Lines Matching defs:segment
1295 static void cowify_req(struct io_thread_req *req, struct io_desc *segment,
1302 if (segment->length > (sizeof(segment->sector_mask) * 8) << SECTOR_SHIFT)
1306 for (i = 0; i < segment->length >> SECTOR_SHIFT; i++) {
1309 &segment->sector_mask);
1312 cowify_bitmap(offset, segment->length, &segment->sector_mask,
1313 &segment->cow_offset, bitmap, bitmap_offset,
1314 segment->bitmap_words, bitmap_len);
1520 static int update_bitmap(struct io_thread_req *req, struct io_desc *segment)
1524 if (segment->cow_offset == -1)
1527 n = os_pwrite_file(req->fds[1], &segment->bitmap_words,
1528 sizeof(segment->bitmap_words), segment->cow_offset);
1529 if (n != sizeof(segment->bitmap_words))