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NVMe: Remove unused sq_head read in completion path

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Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jon Derrick
2016-03-08 10:34:54 -07:00
committed by Jens Axboe
parent f8b11260a4
commit 48c7823f42
1 changed files with 0 additions and 2 deletions
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2
drivers/nvme/host/pci.c
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@@ -134,7 +134,6 @@ struct nvme_queue {
u32 __iomem *q_db; u32 __iomem *q_db;
u16 q_depth; u16 q_depth;
s16 cq_vector; s16 cq_vector;
u16 sq_head;
u16 sq_tail; u16 sq_tail;
u16 cq_head; u16 cq_head;
u16 qid; u16 qid;
@@ -719,7 +718,6 @@ static void __nvme_process_cq(struct nvme_queue *nvmeq, unsigned int *tag)
if ((status & 1) != phase) if ((status & 1) != phase)
break; break;
nvmeq->sq_head = le16_to_cpu(cqe.sq_head);
if (++head == nvmeq->q_depth) { if (++head == nvmeq->q_depth) {
head = 0; head = 0;
phase = !phase; phase = !phase;