[PATCH] Block device elevator: use list_for_each_entry() instead of list_for_each()

From: Matthias Kaehlcke
Date: Sun May 27 2007 - 12:41:21 EST


Use list_for_each_entry() instead of list_for_each() in the block
device elevator

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@xxxxxxxxx>

--

diff --git a/block/elevator.c b/block/elevator.c
index ce866eb..4769a25 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -112,12 +112,8 @@ static inline int elv_try_merge(struct request *__rq, struct bio *bio)
static struct elevator_type *elevator_find(const char *name)
{
struct elevator_type *e;
- struct list_head *entry;
-
- list_for_each(entry, &elv_list) {
-
- e = list_entry(entry, struct elevator_type, list);

+ list_for_each_entry(e, &elv_list, list) {
if (!strcmp(e->elevator_name, name))
return e;
}
@@ -1116,14 +1112,11 @@ ssize_t elv_iosched_show(request_queue_t *q, char *name)
{
elevator_t *e = q->elevator;
struct elevator_type *elv = e->elevator_type;
- struct list_head *entry;
+ struct elevator_type *__e;
int len = 0;

spin_lock(&elv_list_lock);
- list_for_each(entry, &elv_list) {
- struct elevator_type *__e;
-
- __e = list_entry(entry, struct elevator_type, list);
+ list_for_each_entry(__e, &elv_list, list) {
if (!strcmp(elv->elevator_name, __e->elevator_name))
len += sprintf(name+len, "[%s] ", elv->elevator_name);
else

--
Matthias Kaehlcke
Linux Application Developer
Barcelona


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their condition. But when they get angry, they bring about a change
(Malcolm X)
.''`.
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