R5_NeedReplace 4444 drivers/md/raid5.c set_bit(R5_NeedReplace, &dev->flags); R5_NeedReplace 4446 drivers/md/raid5.c clear_bit(R5_NeedReplace, &dev->flags); R5_NeedReplace 4910 drivers/md/raid5.c if (test_bit(R5_NeedReplace, &sh->dev[i].flags)) {