max_hw_sectors error caused by recent NVMe driver commit
Christoph Hellwig
hch at lst.de
Sun Feb 12 21:59:45 PST 2023
Hi Michael,
does this fix the problem for you?
commit 0467e96bafd2e84b67ba5c122bbbbac5e3f267e9
Author: Christoph Hellwig <hch at lst.de>
Date: Mon Feb 13 06:58:33 2023 +0100
nvme dma_mask
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index c734934c407ccf..cb068f92bd597e 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2509,18 +2509,12 @@ static int nvme_pci_enable(struct nvme_dev *dev)
{
int result = -ENOMEM;
struct pci_dev *pdev = to_pci_dev(dev->dev);
- int dma_address_bits = 64;
if (pci_enable_device_mem(pdev))
return result;
pci_set_master(pdev);
- if (dev->ctrl.quirks & NVME_QUIRK_DMA_ADDRESS_BITS_48)
- dma_address_bits = 48;
- if (dma_set_mask_and_coherent(dev->dev, DMA_BIT_MASK(dma_address_bits)))
- goto disable;
-
if (readl(dev->bar + NVME_REG_CSTS) == -1) {
result = -ENODEV;
goto disable;
@@ -2998,7 +2992,11 @@ static struct nvme_dev *nvme_pci_alloc_dev(struct pci_dev *pdev,
quirks);
if (ret)
goto out_put_device;
-
+
+ if (dev->ctrl.quirks & NVME_QUIRK_DMA_ADDRESS_BITS_48)
+ dma_set_mask_and_coherent(dev->dev, DMA_BIT_MASK(48));
+ else
+ dma_set_mask_and_coherent(dev->dev, DMA_BIT_MASK(64));
dma_set_min_align_mask(&pdev->dev, NVME_CTRL_PAGE_SIZE - 1);
dma_set_max_seg_size(&pdev->dev, 0xffffffff);
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