Commit 4d199c6f authored by Jens Axboe's avatar Jens Axboe
Browse files

blk-cgroup: ensure that we clear the stop bit on quiesced queues



If we call blk_mq_quiesce_queue() on a queue, we must remember to
pair that with something that clears the stopped by on the
queues later on.
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent d3484991
......@@ -1265,9 +1265,10 @@ pd_prealloc:
spin_unlock_irq(q->queue_lock);
out_bypass_end:
if (q->mq_ops)
if (q->mq_ops) {
blk_mq_unfreeze_queue(q);
else
blk_mq_start_stopped_hw_queues(q, true);
} else
blk_queue_bypass_end(q);
if (pd_prealloc)
pol->pd_free_fn(pd_prealloc);
......@@ -1317,9 +1318,10 @@ void blkcg_deactivate_policy(struct request_queue *q,
spin_unlock_irq(q->queue_lock);
if (q->mq_ops)
if (q->mq_ops) {
blk_mq_unfreeze_queue(q);
else
blk_mq_start_stopped_hw_queues(q, true);
} else
blk_queue_bypass_end(q);
}
EXPORT_SYMBOL_GPL(blkcg_deactivate_policy);
......
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