From: Ming Lei <[email protected]> commit 2569063c7140c65a0d0ad075e95ddfbcda9ba3c0 upstream.
In case of blk_mq_is_sbitmap_shared(), we should test QUEUE_FLAG_HCTX_ACTIVE against q->queue_flags instead of BLK_MQ_S_TAG_ACTIVE. So fix it. Cc: John Garry <[email protected]> Cc: Kashyap Desai <[email protected]> Fixes: f1b49fdc1c64 ("blk-mq: Record active_queues_shared_sbitmap per tag_set for when using shared sbitmap") Signed-off-by: Ming Lei <[email protected]> Reviewed-by: John Garry <[email protected]> Signed-off-by: Jens Axboe <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- block/blk-mq.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -303,7 +303,7 @@ static inline bool hctx_may_queue(struct struct request_queue *q = hctx->queue; struct blk_mq_tag_set *set = q->tag_set; - if (!test_bit(BLK_MQ_S_TAG_ACTIVE, &q->queue_flags)) + if (!test_bit(QUEUE_FLAG_HCTX_ACTIVE, &q->queue_flags)) return true; users = atomic_read(&set->active_queues_shared_sbitmap); } else {
