Messages in this thread Patch in this message | | | From | Alexander Gordeev <> | Subject | [PATCH 2/3] blk-mq: Eliminate superfluous check of BLK_MQ_S_TAG_ACTIVE flag | Date | Wed, 3 Sep 2014 22:33:06 +0200 |
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Signed-off-by: Alexander Gordeev <agordeev@redhat.com> Cc: Jens Axboe <axboe@kernel.dk> --- block/blk-mq-tag.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c index 4953b64..d1eb579 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -60,8 +60,7 @@ static inline void bt_index_atomic_inc(atomic_t *index) */ void __blk_mq_tag_busy(struct blk_mq_hw_ctx *hctx) { - if (!test_bit(BLK_MQ_S_TAG_ACTIVE, &hctx->state) && - !test_and_set_bit(BLK_MQ_S_TAG_ACTIVE, &hctx->state)) + if (!test_and_set_bit(BLK_MQ_S_TAG_ACTIVE, &hctx->state)) atomic_inc(&hctx->tags->active_queues); } -- 1.9.3
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