diff options
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index f331d888e7f5..ab37ae114e94 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1067,13 +1067,10 @@ static void rq_end_stats(struct mapped_device *md, struct request *orig) */ static void rq_completed(struct mapped_device *md, int rw, bool run_queue) { - int nr_requests_pending; - atomic_dec(&md->pending[rw]); /* nudge anyone waiting on suspend queue */ - nr_requests_pending = md_in_flight(md); - if (!nr_requests_pending) + if (!md_in_flight(md)) wake_up(&md->wait); /* @@ -1085,8 +1082,7 @@ static void rq_completed(struct mapped_device *md, int rw, bool run_queue) if (run_queue) { if (md->queue->mq_ops) blk_mq_run_hw_queues(md->queue, true); - else if (!nr_requests_pending || - (nr_requests_pending >= md->queue->nr_congestion_on)) + else blk_run_queue_async(md->queue); } @@ -2281,8 +2277,6 @@ static void dm_init_old_md_queue(struct mapped_device *md) static void cleanup_mapped_device(struct mapped_device *md) { - cleanup_srcu_struct(&md->io_barrier); - if (md->wq) destroy_workqueue(md->wq); if (md->kworker_task) @@ -2294,6 +2288,8 @@ static void cleanup_mapped_device(struct mapped_device *md) if (md->bs) bioset_free(md->bs); + cleanup_srcu_struct(&md->io_barrier); + if (md->disk) { spin_lock(&_minor_lock); md->disk->private_data = NULL; |