EXT4_MB_HINT_FIRST
!(ac->ac_flags & EXT4_MB_HINT_FIRST)) {
if (unlikely(ac->ac_flags & EXT4_MB_HINT_FIRST)) {
!(ac->ac_flags & EXT4_MB_HINT_FIRST)) {
ac->ac_flags |= EXT4_MB_HINT_FIRST;
{ EXT4_MB_HINT_FIRST, "HINT_FIRST" }, \