bcachefs: Fix integer overflow on trans->nr_updates

We can't have more updates than paths, so btree_path_idx_t is the
correct type to use.

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

diff --git a/fs/bcachefs/btree_types.h b/fs/bcachefs/btree_types.h
index 79898f6..b256b2a 100644 (file)
--- a/fs/bcachefs/btree_types.h
+++ b/fs/bcachefs/btree_types.h
@@ -477,8 +477,8 @@ struct btree_trans {
        btree_path_idx_t        nr_sorted;
        btree_path_idx_t        nr_paths;
        btree_path_idx_t        nr_paths_max;
+       btree_path_idx_t        nr_updates;
        u8                      fn_idx;
-       u8                      nr_updates;
        u8                      lock_must_abort;
        bool                    lock_may_not_fail:1;
        bool                    srcu_held:1;