* [PATCH] blk-mq: cleanup additional nr_hw_queues check
@ 2015-01-15 5:42 hujianyang
0 siblings, 0 replies; only message in thread
From: hujianyang @ 2015-01-15 5:42 UTC (permalink / raw)
To: Jens Axboe; +Cc: hch, open list
No need to check set->nr_hw_queues twice in blk_mq_alloc_tag_set(),
remove the latter one.
Signed-off-by: hujianyang <hujianyang@huawei.com>
---
block/blk-mq.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index a7d4a98..eddeccc 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2097,7 +2097,7 @@ int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set)
if (set->queue_depth < set->reserved_tags + BLK_MQ_TAG_MIN)
return -EINVAL;
- if (!set->nr_hw_queues || !set->ops->queue_rq || !set->ops->map_queue)
+ if (!set->ops->queue_rq || !set->ops->map_queue)
return -EINVAL;
if (set->queue_depth > BLK_MQ_MAX_DEPTH) {
--
1.6.0.2
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2015-01-15 5:42 [PATCH] blk-mq: cleanup additional nr_hw_queues check hujianyang
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