__CTR_FLAG_RAID10_COPIES
#define CTR_FLAG_RAID10_COPIES (1 << __CTR_FLAG_RAID10_COPIES)
if (test_and_set_bit(__CTR_FLAG_RAID10_COPIES, &rs->ctr_flags)) {
if (test_bit(__CTR_FLAG_RAID10_COPIES, &rs->ctr_flags))