AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

NVMe: Remove unused sq_head read in completion path

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/nvme/host/pci.c
View File

@ -134,7 +134,6 @@ struct nvme_queue {
u32 __iomem *q_db;
u16 q_depth;
s16 cq_vector;
u16 sq_head;
u16 sq_tail;
u16 cq_head;
u16 qid;
@ -719,7 +718,6 @@ static void __nvme_process_cq(struct nvme_queue *nvmeq, unsigned int *tag)
if ((status & 1) != phase)
break;
nvmeq->sq_head = le16_to_cpu(cqe.sq_head);
if (++head == nvmeq->q_depth) {
head = 0;
phase = !phase;