blk-mq: split out tag initialization, support shared tags

[mirror_ubuntu-bionic-kernel.git] / block / blk-mq.h

diff --git a/block/blk-mq.h b/block/blk-mq.h
index 7964dadb7d64b1b2ae4e308eedf36479fce7fbe1..5fa14f19f7524edc585e35965675b97375c10d76 100644 (file)
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -1,6 +1,8 @@
 #ifndef INT_BLK_MQ_H
 #define INT_BLK_MQ_H
 
+struct blk_mq_tag_set;
+
 struct blk_mq_ctx {
        struct {
                spinlock_t              lock;
@@ -46,8 +48,7 @@ void blk_mq_disable_hotplug(void);
 /*
  * CPU -> queue mappings
  */
-struct blk_mq_reg;
-extern unsigned int *blk_mq_make_queue_map(struct blk_mq_reg *reg);
+extern unsigned int *blk_mq_make_queue_map(struct blk_mq_tag_set *set);
 extern int blk_mq_update_queue_map(unsigned int *map, unsigned int nr_queues);
 
 void blk_mq_add_timer(struct request *rq);