[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>

5 files changed, 9 insertions, 10 deletions

diff --git a/block/as-iosched.c b/block/as-iosched.c
index 50b95e4c1425..00242111a457 100644
--- a/block/as-iosched.c
+++ b/block/as-iosched.c
@@ -1317,7 +1317,7 @@ static void as_exit_queue(elevator_t *e)
 /*
  * 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 1d9c3c70a9a0..e9019ed39b73 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1464,8 +1464,7 @@ cfq_update_io_thinktime(struct cfq_data *cfqd, struct cfq_io_context *cic)
 }
 
 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_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq,
         }
 
         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 @@ static int cfq_may_queue(request_queue_t *q, int rw)
 /*
  * 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 @@ static void cfq_exit_queue(elevator_t *e)
         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 b7c5b34cb7b4..6d673e938d3e 100644
--- a/block/deadline-iosched.c
+++ b/block/deadline-iosched.c
@@ -356,7 +356,7 @@ static void deadline_exit_queue(elevator_t *e)
 /*
  * 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 8ccd163254b8..c0063f345c5d 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -129,7 +129,7 @@ static struct elevator_type *elevator_get(const char *name)
 
 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 @@ void elv_put_request(request_queue_t *q, struct request *rq)
         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 79af43179421..1c3de2b9a6b5 100644
--- a/block/noop-iosched.c
+++ b/block/noop-iosched.c
@@ -65,7 +65,7 @@ noop_latter_request(request_queue_t *q, struct request *rq)
         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;