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nvme-pci: serialize pci resets

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Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Sagi Grimberg 2018-01-14 12:39:00 +02:00 committed by Christoph Hellwig
parent bf9ae8c532
commit 79c48ccf2f
3 changed files with 4 additions and 2 deletions
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3
drivers/nvme/host/core.c
View file

@ -95,7 +95,7 @@ int nvme_reset_ctrl(struct nvme_ctrl *ctrl)
}
EXPORT_SYMBOL_GPL(nvme_reset_ctrl);
static int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl)
int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl)
{
int ret;
@ -104,6 +104,7 @@ static int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl)
flush_work(&ctrl->reset_work);
return ret;
}
EXPORT_SYMBOL_GPL(nvme_reset_ctrl_sync);
static void nvme_delete_ctrl_work(struct work_struct *work)
{

1
drivers/nvme/host/nvme.h
View file

@ -394,6 +394,7 @@ int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count);
void nvme_start_keep_alive(struct nvme_ctrl *ctrl);
void nvme_stop_keep_alive(struct nvme_ctrl *ctrl);
int nvme_reset_ctrl(struct nvme_ctrl *ctrl);
int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl);
int nvme_delete_ctrl(struct nvme_ctrl *ctrl);
int nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl);

2
drivers/nvme/host/pci.c
View file

@ -2537,7 +2537,7 @@ static void nvme_reset_prepare(struct pci_dev *pdev)
static void nvme_reset_done(struct pci_dev *pdev)
{
struct nvme_dev *dev = pci_get_drvdata(pdev);
nvme_reset_ctrl(&dev->ctrl);
nvme_reset_ctrl_sync(&dev->ctrl);
}
static void nvme_shutdown(struct pci_dev *pdev)