* entries @a and @b by comparing their sequence numer. Returns %1 if @a has
* greater sequence number and %-1 otherwise.
*/
-static int replay_entries_cmp(void *priv, struct list_head *a,
- struct list_head *b)
+static int replay_entries_cmp(void *priv, const struct list_head *a,
+ const struct list_head *b)
{
struct ubifs_info *c = priv;
struct replay_entry *ra, *rb;