Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2fdd82bd8852ec8ebad5c69c45138da25c6f9273
Commit: 2fdd82bd8852ec8ebad5c69c45138da25c6f9273
Parent: 49565124b13bb16607e7f8fc8fb1d9c5c355a1a3
Author: Adrian Bunk <[EMAIL PROTECTED]>
AuthorDate: Wed Dec 12 18:51:56 2007 +0100
Committer: Jens Axboe <[EMAIL PROTECTED]>
CommitDate: Tue Dec 18 08:29:28 2007 +0100
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 <[EMAIL PROTECTED]>
Signed-off-by: Jens Axboe <[EMAIL PROTECTED]>
---
block/as-iosched.c | 4 +++-
block/cfq-iosched.c | 8 ++------
block/deadline-iosched.c | 4 +++-
block/elevator.c | 3 +--
block/noop-iosched.c | 4 +++-
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 555cd6b..cb5e53b 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 0b4a479..13553e0 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 a054eef..342448c 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 446aea2..e452deb 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 7563d8a..c23e029 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 e8f4213..639624b 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 *);
/*
-
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