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-rw-r--r--block/blk-mq.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h
index ff5e6bf0f691..de7b3bbd5bd6 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -55,6 +55,12 @@ extern int blk_mq_update_queue_map(unsigned int *map, unsigned int nr_queues);
extern int blk_mq_hw_queue_to_node(unsigned int *map, unsigned int);
/*
+ * sysfs helpers
+ */
+extern int blk_mq_sysfs_register(struct request_queue *q);
+extern void blk_mq_sysfs_unregister(struct request_queue *q);
+
+/*
* Basic implementation of sparser bitmap, allowing the user to spread
* the bits over more cachelines.
*/