bcachefs; Mark __bch2_trans_iter_init as inline

This function is fairly small and only used in two places: one very hot,
the other cold, so it should definitely be inlined.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

fs/bcachefs/btree_iter.c

@@ -2581,12 +2581,12 @@ void bch2_trans_iter_exit(struct btree_trans *trans, struct btree_iter *iter)
 	iter->key_cache_path = NULL;
 }
 
-static void __bch2_trans_iter_init(struct btree_trans *trans,
-				   struct btree_iter *iter,
-				   enum btree_id btree_id, struct bpos pos,
-				   unsigned locks_want,
-				   unsigned depth,
-				   unsigned flags)
+static inline void __bch2_trans_iter_init(struct btree_trans *trans,
+					  struct btree_iter *iter,
+					  enum btree_id btree_id, struct bpos pos,
+					  unsigned locks_want,
+					  unsigned depth,
+					  unsigned flags)
 {
 	if (trans->restarted)
 		panic("bch2_trans_iter_init(): in transaction restart, %s by %pS\n",

fs/bcachefs/btree_update_interior.c

@@ -36,8 +36,7 @@ static struct btree_path *get_unlocked_mut_path(struct btree_trans *trans,
 	struct btree_path *path;
 
 	path = bch2_path_get(trans, btree_id, pos, level + 1, level,
-			     BTREE_ITER_NOPRESERVE|
-			     BTREE_ITER_INTENT);
+			     BTREE_ITER_NOPRESERVE|BTREE_ITER_INTENT);
 	path = bch2_btree_path_make_mut(trans, path, true);
 	bch2_btree_path_downgrade(trans, path);
 	__bch2_btree_path_unlock(trans, path);