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authorChristoph Hellwig <hch@lst.de>2018-05-31 19:11:38 +0200
committerJens Axboe <axboe@kernel.dk>2018-06-01 07:38:17 -0600
commitddb7253254fee6922764043101f8b28b6a00595d (patch)
tree07463c68dc65a1dbc0de3398d9145320f31ec41a /block
parenta8a275c9c2fb6bc9b45ad3e4187469726e2af7d1 (diff)
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block: remove the always unused name argument to elevator_init
Reported-by: Damien Le Moal <Damien.LeMoal@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Tested-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/blk-core.c2
-rw-r--r--block/blk-mq-sched.c2
-rw-r--r--block/blk.h2
-rw-r--r--block/elevator.c10
4 files changed, 5 insertions, 11 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index b00e7e6340ca..18b691c93b63 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1179,7 +1179,7 @@ int blk_init_allocated_queue(struct request_queue *q)
mutex_lock(&q->sysfs_lock);
/* init elevator */
- if (elevator_init(q, NULL)) {
+ if (elevator_init(q)) {
mutex_unlock(&q->sysfs_lock);
goto out_exit_flush_rq;
}
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
index b0f2c2a40a0c..fd4f68d61df0 100644
--- a/block/blk-mq-sched.c
+++ b/block/blk-mq-sched.c
@@ -653,7 +653,7 @@ int blk_mq_sched_init(struct request_queue *q)
int ret;
mutex_lock(&q->sysfs_lock);
- ret = elevator_init(q, NULL);
+ ret = elevator_init(q);
mutex_unlock(&q->sysfs_lock);
return ret;
diff --git a/block/blk.h b/block/blk.h
index a559c0532347..ab5ec2dadc7b 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -231,7 +231,7 @@ static inline void elv_deactivate_rq(struct request_queue *q, struct request *rq
e->type->ops.sq.elevator_deactivate_req_fn(q, rq);
}
-int elevator_init(struct request_queue *, char *);
+int elevator_init(struct request_queue *);
void elevator_exit(struct request_queue *, struct elevator_queue *);
int elv_register_queue(struct request_queue *q);
void elv_unregister_queue(struct request_queue *q);
diff --git a/block/elevator.c b/block/elevator.c
index a7baa4687b28..9276540af2a1 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -199,7 +199,7 @@ static void elevator_release(struct kobject *kobj)
kfree(e);
}
-int elevator_init(struct request_queue *q, char *name)
+int elevator_init(struct request_queue *q)
{
struct elevator_type *e = NULL;
int err;
@@ -213,19 +213,13 @@ int elevator_init(struct request_queue *q, char *name)
if (unlikely(q->elevator))
return 0;
- if (name) {
- e = elevator_get(q, name, true);
- if (!e)
- return -EINVAL;
- }
-
/*
* Use the default elevator specified by config boot param for
* non-mq devices, or by config option. Don't try to load modules
* as we could be running off async and request_module() isn't
* allowed from async.
*/
- if (!e && !q->mq_ops && *chosen_elevator) {
+ if (!q->mq_ops && *chosen_elevator) {
e = elevator_get(q, chosen_elevator, false);
if (!e)
printk(KERN_ERR "I/O scheduler %s not found\n",