[PATCH 4/4] nvme-pci: discard the cq_vector checking in nvme_queue_rq

From: Jianchao Wang
Date: Tue Sep 11 2018 - 05:47:41 EST


updating nr_hw_queue uses bios retrieving to drain queues, so we
needn't the the cq_vector checking any more.

Signed-off-by: Jianchao Wang <jianchao.w.wang@xxxxxxxxxx>
---
drivers/nvme/host/pci.c | 7 -------
1 file changed, 7 deletions(-)

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 9e60edf..615192f 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -813,13 +813,6 @@ static blk_status_t nvme_queue_rq(struct blk_mq_hw_ctx *hctx,
struct nvme_command cmnd;
blk_status_t ret;

- /*
- * We should not need to do this, but we're still using this to
- * ensure we can drain requests on a dying queue.
- */
- if (unlikely(nvmeq->cq_vector < 0))
- return BLK_STS_IOERR;
-
ret = nvme_setup_cmd(ns, req, &cmnd);
if (ret)
return ret;
--
2.7.4