block: remove a few unused exports

Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

block/blk-cgroup.c

@@ -424,7 +424,6 @@ const char *blkg_dev_name(struct blkcg_gq *blkg)
 		return dev_name(blkg->q->backing_dev_info->dev);
 	return NULL;
 }
-EXPORT_SYMBOL_GPL(blkg_dev_name);
 
 /**
  * blkcg_print_blkgs - helper for printing per-blkg data
@@ -860,7 +859,6 @@ int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
 	}
 	return ret;
 }
-EXPORT_SYMBOL_GPL(blkg_conf_prep);
 
 /**
  * blkg_conf_finish - finish up per-blkg config update
@@ -876,7 +874,6 @@ void blkg_conf_finish(struct blkg_conf_ctx *ctx)
 	rcu_read_unlock();
 	put_disk_and_module(ctx->disk);
 }
-EXPORT_SYMBOL_GPL(blkg_conf_finish);
 
 static int blkcg_print_stat(struct seq_file *sf, void *v)
 {
@@ -1691,7 +1688,6 @@ void blkcg_maybe_throttle_current(void)
 	rcu_read_unlock();
 	blk_put_queue(q);
 }
-EXPORT_SYMBOL_GPL(blkcg_maybe_throttle_current);
 
 /**
  * blkcg_schedule_throttle - this task needs to check for throttling
@@ -1725,7 +1721,6 @@ void blkcg_schedule_throttle(struct request_queue *q, bool use_memdelay)
 		current->use_memdelay = use_memdelay;
 	set_notify_resume(current);
 }
-EXPORT_SYMBOL_GPL(blkcg_schedule_throttle);
 
 /**
  * blkcg_add_delay - add delay to this blkg
@@ -1740,7 +1735,6 @@ void blkcg_add_delay(struct blkcg_gq *blkg, u64 now, u64 delta)
 	blkcg_scale_delay(blkg, now);
 	atomic64_add(delta, &blkg->delay_nsec);
 }
-EXPORT_SYMBOL_GPL(blkcg_add_delay);
 
 module_param(blkcg_debug_stats, bool, 0644);
 MODULE_PARM_DESC(blkcg_debug_stats, "True if you want debug stats, false if not");

block/blk-ioc.c

@@ -28,7 +28,6 @@ void get_io_context(struct io_context *ioc)
 	BUG_ON(atomic_long_read(&ioc->refcount) <= 0);
 	atomic_long_inc(&ioc->refcount);
 }
-EXPORT_SYMBOL(get_io_context);
 
 static void icq_free_icq_rcu(struct rcu_head *head)
 {
@@ -160,7 +159,6 @@ void put_io_context(struct io_context *ioc)
 	if (free_ioc)
 		kmem_cache_free(iocontext_cachep, ioc);
 }
-EXPORT_SYMBOL(put_io_context);
 
 /**
  * put_io_context_active - put active reference on ioc
@@ -315,7 +313,6 @@ struct io_context *get_task_io_context(struct task_struct *task,
 
 	return NULL;
 }
-EXPORT_SYMBOL(get_task_io_context);
 
 /**
  * ioc_lookup_icq - lookup io_cq from ioc

block/blk-mq-sysfs.c

@@ -350,7 +350,6 @@ int blk_mq_register_dev(struct device *dev, struct request_queue *q)
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(blk_mq_register_dev);
 
 void blk_mq_sysfs_unregister(struct request_queue *q)
 {

block/blk-softirq.c

@@ -143,7 +143,6 @@ void __blk_complete_request(struct request *req)
 
 	local_irq_restore(flags);
 }
-EXPORT_SYMBOL(__blk_complete_request);
 
 static __init int blk_softirq_init(void)
 {

block/blk-stat.c

@@ -130,7 +130,6 @@ blk_stat_alloc_callback(void (*timer_fn)(struct blk_stat_callback *),
 
 	return cb;
 }
-EXPORT_SYMBOL_GPL(blk_stat_alloc_callback);
 
 void blk_stat_add_callback(struct request_queue *q,
 			   struct blk_stat_callback *cb)
@@ -151,7 +150,6 @@ void blk_stat_add_callback(struct request_queue *q,
 	blk_queue_flag_set(QUEUE_FLAG_STATS, q);
 	spin_unlock(&q->stats->lock);
 }
-EXPORT_SYMBOL_GPL(blk_stat_add_callback);
 
 void blk_stat_remove_callback(struct request_queue *q,
 			      struct blk_stat_callback *cb)
@@ -164,7 +162,6 @@ void blk_stat_remove_callback(struct request_queue *q,
 
 	del_timer_sync(&cb->timer);
 }
-EXPORT_SYMBOL_GPL(blk_stat_remove_callback);
 
 static void blk_stat_free_callback_rcu(struct rcu_head *head)
 {
@@ -181,7 +178,6 @@ void blk_stat_free_callback(struct blk_stat_callback *cb)
 	if (cb)
 		call_rcu(&cb->rcu, blk_stat_free_callback_rcu);
 }
-EXPORT_SYMBOL_GPL(blk_stat_free_callback);
 
 void blk_stat_enable_accounting(struct request_queue *q)
 {

block/blk-wbt.c

@@ -754,8 +754,6 @@ void wbt_disable_default(struct request_queue *q)
 	if (rwb->enable_state == WBT_STATE_ON_DEFAULT)
 		rwb->wb_normal = 0;
 }
-EXPORT_SYMBOL_GPL(wbt_disable_default);
-
 
 static struct rq_qos_ops wbt_rqos_ops = {
 	.throttle = wbt_wait,