#ifdef HAVE_VFS_RENAME_5ARGS
#define ll_vfs_rename(a, b, c, d) vfs_rename(a, b, c, d, NULL)
+#elif defined HAVE_VFS_RENAME_6ARGS
+#define ll_vfs_rename(a, b, c, d) vfs_rename(a, b, c, d, NULL, 0)
#else
#define ll_vfs_rename(a, b, c, d) vfs_rename(a, b, c, d)
#endif
#define ll_vfs_unlink(a, b) vfs_unlink(a, b)
#endif
+#ifndef HAVE_RADIX_EXCEPTION_ENTRY
+static inline int radix_tree_exceptional_entry(void *arg)
+{
+ return 0;
+}
+#endif
+
+#ifndef SIZE_MAX
+#define SIZE_MAX (~(size_t)0)
+#endif
+
#endif /* _COMPAT25_H */