On Mon 07 Aug 2017 04:45:35 PM CEST, Markus Armbruster wrote: > Sizes and byte rates should use QAPI type 'size' (uint64_t). > BlockIOThrottle and BlockDeviceInfo members @bps, @bps_rd, @bps_wr, > @bps_max, @bps_rd_max, @bps_wr_max, @iops_size are 'int' (int64_t). > qmp_block_set_io_throttle() and bdrv_block_device_info() copy @bps, > @bps_rd, @bps_wr to / from LeakyBucket member @avg (implicit > conversion to / from double), @bps_max, @bps_rd_max, @bps_wr_max to / > from LeakyBucket member @max (implicit conversion to / from double), > and @iops_size to / from ThrottleConfig member op_size (implicit > conversion to / from uint64_t). > > Change these BlockIOThrottle and BlockDeviceInfo members to 'size'. > > block_set_io_throttle now accepts sizes and rates between 2^63 and > 2^64-1. It accepts negative values as before, because that's how the > QObject input visitor works for backward compatibility. > > Doing the same for HMP's block_set_io_throttle deserves its own commit > (the next one). > > query-block and query-named-block-nodes now report sizes and rates > above 2^63-1 correctly instead of their (negative) two's complement. > > So does HMP's "info block". > > Signed-off-by: Markus Armbruster <arm...@redhat.com>
This is fine because all those parameters are limited to [0, 10^15], so changing int64_t -> uint64_t is not a problem. I have already sent a patch that changes the fields in the data structure in throttle.h from double to uint64_t Reviewed-by: Alberto Garcia <be...@igalia.com> Berto