Quiesce and shutdown the device prior to reset, then restart the device
and resume IO after.
Signed-off-by: Keith Busch <keith.busch@xxxxxxxxx>
---
v1 -> v2:
fixed compile warning for wrong data type in function (int -> bool).
drivers/block/nvme-core.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index 7c64fa7..a842c71 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -2775,6 +2775,16 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return result;
}
+static void nvme_reset_notify(struct pci_dev *pdev, bool prepare)
+{
+ struct nvme_dev *dev = pci_get_drvdata(pdev);
+
+ if (prepare)
+ nvme_dev_shutdown(dev);
+ else
+ nvme_dev_resume(dev);
+}
+
static void nvme_shutdown(struct pci_dev *pdev)
{
struct nvme_dev *dev = pci_get_drvdata(pdev);
@@ -2839,6 +2849,7 @@ static const struct pci_error_handlers nvme_err_handler = {
.link_reset = nvme_link_reset,
.slot_reset = nvme_slot_reset,
.resume = nvme_error_resume,
+ .reset_notify = nvme_reset_notify,
};
/* Move to pci_ids.h later */
--
1.7.10.4
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