Wen Congyang <we...@cn.fujitsu.com> wrote: > If we set migration speed in a very large value, block-migration will try to > read > all data to the memory. Because > (block_mig_state.submitted + block_mig_state.read_done) * BLOCK_SIZE > will be overflow, and it will be always less than rate limit. > > There is no need to read too many data into memory when the rate limit is > very large. > So limit the memory usage can fix the overflow problem. > > Signed-off-by: Wen Congyang <we...@cn.fujitsu.com>
Reviewed-by: Juan Quintela <quint...@redhat.com> If no block layer maintainer objects, I will apply this to my tree. Later, Juan.
