51 struct io_desc {  struct
69 	struct io_desc io_desc[];  member
1235 static void cowify_req(struct io_thread_req *req, struct io_desc *segment,  in cowify_req()
1268 		io_req->io_desc[0].buffer = NULL;  in ubd_map_req()
1269 		io_req->io_desc[0].length = blk_rq_bytes(req);  in ubd_map_req()
1274 			io_req->io_desc[i].buffer = bvec_virt(&bvec);  in ubd_map_req()
1275 			io_req->io_desc[i].length = bvec.bv_len;  in ubd_map_req()
1282 			cowify_req(io_req, &io_req->io_desc[i], byte_offset,  in ubd_map_req()
1285 			byte_offset += io_req->io_desc[i].length;  in ubd_map_req()
1298 			 (desc_cnt * sizeof(struct io_desc)),  in ubd_alloc_req()
1316 		io_req->io_desc[i].sector_mask = 0;  in ubd_alloc_req()
1317 		io_req->io_desc[i].cow_offset = -1;  in ubd_alloc_req()
1459 static int update_bitmap(struct io_thread_req *req, struct io_desc *segment)  in update_bitmap()
1474 static void do_io(struct io_thread_req *req, struct io_desc *desc)  in do_io()
1587 				do_io(req, &(req->io_desc[i]));  in io_thread()