EXT4_MB_HINT_NOPREALLOC 2958 fs/ext4/mballoc.c if (ac->ac_flags & EXT4_MB_HINT_NOPREALLOC) EXT4_MB_HINT_NOPREALLOC 4308 fs/ext4/mballoc.c ar->flags |= EXT4_MB_HINT_NOPREALLOC;