blk-mq: make lifetime consitent between q/ctx and its kobject

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

diff --git a/block/blk-mq.h b/block/blk-mq.h
index ad8bfd7473ef7ebdf4142dac6a18095e91553cca..b79f9a7d8cf62010dd9a91d3b271e5d2474cb836 100644 (file)
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -78,6 +78,7 @@ static inline struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *q,
  * sysfs helpers
  */
 extern void blk_mq_sysfs_init(struct request_queue *q);
+extern void blk_mq_sysfs_deinit(struct request_queue *q);
 extern int blk_mq_sysfs_register(struct request_queue *q);
 extern void blk_mq_sysfs_unregister(struct request_queue *q);
 extern void blk_mq_hctx_kobj_init(struct blk_mq_hw_ctx *hctx);