bcachefs: Drop unused export

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

fs/bcachefs/btree_update.h

@@ -12,8 +12,6 @@ void bch2_btree_node_lock_for_insert(struct bch_fs *, struct btree *,
 				     struct btree_iter *);
 bool bch2_btree_bset_insert_key(struct btree_iter *, struct btree *,
 				struct btree_node_iter *, struct bkey_i *);
-void bch2_btree_journal_key(struct btree_trans *, struct btree_iter *,
-			    struct bkey_i *);
 
 enum btree_insert_flags {
 	__BTREE_INSERT_NOUNLOCK,

fs/bcachefs/btree_update_leaf.c

@@ -166,9 +166,9 @@ static inline void __btree_journal_key(struct btree_trans *trans,
 		*trans->journal_seq = seq;
 }
 
-void bch2_btree_journal_key(struct btree_trans *trans,
-			   struct btree_iter *iter,
-			   struct bkey_i *insert)
+static void bch2_btree_journal_key(struct btree_trans *trans,
+				   struct btree_iter *iter,
+				   struct bkey_i *insert)
 {
 	struct bch_fs *c = trans->c;
 	struct journal *j = &c->journal;