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blk-mq: test QUEUE_FLAG_HCTX_ACTIVE for sbitmap_shared in hctx_may_queue 

commit 2569063c71 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 <john.garry@huawei.com>
Cc: Kashyap Desai <kashyap.desai@broadcom.com>
Fixes: f1b49fdc1c ("blk-mq: Record active_queues_shared_sbitmap per tag_set for when using shared sbitmap")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/243/head^2
Ming Lei 2020-12-27 19:34:58 +08:00 committed by Greg Kroah-Hartman
parent 7d6e01e275
commit 20786fdd2f
1 changed files with 1 additions and 1 deletions
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2
block/blk-mq.h
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@ -303,7 +303,7 @@ static inline bool hctx_may_queue(struct blk_mq_hw_ctx *hctx,
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 {