EXT4_MB_HINT_NOPREALLOC
ar.flags |= EXT4_MB_HINT_NOPREALLOC;
if (ac->ac_flags & EXT4_MB_HINT_NOPREALLOC)
ac->ac_flags |= EXT4_MB_HINT_NOPREALLOC;
ar->flags |= EXT4_MB_HINT_NOPREALLOC;
{ EXT4_MB_HINT_NOPREALLOC, "HINT_NOPREALLOC" }, \