blk-mq: use helper function to test hw stopped

We have introduced helper function blk_mq_hctx_stopped() to test
BLK_MQ_S_STOPPED.

Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 file changed