diff options
Diffstat (limited to 'block/elevator.c')
| -rw-r--r-- | block/elevator.c | 55 |
1 files changed, 29 insertions, 26 deletions
diff --git a/block/elevator.c b/block/elevator.c index ff60177a3bab..98259eda0ef6 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -65,7 +65,7 @@ DEFINE_TRACE(block_rq_issue); static int elv_iosched_allow_merge(struct request *rq, struct bio *bio) { struct request_queue *q = rq->q; - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; if (e->ops->elevator_allow_merge_fn) return e->ops->elevator_allow_merge_fn(q, rq, bio); @@ -208,13 +208,13 @@ __setup("elevator=", elevator_setup); static struct kobj_type elv_ktype; -static elevator_t *elevator_alloc(struct request_queue *q, +static struct elevator_queue *elevator_alloc(struct request_queue *q, struct elevator_type *e) { - elevator_t *eq; + struct elevator_queue *eq; int i; - eq = kmalloc_node(sizeof(elevator_t), GFP_KERNEL | __GFP_ZERO, q->node); + eq = kmalloc_node(sizeof(*eq), GFP_KERNEL | __GFP_ZERO, q->node); if (unlikely(!eq)) goto err; @@ -240,8 +240,9 @@ err: static void elevator_release(struct kobject *kobj) { - elevator_t *e = container_of(kobj, elevator_t, kobj); + struct elevator_queue *e; + e = container_of(kobj, struct elevator_queue, kobj); elevator_put(e->elevator_type); kfree(e->hash); kfree(e); @@ -297,7 +298,7 @@ int elevator_init(struct request_queue *q, char *name) } EXPORT_SYMBOL(elevator_init); -void elevator_exit(elevator_t *e) +void elevator_exit(struct elevator_queue *e) { mutex_lock(&e->sysfs_lock); if (e->ops->elevator_exit_fn) @@ -311,7 +312,7 @@ EXPORT_SYMBOL(elevator_exit); static void elv_activate_rq(struct request_queue *q, struct request *rq) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; if (e->ops->elevator_activate_req_fn) e->ops->elevator_activate_req_fn(q, rq); @@ -319,7 +320,7 @@ static void elv_activate_rq(struct request_queue *q, struct request *rq) static void elv_deactivate_rq(struct request_queue *q, struct request *rq) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; if (e->ops->elevator_deactivate_req_fn) e->ops->elevator_deactivate_req_fn(q, rq); @@ -338,7 +339,7 @@ static void elv_rqhash_del(struct request_queue *q, struct request *rq) static void elv_rqhash_add(struct request_queue *q, struct request *rq) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; BUG_ON(ELV_ON_HASH(rq)); hlist_add_head(&rq->hash, &e->hash[ELV_HASH_FN(rq_hash_key(rq))]); @@ -352,7 +353,7 @@ static void elv_rqhash_reposition(struct request_queue *q, struct request *rq) static struct request *elv_rqhash_find(struct request_queue *q, sector_t offset) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; struct hlist_head *hash_list = &e->hash[ELV_HASH_FN(offset)]; struct hlist_node *entry, *next; struct request *rq; @@ -494,7 +495,7 @@ EXPORT_SYMBOL(elv_dispatch_add_tail); int elv_merge(struct request_queue *q, struct request **req, struct bio *bio) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; struct request *__rq; int ret; @@ -529,7 +530,7 @@ int elv_merge(struct request_queue *q, struct request **req, struct bio *bio) void elv_merged_request(struct request_queue *q, struct request *rq, int type) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; if (e->ops->elevator_merged_fn) e->ops->elevator_merged_fn(q, rq, type); @@ -543,7 +544,7 @@ void elv_merged_request(struct request_queue *q, struct request *rq, int type) void elv_merge_requests(struct request_queue *q, struct request *rq, struct request *next) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; if (e->ops->elevator_merge_req_fn) e->ops->elevator_merge_req_fn(q, rq, next); @@ -846,7 +847,7 @@ void elv_dequeue_request(struct request_queue *q, struct request *rq) int elv_queue_empty(struct request_queue *q) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; if (!list_empty(&q->queue_head)) return 0; @@ -860,7 +861,7 @@ EXPORT_SYMBOL(elv_queue_empty); struct request *elv_latter_request(struct request_queue *q, struct request *rq) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; if (e->ops->elevator_latter_req_fn) return e->ops->elevator_latter_req_fn(q, rq); @@ -869,7 +870,7 @@ struct request *elv_latter_request(struct request_queue *q, struct request *rq) struct request *elv_former_request(struct request_queue *q, struct request *rq) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; if (e->ops->elevator_former_req_fn) return e->ops->elevator_former_req_fn(q, rq); @@ -878,7 +879,7 @@ struct request *elv_former_request(struct request_queue *q, struct request *rq) int elv_set_request(struct request_queue *q, struct request *rq, gfp_t gfp_mask) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; if (e->ops->elevator_set_req_fn) return e->ops->elevator_set_req_fn(q, rq, gfp_mask); @@ -889,7 +890,7 @@ int elv_set_request(struct request_queue *q, struct request *rq, gfp_t gfp_mask) void elv_put_request(struct request_queue *q, struct request *rq) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; if (e->ops->elevator_put_req_fn) e->ops->elevator_put_req_fn(rq); @@ -897,7 +898,7 @@ void elv_put_request(struct request_queue *q, struct request *rq) int elv_may_queue(struct request_queue *q, int rw) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; if (e->ops->elevator_may_queue_fn) return e->ops->elevator_may_queue_fn(q, rw); @@ -920,7 +921,7 @@ EXPORT_SYMBOL(elv_abort_queue); void elv_completed_request(struct request_queue *q, struct request *rq) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; /* * request is released from the driver, io must be done @@ -955,13 +956,14 @@ void elv_completed_request(struct request_queue *q, struct request *rq) static ssize_t elv_attr_show(struct kobject *kobj, struct attribute *attr, char *page) { - elevator_t *e = container_of(kobj, elevator_t, kobj); struct elv_fs_entry *entry = to_elv(attr); + struct elevator_queue *e; ssize_t error; if (!entry->show) return -EIO; + e = container_of(kobj, struct elevator_queue, kobj); mutex_lock(&e->sysfs_lock); error = e->ops ? entry->show(e, page) : -ENOENT; mutex_unlock(&e->sysfs_lock); @@ -972,13 +974,14 @@ static ssize_t elv_attr_store(struct kobject *kobj, struct attribute *attr, const char *page, size_t length) { - elevator_t *e = container_of(kobj, elevator_t, kobj); struct elv_fs_entry *entry = to_elv(attr); + struct elevator_queue *e; ssize_t error; if (!entry->store) return -EIO; + e = container_of(kobj, struct elevator_queue, kobj); mutex_lock(&e->sysfs_lock); error = e->ops ? entry->store(e, page, length) : -ENOENT; mutex_unlock(&e->sysfs_lock); @@ -997,7 +1000,7 @@ static struct kobj_type elv_ktype = { int elv_register_queue(struct request_queue *q) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; int error; error = kobject_add(&e->kobj, &q->kobj, "%s", "iosched"); @@ -1015,7 +1018,7 @@ int elv_register_queue(struct request_queue *q) return error; } -static void __elv_unregister_queue(elevator_t *e) +static void __elv_unregister_queue(struct elevator_queue *e) { kobject_uevent(&e->kobj, KOBJ_REMOVE); kobject_del(&e->kobj); @@ -1078,7 +1081,7 @@ EXPORT_SYMBOL_GPL(elv_unregister); */ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e) { - elevator_t *old_elevator, *e; + struct elevator_queue *old_elevator, *e; void *data; /* @@ -1184,7 +1187,7 @@ ssize_t elv_iosched_store(struct request_queue *q, const char *name, ssize_t elv_iosched_show(struct request_queue *q, char *name) { - elevator_t *e = q->elevator; + struct elevator_queue *e = q->elevator; struct elevator_type *elv = e->elevator_type; struct elevator_type *__e; int len = 0; |