Re: [Qemu-devel] [PATCH v11 3/6] qmp: factor out throttle code to reuse code

[Greg Kurz <groug@kaod.org>]

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On Thu, 14 Sep 2017 06:40:07 -0400
Pradeep Jagadeesh <pradeepkiruvale@gmail.com> wrote:

> This patch reuses the code to set throttle limits.
> 
> Signed-off-by: Pradeep Jagadeesh <pradeep.jagadeesh@huawei.com>
> Reviewed-by: Alberto Garcia <berto@igalia.com>
> Reviewed-by: Greg Kurz <groug@kaod.org>
> ---
>  blockdev.c | 53 +++--------------------------------------------------

Same remarks as for the previous patch...

>  1 file changed, 3 insertions(+), 50 deletions(-)
> 
> diff --git a/blockdev.c b/blockdev.c
> index 9d33c25..2bd8ebd 100644
> --- a/blockdev.c
> +++ b/blockdev.c
> @@ -2569,6 +2569,7 @@ void qmp_block_set_io_throttle(BlockIOThrottle *arg, Error **errp)
>      BlockDriverState *bs;
>      BlockBackend *blk;
>      AioContext *aio_context;
> +    ThrottleLimits *tlimit;
>  
>      blk = qmp_get_blk(arg->has_device ? arg->device : NULL,
>                        arg->has_id ? arg->id : NULL,
> @@ -2586,56 +2587,8 @@ void qmp_block_set_io_throttle(BlockIOThrottle *arg, Error **errp)
>          goto out;
>      }
>  
> -    throttle_config_init(&cfg);
> -    cfg.buckets[THROTTLE_BPS_TOTAL].avg = arg->bps;
> -    cfg.buckets[THROTTLE_BPS_READ].avg  = arg->bps_rd;
> -    cfg.buckets[THROTTLE_BPS_WRITE].avg = arg->bps_wr;
> -
> -    cfg.buckets[THROTTLE_OPS_TOTAL].avg = arg->iops;
> -    cfg.buckets[THROTTLE_OPS_READ].avg  = arg->iops_rd;
> -    cfg.buckets[THROTTLE_OPS_WRITE].avg = arg->iops_wr;
> -
> -    if (arg->has_bps_max) {
> -        cfg.buckets[THROTTLE_BPS_TOTAL].max = arg->bps_max;
> -    }
> -    if (arg->has_bps_rd_max) {
> -        cfg.buckets[THROTTLE_BPS_READ].max = arg->bps_rd_max;
> -    }
> -    if (arg->has_bps_wr_max) {
> -        cfg.buckets[THROTTLE_BPS_WRITE].max = arg->bps_wr_max;
> -    }
> -    if (arg->has_iops_max) {
> -        cfg.buckets[THROTTLE_OPS_TOTAL].max = arg->iops_max;
> -    }
> -    if (arg->has_iops_rd_max) {
> -        cfg.buckets[THROTTLE_OPS_READ].max = arg->iops_rd_max;
> -    }
> -    if (arg->has_iops_wr_max) {
> -        cfg.buckets[THROTTLE_OPS_WRITE].max = arg->iops_wr_max;
> -    }
> -
> -    if (arg->has_bps_max_length) {
> -        cfg.buckets[THROTTLE_BPS_TOTAL].burst_length = arg->bps_max_length;
> -    }
> -    if (arg->has_bps_rd_max_length) {
> -        cfg.buckets[THROTTLE_BPS_READ].burst_length = arg->bps_rd_max_length;
> -    }
> -    if (arg->has_bps_wr_max_length) {
> -        cfg.buckets[THROTTLE_BPS_WRITE].burst_length = arg->bps_wr_max_length;
> -    }
> -    if (arg->has_iops_max_length) {
> -        cfg.buckets[THROTTLE_OPS_TOTAL].burst_length = arg->iops_max_length;
> -    }
> -    if (arg->has_iops_rd_max_length) {
> -        cfg.buckets[THROTTLE_OPS_READ].burst_length = arg->iops_rd_max_length;
> -    }
> -    if (arg->has_iops_wr_max_length) {
> -        cfg.buckets[THROTTLE_OPS_WRITE].burst_length = arg->iops_wr_max_length;
> -    }
> -
> -    if (arg->has_iops_size) {
> -        cfg.op_size = arg->iops_size;
> -    }
> +    tlimit = qapi_BlockIOThrottle_base(arg);
> +    throttle_config_to_limits(&cfg, tlimit);
>  
>      if (!throttle_is_valid(&cfg, errp)) {
>          goto out;


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