diff options
| -rw-r--r-- | drivers/md/dm-rq.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index 09c958b6f038..8b92e066bb69 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -102,7 +102,7 @@ static void dm_mq_stop_queue(struct request_queue *q) if (blk_mq_queue_stopped(q)) return; - blk_mq_stop_hw_queues(q); + blk_mq_quiesce_queue(q); } void dm_stop_queue(struct request_queue *q) @@ -880,17 +880,6 @@ static int dm_mq_queue_rq(struct blk_mq_hw_ctx *hctx, dm_put_live_table(md, srcu_idx); } - /* - * On suspend dm_stop_queue() handles stopping the blk-mq - * request_queue BUT: even though the hw_queues are marked - * BLK_MQ_S_STOPPED at that point there is still a race that - * is allowing block/blk-mq.c to call ->queue_rq against a - * hctx that it really shouldn't. The following check guards - * against this rarity (albeit _not_ race-free). - */ - if (unlikely(test_bit(BLK_MQ_S_STOPPED, &hctx->state))) - return BLK_MQ_RQ_QUEUE_BUSY; - if (ti->type->busy && ti->type->busy(ti)) return BLK_MQ_RQ_QUEUE_BUSY; |