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| author | Adrian Bunk <bunk@kernel.org> | 2007-12-12 18:51:56 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-12-18 08:29:28 +0100 |
| commit | 2fdd82bd8852ec8ebad5c69c45138da25c6f9273 (patch) | |
| tree | ff701ec0a8909fa50b79763a49a4eaada5aa759e | |
| parent | 49565124b13bb16607e7f8fc8fb1d9c5c355a1a3 (diff) | |
| download | linux-2fdd82bd8852ec8ebad5c69c45138da25c6f9273.tar.gz linux-2fdd82bd8852ec8ebad5c69c45138da25c6f9273.tar.bz2 linux-2fdd82bd8852ec8ebad5c69c45138da25c6f9273.zip | |
block: let elv_register() return void
elv_register() always returns 0, and there isn't anything it does where
it should return an error (the only error condition is so grave that
it's handled with a BUG_ON).
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| -rw-r--r-- | block/as-iosched.c | 4 | ||||
| -rw-r--r-- | block/cfq-iosched.c | 8 | ||||
| -rw-r--r-- | block/deadline-iosched.c | 4 | ||||
| -rw-r--r-- | block/elevator.c | 3 | ||||
| -rw-r--r-- | block/noop-iosched.c | 4 | ||||
| -rw-r--r-- | include/linux/elevator.h | 2 |
6 files changed, 13 insertions, 12 deletions
diff --git a/block/as-iosched.c b/block/as-iosched.c index 555cd6bf4ce5..cb5e53b05c7c 100644 --- a/block/as-iosched.c +++ b/block/as-iosched.c @@ -1464,7 +1464,9 @@ static struct elevator_type iosched_as = { static int __init as_init(void) { - return elv_register(&iosched_as); + elv_register(&iosched_as); + + return 0; } static void __exit as_exit(void) diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 0b4a47905575..13553e015d72 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -2279,8 +2279,6 @@ static struct elevator_type iosched_cfq = { static int __init cfq_init(void) { - int ret; - /* * could be 0 on HZ < 1000 setups */ @@ -2292,11 +2290,9 @@ static int __init cfq_init(void) if (cfq_slab_setup()) return -ENOMEM; - ret = elv_register(&iosched_cfq); - if (ret) - cfq_slab_kill(); + elv_register(&iosched_cfq); - return ret; + return 0; } static void __exit cfq_exit(void) diff --git a/block/deadline-iosched.c b/block/deadline-iosched.c index a054eef8dff6..342448c3d2dd 100644 --- a/block/deadline-iosched.c +++ b/block/deadline-iosched.c @@ -467,7 +467,9 @@ static struct elevator_type iosched_deadline = { static int __init deadline_init(void) { - return elv_register(&iosched_deadline); + elv_register(&iosched_deadline); + + return 0; } static void __exit deadline_exit(void) diff --git a/block/elevator.c b/block/elevator.c index 446aea2a3cfb..e452deb80395 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -960,7 +960,7 @@ void elv_unregister_queue(struct request_queue *q) __elv_unregister_queue(q->elevator); } -int elv_register(struct elevator_type *e) +void elv_register(struct elevator_type *e) { char *def = ""; @@ -975,7 +975,6 @@ int elv_register(struct elevator_type *e) def = " (default)"; printk(KERN_INFO "io scheduler %s registered%s\n", e->elevator_name, def); - return 0; } EXPORT_SYMBOL_GPL(elv_register); diff --git a/block/noop-iosched.c b/block/noop-iosched.c index 7563d8aa3944..c23e02969650 100644 --- a/block/noop-iosched.c +++ b/block/noop-iosched.c @@ -101,7 +101,9 @@ static struct elevator_type elevator_noop = { static int __init noop_init(void) { - return elv_register(&elevator_noop); + elv_register(&elevator_noop); + + return 0; } static void __exit noop_exit(void) diff --git a/include/linux/elevator.h b/include/linux/elevator.h index e8f42133a616..639624b55fbe 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -119,7 +119,7 @@ extern void elv_put_request(struct request_queue *, struct request *); /* * io scheduler registration */ -extern int elv_register(struct elevator_type *); +extern void elv_register(struct elevator_type *); extern void elv_unregister(struct elevator_type *); /* |