aboutsummaryrefslogtreecommitdiff
path: root/block/elevator.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-30 08:12:39 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-30 08:12:39 -0700
commitcd9bb7e7367c03400d6e918fd3502820fc3b9084 (patch)
tree66eda61f9b28eff39a91b7a819579616161266e3 /block/elevator.c
parent24a77daf3d80bddcece044e6dc3675e427eef3f3 (diff)
parent07e44708059010aa26c6a4c8ee6ff11743d04d4e (diff)
Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block: [PATCH] elevator: elv_list_lock does not need irq disabling [BLOCK] Don't pin lots of memory in mempools cfq-iosched: speedup cic rb lookup ll_rw_blk: add io_context private pointer cfq-iosched: get rid of cfqq hash cfq-iosched: tighten queue request overlap condition cfq-iosched: improve sync vs async workloads cfq-iosched: never allow an async queue idling cfq-iosched: get rid of ->dispatch_slice cfq-iosched: don't pass unused preemption variable around cfq-iosched: get rid of ->cur_rr and ->cfq_list cfq-iosched: slice offset should take ioprio into account [PATCH] cfq-iosched: style cleanups and comments cfq-iosched: sort IDLE queues into the rbtree cfq-iosched: sort RT queues into the rbtree [PATCH] cfq-iosched: speed up rbtree handling cfq-iosched: rework the whole round-robin list concept cfq-iosched: minor updates cfq-iosched: development update cfq-iosched: improve preemption for cooperating tasks
Diffstat (limited to 'block/elevator.c')
-rw-r--r--block/elevator.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/block/elevator.c b/block/elevator.c
index 96a00c82274..ce866eb75f6 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -134,13 +134,13 @@ static struct elevator_type *elevator_get(const char *name)
{
struct elevator_type *e;
- spin_lock_irq(&elv_list_lock);
+ spin_lock(&elv_list_lock);
e = elevator_find(name);
if (e && !try_module_get(e->elevator_owner))
e = NULL;
- spin_unlock_irq(&elv_list_lock);
+ spin_unlock(&elv_list_lock);
return e;
}
@@ -965,10 +965,11 @@ void elv_unregister_queue(struct request_queue *q)
int elv_register(struct elevator_type *e)
{
char *def = "";
- spin_lock_irq(&elv_list_lock);
+
+ spin_lock(&elv_list_lock);
BUG_ON(elevator_find(e->elevator_name));
list_add_tail(&e->list, &elv_list);
- spin_unlock_irq(&elv_list_lock);
+ spin_unlock(&elv_list_lock);
if (!strcmp(e->elevator_name, chosen_elevator) ||
(!*chosen_elevator &&
@@ -998,9 +999,9 @@ void elv_unregister(struct elevator_type *e)
read_unlock(&tasklist_lock);
}
- spin_lock_irq(&elv_list_lock);
+ spin_lock(&elv_list_lock);
list_del_init(&e->list);
- spin_unlock_irq(&elv_list_lock);
+ spin_unlock(&elv_list_lock);
}
EXPORT_SYMBOL_GPL(elv_unregister);
@@ -1118,7 +1119,7 @@ ssize_t elv_iosched_show(request_queue_t *q, char *name)
struct list_head *entry;
int len = 0;
- spin_lock_irq(&elv_list_lock);
+ spin_lock(&elv_list_lock);
list_for_each(entry, &elv_list) {
struct elevator_type *__e;
@@ -1128,7 +1129,7 @@ ssize_t elv_iosched_show(request_queue_t *q, char *name)
else
len += sprintf(name+len, "%s ", __e->elevator_name);
}
- spin_unlock_irq(&elv_list_lock);
+ spin_unlock(&elv_list_lock);
len += sprintf(len+name, "\n");
return len;