blk-mq: Move the "state" debugfs attribute one level down

Move the "state" attribute from the top level to the "mq" directory
as requested by Omar.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

block/blk-mq-debugfs.c

@@ -141,11 +141,6 @@ static const struct file_operations blk_queue_flags_fops = {
 	.write		= blk_queue_flags_store,
 };
 
-static const struct blk_mq_debugfs_attr blk_queue_attrs[] = {
-	{"state", 0600, &blk_queue_flags_fops},
-	{},
-};
-
 static void print_stat(struct seq_file *m, struct blk_rq_stat *stat)
 {
 	if (stat->nr_samples) {
@@ -757,6 +752,7 @@ static const struct file_operations ctx_completed_fops = {
 
 static const struct blk_mq_debugfs_attr blk_mq_debugfs_queue_attrs[] = {
 	{"poll_stat", 0400, &queue_poll_stat_fops},
+	{"state", 0600, &blk_queue_flags_fops},
 	{},
 };
 
@@ -873,9 +869,6 @@ int blk_mq_debugfs_register_mq(struct request_queue *q)
 	if (!q->debugfs_dir)
 		return -ENOENT;
 
-	if (!debugfs_create_files(q->debugfs_dir, q, blk_queue_attrs))
-		goto err;
-
 	q->mq_debugfs_dir = debugfs_create_dir("mq", q->debugfs_dir);
 	if (!q->mq_debugfs_dir)
 		goto err;