blk-mq: rename blk_mq_sysfs_{,un}register

Add a _hctx postfix to better describe what the functions do, match
the debugfs equivalents and release the old names for functions that
should be using them.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220628171850.1313069-6-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

block/blk-mq-sysfs.c

@@ -288,7 +288,7 @@ int __blk_mq_register_dev(struct device *dev, struct request_queue *q)
 	return ret;
 }
 
-void blk_mq_sysfs_unregister(struct request_queue *q)
+void blk_mq_sysfs_unregister_hctxs(struct request_queue *q)
 {
 	struct blk_mq_hw_ctx *hctx;
 	unsigned long i;
@@ -304,7 +304,7 @@ void blk_mq_sysfs_unregister(struct request_queue *q)
 	mutex_unlock(&q->sysfs_dir_lock);
 }
 
-int blk_mq_sysfs_register(struct request_queue *q)
+int blk_mq_sysfs_register_hctxs(struct request_queue *q)
 {
 	struct blk_mq_hw_ctx *hctx;
 	unsigned long i;

block/blk-mq.c

@@ -4559,7 +4559,7 @@ static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set,
 
 	list_for_each_entry(q, &set->tag_list, tag_set_list) {
 		blk_mq_debugfs_unregister_hctxs(q);
-		blk_mq_sysfs_unregister(q);
+		blk_mq_sysfs_unregister_hctxs(q);
 	}
 
 	prev_nr_hw_queues = set->nr_hw_queues;
@@ -4590,7 +4590,7 @@ static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set,
 
 reregister:
 	list_for_each_entry(q, &set->tag_list, tag_set_list) {
-		blk_mq_sysfs_register(q);
+		blk_mq_sysfs_register_hctxs(q);
 		blk_mq_debugfs_register_hctxs(q);
 	}
 

block/blk-mq.h

@@ -119,8 +119,8 @@ static inline struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *q,
 extern void blk_mq_sysfs_init(struct request_queue *q);
 extern void blk_mq_sysfs_deinit(struct request_queue *q);
 extern int __blk_mq_register_dev(struct device *dev, struct request_queue *q);
-extern int blk_mq_sysfs_register(struct request_queue *q);
-extern void blk_mq_sysfs_unregister(struct request_queue *q);
+int blk_mq_sysfs_register_hctxs(struct request_queue *q);
+void blk_mq_sysfs_unregister_hctxs(struct request_queue *q);
 extern void blk_mq_hctx_kobj_init(struct blk_mq_hw_ctx *hctx);
 void blk_mq_free_plug_rqs(struct blk_plug *plug);
 void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule);