[PATCH 4/4] nvme-pci: discard the cq_vector checking in nvme_queue_rq
From: Jianchao Wang <hidden>
Date: 2018-09-11 09:47:36
Also in:
linux-nvme, lkml
Subsystem:
nvm express driver, the rest · Maintainers:
Keith Busch, Jens Axboe, Christoph Hellwig, Sagi Grimberg, Linus Torvalds
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 <redacted> --- 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