nvme-pci: refactor nvme_poll_irqdisable to make sparse happy

By duplicating the nvme_process_cq in both branches we keep the
sparse lock context checking happy, so do it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
This commit is contained in:
Christoph Hellwig 2018-12-13 09:48:00 +01:00
parent ed92ad37e8
commit 91a509f8b7

View file

@ -1089,15 +1089,15 @@ static int nvme_poll_irqdisable(struct nvme_queue *nvmeq, unsigned int tag)
* using the CQ lock. For normal interrupt driven threads we have
* to disable the interrupt to avoid racing with it.
*/
if (nvmeq->cq_vector == -1)
if (nvmeq->cq_vector == -1) {
spin_lock(&nvmeq->cq_poll_lock);
else
disable_irq(pci_irq_vector(pdev, nvmeq->cq_vector));
found = nvme_process_cq(nvmeq, &start, &end, tag);
if (nvmeq->cq_vector == -1)
found = nvme_process_cq(nvmeq, &start, &end, tag);
spin_unlock(&nvmeq->cq_poll_lock);
else
} else {
disable_irq(pci_irq_vector(pdev, nvmeq->cq_vector));
found = nvme_process_cq(nvmeq, &start, &end, tag);
enable_irq(pci_irq_vector(pdev, nvmeq->cq_vector));
}
nvme_complete_cqes(nvmeq, start, end);
return found;