Searched refs:cow_bitmap (Results 1 – 1 of 1) sorted by relevance
48 uint8_t *cow_bitmap; /* if non NULL, COW mappings are used first */ member105 s->cow_bitmap = s->cow_bitmap_addr + sizeof(cow_header); in cow_open()151 return is_changed(s->cow_bitmap, sector_num, nb_sectors, pnum); in cow_is_allocated()161 if (is_changed(s->cow_bitmap, sector_num, nb_sectors, &n)) { in cow_read()194 cow_set_bit(s->cow_bitmap, sector_num + i); in cow_write()