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block: remove redundant check about 'set->nr_hw_queues' in blk_mq_alloc_tag_set()

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At the beginning of blk_mq_alloc_tag_set(), we have already checked whether
'set->nr_hw_queues' is zero, so here remove this redundant check.

Signed-off-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Xiaoguang Wang 2015-03-30 13:19:14 +08:00 committed by Jens Axboe
parent 271508dba2
commit f9018ac930
1 changed files with 1 additions and 1 deletions
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2
block/blk-mq.c
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@ -2174,7 +2174,7 @@ 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) {