Signed-off-by: Sagi Grimberg <sagi@xxxxxxxxxxx>
---
drivers/nvme/host/pci.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index a7ad514c2451..f8dcd0bd19f8 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -789,6 +789,21 @@ static int nvme_poll(struct blk_mq_hw_ctx *hctx, unsigned int tag)
return found;
}
+static int nvme_poll_batch(struct blk_mq_hw_ctx *hctx, unsigned int batch)
+{
+ struct nvme_queue *nvmeq = hctx->driver_data;
+ int completed;
+
+ if (!nvme_cqe_valid(nvmeq, nvmeq->cq_head, nvmeq->cq_phase))
+ return 0;
+
+ spin_lock_irq(&nvmeq->q_lock);
+ completed = __nvme_process_cq(nvmeq, batch);
+ spin_unlock_irq(&nvmeq->q_lock);
+
+ return completed;
+}
+
static void nvme_pci_submit_async_event(struct nvme_ctrl *ctrl, int aer_idx)
{
struct nvme_dev *dev = to_nvme_dev(ctrl);
@@ -1174,6 +1189,7 @@ static struct blk_mq_ops nvme_mq_ops = {
.map_queues = nvme_pci_map_queues,
.timeout = nvme_timeout,
.poll = nvme_poll,
+ .poll_batch = nvme_poll_batch,
};
static void nvme_dev_remove_admin(struct nvme_dev *dev)
--
2.7.4
--
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