Lines Matching refs:cow_start
1456 u64 cow_start = (u64)-1;
1515 if (cow_start != (u64)-1)
1516 cur_offset = cow_start;
1612 if (cow_start != (u64)-1)
1613 cur_offset = cow_start;
1642 if (cow_start != (u64)-1)
1643 cur_offset = cow_start;
1670 if (cow_start == (u64)-1)
1671 cow_start = cur_offset;
1682 * COW range from cow_start to found_key.offset - 1. As the key
1686 if (cow_start != (u64)-1) {
1688 cow_start, found_key.offset - 1,
1692 cow_start = (u64)-1;
1765 if (cur_offset <= end && cow_start == (u64)-1)
1766 cow_start = cur_offset;
1768 if (cow_start != (u64)-1) {
1770 ret = fallback_to_cow(inode, locked_page, cow_start, end,