bcachefs: Remove unused parameter

iter here is unused, remove it.
Signed-off-by: Alan Huang <mmpgouride@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

fs/bcachefs/bset.c

@@ -969,7 +969,6 @@ static void bch2_bset_fix_lookup_table(struct btree *b,
 }
 
 void bch2_bset_insert(struct btree *b,
-		      struct btree_node_iter *iter,
 		      struct bkey_packed *where,
 		      struct bkey_i *insert,
 		      unsigned clobber_u64s)

fs/bcachefs/bset.h

@@ -270,8 +270,8 @@ void bch2_bset_init_first(struct btree *, struct bset *);
 void bch2_bset_init_next(struct btree *, struct btree_node_entry *);
 void bch2_bset_build_aux_tree(struct btree *, struct bset_tree *, bool);
 
-void bch2_bset_insert(struct btree *, struct btree_node_iter *,
-		     struct bkey_packed *, struct bkey_i *, unsigned);
+void bch2_bset_insert(struct btree *, struct bkey_packed *, struct bkey_i *,
+		      unsigned);
 void bch2_bset_delete(struct btree *, struct bkey_packed *, unsigned);
 
 /* Bkey utility code */

fs/bcachefs/btree_trans_commit.c

@@ -214,7 +214,7 @@ bool bch2_btree_bset_insert_key(struct btree_trans *trans,
 
 	k = bch2_btree_node_iter_bset_pos(node_iter, b, bset_tree_last(b));
 overwrite:
-	bch2_bset_insert(b, node_iter, k, insert, clobber_u64s);
+	bch2_bset_insert(b, k, insert, clobber_u64s);
 	new_u64s = k->u64s;
 fix_iter:
 	if (clobber_u64s != new_u64s)