aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/block/noop-iosched.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/block/noop-iosched.c')
-rw-r--r--drivers/block/noop-iosched.c17
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/block/noop-iosched.c b/drivers/block/noop-iosched.c
index b1730b62c37e..bc2252b6f2e5 100644
--- a/drivers/block/noop-iosched.c
+++ b/drivers/block/noop-iosched.c
@@ -28,13 +28,9 @@ static void elevator_noop_merge_requests(request_queue_t *q, struct request *req
28 list_del_init(&next->queuelist); 28 list_del_init(&next->queuelist);
29} 29}
30 30
31static void elevator_noop_add_request(request_queue_t *q, struct request *rq, 31static void elevator_noop_add_request(request_queue_t *q, struct request *rq)
32 int where)
33{ 32{
34 if (where == ELEVATOR_INSERT_FRONT) 33 elv_dispatch_add_tail(q, rq);
35 list_add(&rq->queuelist, &q->queue_head);
36 else
37 list_add_tail(&rq->queuelist, &q->queue_head);
38 34
39 /* 35 /*
40 * new merges must not precede this barrier 36 * new merges must not precede this barrier
@@ -45,19 +41,16 @@ static void elevator_noop_add_request(request_queue_t *q, struct request *rq,
45 q->last_merge = rq; 41 q->last_merge = rq;
46} 42}
47 43
48static struct request *elevator_noop_next_request(request_queue_t *q) 44static int elevator_noop_dispatch(request_queue_t *q, int force)
49{ 45{
50 if (!list_empty(&q->queue_head)) 46 return 0;
51 return list_entry_rq(q->queue_head.next);
52
53 return NULL;
54} 47}
55 48
56static struct elevator_type elevator_noop = { 49static struct elevator_type elevator_noop = {
57 .ops = { 50 .ops = {
58 .elevator_merge_fn = elevator_noop_merge, 51 .elevator_merge_fn = elevator_noop_merge,
59 .elevator_merge_req_fn = elevator_noop_merge_requests, 52 .elevator_merge_req_fn = elevator_noop_merge_requests,
60 .elevator_next_req_fn = elevator_noop_next_request, 53 .elevator_dispatch_fn = elevator_noop_dispatch,
61 .elevator_add_req_fn = elevator_noop_add_request, 54 .elevator_add_req_fn = elevator_noop_add_request,
62 }, 55 },
63 .elevator_name = "noop", 56 .elevator_name = "noop",