bdrv_inc_in_flight(dst->bs);
tracked_request_begin(&req, dst->bs, dst_offset, bytes,
BDRV_TRACKED_WRITE);
-
- /* BDRV_REQ_NO_SERIALISING is only for read operation */
- assert(!(write_flags & BDRV_REQ_NO_SERIALISING));
- if (write_flags & BDRV_REQ_SERIALISING) {
- mark_request_serialising(&req, bdrv_get_cluster_size(dst->bs));
- }
- wait_serialising_requests(&req);
-
- ret = dst->bs->drv->bdrv_co_copy_range_to(dst->bs,
- src, src_offset,
- dst, dst_offset,
- bytes,
- read_flags, write_flags);
-
+ ret = bdrv_co_write_req_prepare(dst, dst_offset, bytes, &req,
+ write_flags);
+ if (!ret) {
+ ret = dst->bs->drv->bdrv_co_copy_range_to(dst->bs,
+ src, src_offset,
+ dst, dst_offset,
+ bytes,
+ read_flags, write_flags);
+ }
+ bdrv_co_write_req_finish(dst, dst_offset, bytes, &req, ret);
tracked_request_end(&req);
bdrv_dec_in_flight(dst->bs);
}