diff options
Diffstat (limited to 'drivers/nvme/host/pci.c')
| -rw-r--r-- | drivers/nvme/host/pci.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 8187df204695..930042fa2d69 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -968,7 +968,8 @@ static void __nvme_process_cq(struct nvme_queue *nvmeq, unsigned int *tag) if (head == nvmeq->cq_head && phase == nvmeq->cq_phase) return; - writel(head, nvmeq->q_db + nvmeq->dev->db_stride); + if (likely(nvmeq->cq_vector >= 0)) + writel(head, nvmeq->q_db + nvmeq->dev->db_stride); nvmeq->cq_head = head; nvmeq->cq_phase = phase; @@ -2268,7 +2269,7 @@ static void nvme_alloc_ns(struct nvme_dev *dev, unsigned nsid) if (dev->max_hw_sectors) { blk_queue_max_hw_sectors(ns->queue, dev->max_hw_sectors); blk_queue_max_segments(ns->queue, - ((dev->max_hw_sectors << 9) / dev->page_size) + 1); + (dev->max_hw_sectors / (dev->page_size >> 9)) + 1); } if (dev->stripe_size) blk_queue_chunk_sectors(ns->queue, dev->stripe_size >> 9); @@ -2787,6 +2788,10 @@ static void nvme_del_queue_end(struct nvme_queue *nvmeq) { struct nvme_delq_ctx *dq = nvmeq->cmdinfo.ctx; nvme_put_dq(dq); + + spin_lock_irq(&nvmeq->q_lock); + nvme_process_cq(nvmeq); + spin_unlock_irq(&nvmeq->q_lock); } static int adapter_async_del_queue(struct nvme_queue *nvmeq, u8 opcode, |