blk-mq: allow changing of queue depth through sysfs

[linux-2.6-block.git] / block / blk-mq.h

diff --git a/block/blk-mq.h b/block/blk-mq.h
index 5e5a378962b7346fa019c37ef6ccbef9ac78b4ad..7db4fe4bd0021434246912ef9cdcbd1020e15e5d 100644 (file)
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -32,6 +32,7 @@ void blk_mq_drain_queue(struct request_queue *q);
 void blk_mq_free_queue(struct request_queue *q);
 void blk_mq_clone_flush_request(struct request *flush_rq,
                struct request *orig_rq);
+int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr);
 
 /*
  * CPU hotplug helpers