[BLOCK] Cleanup unused variable passing
- ->init_queue() does not need the elevator passed in
- ->put_request() is a hot path and need not have the queue passed in
- cfq_update_io_seektime() does not need cfqd passed in
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/block/as-iosched.c b/block/as-iosched.c
index 50b95e4c..0024211 100644
--- a/block/as-iosched.c
+++ b/block/as-iosched.c
@@ -1317,7 +1317,7 @@
/*
* initialize elevator private data (as_data).
*/
-static void *as_init_queue(request_queue_t *q, elevator_t *e)
+static void *as_init_queue(request_queue_t *q)
{
struct as_data *ad;
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 1d9c3c7..e9019ed 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1464,8 +1464,7 @@
}
static void
-cfq_update_io_seektime(struct cfq_data *cfqd, struct cfq_io_context *cic,
- struct request *rq)
+cfq_update_io_seektime(struct cfq_io_context *cic, struct request *rq)
{
sector_t sdist;
u64 total;
@@ -1617,7 +1616,7 @@
}
cfq_update_io_thinktime(cfqd, cic);
- cfq_update_io_seektime(cfqd, cic, rq);
+ cfq_update_io_seektime(cic, rq);
cfq_update_idle_window(cfqd, cfqq, cic);
cic->last_queue = jiffies;
@@ -1770,7 +1769,7 @@
/*
* queue lock held here
*/
-static void cfq_put_request(request_queue_t *q, struct request *rq)
+static void cfq_put_request(struct request *rq)
{
struct cfq_queue *cfqq = RQ_CFQQ(rq);
@@ -1951,7 +1950,7 @@
kfree(cfqd);
}
-static void *cfq_init_queue(request_queue_t *q, elevator_t *e)
+static void *cfq_init_queue(request_queue_t *q)
{
struct cfq_data *cfqd;
int i;
diff --git a/block/deadline-iosched.c b/block/deadline-iosched.c
index b7c5b34..6d673e9 100644
--- a/block/deadline-iosched.c
+++ b/block/deadline-iosched.c
@@ -356,7 +356,7 @@
/*
* initialize elevator private data (deadline_data).
*/
-static void *deadline_init_queue(request_queue_t *q, elevator_t *e)
+static void *deadline_init_queue(request_queue_t *q)
{
struct deadline_data *dd;
diff --git a/block/elevator.c b/block/elevator.c
index 8ccd163..c0063f3 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -129,7 +129,7 @@
static void *elevator_init_queue(request_queue_t *q, struct elevator_queue *eq)
{
- return eq->ops->elevator_init_fn(q, eq);
+ return eq->ops->elevator_init_fn(q);
}
static void elevator_attach(request_queue_t *q, struct elevator_queue *eq,
@@ -810,7 +810,7 @@
elevator_t *e = q->elevator;
if (e->ops->elevator_put_req_fn)
- e->ops->elevator_put_req_fn(q, rq);
+ e->ops->elevator_put_req_fn(rq);
}
int elv_may_queue(request_queue_t *q, int rw)
diff --git a/block/noop-iosched.c b/block/noop-iosched.c
index 79af431..1c3de2b 100644
--- a/block/noop-iosched.c
+++ b/block/noop-iosched.c
@@ -65,7 +65,7 @@
return list_entry(rq->queuelist.next, struct request, queuelist);
}
-static void *noop_init_queue(request_queue_t *q, elevator_t *e)
+static void *noop_init_queue(request_queue_t *q)
{
struct noop_data *nd;
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 2fa9f11..a24931d 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -21,11 +21,11 @@
typedef int (elevator_may_queue_fn) (request_queue_t *, int);
typedef int (elevator_set_req_fn) (request_queue_t *, struct request *, gfp_t);
-typedef void (elevator_put_req_fn) (request_queue_t *, struct request *);
+typedef void (elevator_put_req_fn) (struct request *);
typedef void (elevator_activate_req_fn) (request_queue_t *, struct request *);
typedef void (elevator_deactivate_req_fn) (request_queue_t *, struct request *);
-typedef void *(elevator_init_fn) (request_queue_t *, elevator_t *);
+typedef void *(elevator_init_fn) (request_queue_t *);
typedef void (elevator_exit_fn) (elevator_t *);
struct elevator_ops
