R5_ReadRepl
if (test_bit(R5_ReadRepl, &head_sh->dev[i].flags) && rrdev)
if (test_bit(R5_ReadRepl, &sh->dev[i].flags))
if (test_bit(R5_ReadRepl, &sh->dev[i].flags))
set_bit(R5_ReadRepl, &dev->flags);
clear_bit(R5_ReadRepl, &dev->flags);