R5_OVERWRITE
if (dev->towrite && !test_bit(R5_OVERWRITE, &dev->flags) &&
clear_bit(R5_OVERWRITE, &dev->flags);
if (!test_bit(R5_OVERWRITE, &dev->flags) &&
if (!test_and_set_bit(R5_OVERWRITE, &sh->dev[dd_idx].flags))
(dev->towrite && !test_bit(R5_OVERWRITE, &dev->flags)))
!test_bit(R5_OVERWRITE, &fdev[i]->flags))
!test_bit(R5_OVERWRITE, &fdev[i]->flags))
if (!test_bit(R5_OVERWRITE, &dev->flags) &&
if (!test_bit(R5_OVERWRITE, &dev->flags) &&
if (!test_bit(R5_OVERWRITE, &dev->flags))
set_bit(R5_OVERWRITE, &sh->dev[d].flags);