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-rw-r--r--block/elevator.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/block/elevator.c b/block/elevator.c
index 76e3702d538..6df2b5056b5 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -539,6 +539,15 @@ void elv_merge_requests(struct request_queue *q, struct request *rq,
q->last_merge = rq;
}
+void elv_bio_merged(struct request_queue *q, struct request *rq,
+ struct bio *bio)
+{
+ struct elevator_queue *e = q->elevator;
+
+ if (e->ops->elevator_bio_merged_fn)
+ e->ops->elevator_bio_merged_fn(q, rq, bio);
+}
+
void elv_requeue_request(struct request_queue *q, struct request *rq)
{
/*
@@ -921,6 +930,7 @@ int elv_register_queue(struct request_queue *q)
}
return error;
}
+EXPORT_SYMBOL(elv_register_queue);
static void __elv_unregister_queue(struct elevator_queue *e)
{
@@ -933,6 +943,7 @@ void elv_unregister_queue(struct request_queue *q)
if (q)
__elv_unregister_queue(q->elevator);
}
+EXPORT_SYMBOL(elv_unregister_queue);
void elv_register(struct elevator_type *e)
{