf5a960951..4a7e8d306174 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -503,7 +503,8 @@ static int nvme_map_data(struct nvme_dev *dev, struct request *req, 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)) -- 2.34.1