diff --git a/fs/bcachefs/btree_write_buffer.c b/fs/bcachefs/btree_write_buffer.c
index d0551a34c8c5..5c1169c78daf 100644
--- a/fs/bcachefs/btree_write_buffer.c
+++ b/fs/bcachefs/btree_write_buffer.c
@@ -484,7 +484,7 @@ static void bch2_btree_write_buffer_flush_work(struct work_struct *work)
 	bch2_write_ref_put(c, BCH_WRITE_REF_btree_write_buffer);
 }
 
-int __bch2_journal_key_to_wb(struct bch_fs *c,
+int bch2_journal_key_to_wb_slowpath(struct bch_fs *c,
 			     struct journal_keys_to_wb *dst,
 			     enum btree_id btree, struct bkey_i *k)
 {
diff --git a/fs/bcachefs/btree_write_buffer.h b/fs/bcachefs/btree_write_buffer.h
index 1f645f529ed2..eebcd2b15249 100644
--- a/fs/bcachefs/btree_write_buffer.h
+++ b/fs/bcachefs/btree_write_buffer.h
@@ -29,7 +29,7 @@ struct journal_keys_to_wb {
 	u64				seq;
 };
 
-int __bch2_journal_key_to_wb(struct bch_fs *,
+int bch2_journal_key_to_wb_slowpath(struct bch_fs *,
 			     struct journal_keys_to_wb *,
 			     enum btree_id, struct bkey_i *);
 
@@ -40,7 +40,7 @@ static inline int bch2_journal_key_to_wb(struct bch_fs *c,
 	EBUG_ON(!dst->seq);
 
 	if (unlikely(!dst->room))
-		return __bch2_journal_key_to_wb(c, dst, btree, k);
+		return bch2_journal_key_to_wb_slowpath(c, dst, btree, k);
 
 	struct btree_write_buffered_key *wb_k = &darray_top(dst->wb->keys);
 	wb_k->journal_seq	= dst->seq;