block: unexport elevator_init/exit

These are only used by the block core.  Also move the declarations to
block/blk.h.

Reported-by: Damien Le Moal <Damien.LeMoal@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Tested-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk.h b/block/blk.h
index eaf1a8e..a559c05 100644 (file)
--- a/block/blk.h
+++ b/block/blk.h
@@ -231,6 +231,8 @@ static inline void elv_deactivate_rq(struct request_queue *q, struct request *rq
                e->type->ops.sq.elevator_deactivate_req_fn(q, rq);
 }
 
+int elevator_init(struct request_queue *, char *);
+void elevator_exit(struct request_queue *, struct elevator_queue *);
 int elv_register_queue(struct request_queue *q);
 void elv_unregister_queue(struct request_queue *q);
 

diff --git a/block/elevator.c b/block/elevator.c
index 8b64f92..a7baa46 100644 (file)
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -263,7 +263,6 @@ int elevator_init(struct request_queue *q, char *name)
                elevator_put(e);
        return err;
 }
-EXPORT_SYMBOL(elevator_init);
 
 void elevator_exit(struct request_queue *q, struct elevator_queue *e)
 {
@@ -276,7 +275,6 @@ void elevator_exit(struct request_queue *q, struct elevator_queue *e)
 
        kobject_put(&e->kobj);
 }
-EXPORT_SYMBOL(elevator_exit);
 
 static inline void __elv_rqhash_del(struct request *rq)
 {

diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 6d9e230..a02deea 100644 (file)
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -218,8 +218,6 @@ extern void elv_unregister(struct elevator_type *);
 extern ssize_t elv_iosched_show(struct request_queue *, char *);
 extern ssize_t elv_iosched_store(struct request_queue *, const char *, size_t);
 
-extern int elevator_init(struct request_queue *, char *);
-extern void elevator_exit(struct request_queue *, struct elevator_queue *);
 extern bool elv_bio_merge_ok(struct request *, struct bio *);
 extern struct elevator_queue *elevator_alloc(struct request_queue *,
                                        struct elevator_type *);