linux-kernel - [PATCH 1/1] BLOCK/ELEVATOR: add __init to elv

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Date:	Tue, 10 Jun 2014 20:04:50 +0200
From:	Fabian Frederick <fabf@...net.be>
To:	linux-kernel@...r.kernel.org
Cc:	Fabian Frederick <fabf@...net.be>, Jens Axboe <axboe@...nel.dk>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 1/1] BLOCK/ELEVATOR: add __init to elv_register

elv_register is only called by elevator init functions:

__init cfq_init
__init deadline_init
__init noop_init

Cc: Jens Axboe <axboe@...nel.dk>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 block/elevator.c         | 2 +-
 include/linux/elevator.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/elevator.c b/block/elevator.c
index 1e01b66..f35eddd 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -845,7 +845,7 @@ void elv_unregister_queue(struct request_queue *q)
 }
 EXPORT_SYMBOL(elv_unregister_queue);
 
-int elv_register(struct elevator_type *e)
+int __init elv_register(struct elevator_type *e)
 {
 	char *def = "";
 
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index df63bd3..4ff262e 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -144,7 +144,7 @@ extern void elv_drain_elevator(struct request_queue *);
  * io scheduler registration
  */
 extern void __init load_default_elevator_module(void);
-extern int elv_register(struct elevator_type *);
+extern int __init elv_register(struct elevator_type *);
 extern void elv_unregister(struct elevator_type *);
 
 /*
-- 
1.8.4.5

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