diff --git a/.bcachefs_revision b/.bcachefs_revision
index f4299658..de5c4792 100644
--- a/.bcachefs_revision
+++ b/.bcachefs_revision
@@ -1 +1 @@
-275cba438ed6630d5e4db7c9164ac5334a8a4cd7
+a897b0f199b2fb888f5885f115306759199094dd
diff --git a/libbcachefs/btree_io.h b/libbcachefs/btree_io.h
index 1f16394f..337d2bdd 100644
--- a/libbcachefs/btree_io.h
+++ b/libbcachefs/btree_io.h
@@ -114,7 +114,7 @@ static inline void btree_node_write_if_need(struct bch_fs *c, struct btree *b,
 			break;
 		}
 
-		six_unlock_read(&b->lock);
+		six_unlock_type(&b->lock, lock_held);
 		btree_node_wait_on_io(b);
 		btree_node_lock_type(c, b, lock_held);
 	}