Re: [PATCH 04/21] qemu-file: make qemu_file_[sg]et_rate_limit() use an uint64_t

[Cédric Le Goater]

On 5/8/23 15:08, Juan Quintela wrote:
> It is really size_t.  Everything else uses uint64_t, so move this to
> uint64_t as well.  A size can't be negative anyways.
>
> Signed-off-by: Juan Quintela <quintela@redhat.com>
> Message-Id: <20230504113841.23130-4-quintela@redhat.com>



Reviewed-by: Cédric Le Goater <clg@kaod.org>

C. *
> ---
>
> Don't drop the check if rate_limit_max is zero.
> ---
>   migration/qemu-file.c | 6 +++---
>   migration/qemu-file.h | 4 ++--
>   2 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/migration/qemu-file.c b/migration/qemu-file.c
> index 12cf7fb04e..346b683929 100644
> --- a/migration/qemu-file.c
> +++ b/migration/qemu-file.c
> @@ -44,7 +44,7 @@ struct QEMUFile {
>        * Maximum amount of data in bytes to transfer during one
>        * rate limiting time window
>        */
> -    int64_t rate_limit_max;
> +    uint64_t rate_limit_max;
>       /*
>        * Total amount of data in bytes queued for transfer
>        * during this rate limiting time window
> @@ -741,12 +741,12 @@ int qemu_file_rate_limit(QEMUFile *f)
>       return 0;
>   }
>   
> -int64_t qemu_file_get_rate_limit(QEMUFile *f)
> +uint64_t qemu_file_get_rate_limit(QEMUFile *f)
>   {
>       return f->rate_limit_max;
>   }
>   
> -void qemu_file_set_rate_limit(QEMUFile *f, int64_t limit)
> +void qemu_file_set_rate_limit(QEMUFile *f, uint64_t limit)
>   {
>       /*
>        * 'limit' is per second.  But we check it each 100 miliseconds.
> diff --git a/migration/qemu-file.h b/migration/qemu-file.h
> index 4f26bf6961..04ca48cbef 100644
> --- a/migration/qemu-file.h
> +++ b/migration/qemu-file.h
> @@ -138,8 +138,8 @@ void qemu_file_reset_rate_limit(QEMUFile *f);
>    * need to be applied to the rate limiting calcuations
>    */
>   void qemu_file_acct_rate_limit(QEMUFile *f, int64_t len);
> -void qemu_file_set_rate_limit(QEMUFile *f, int64_t new_rate);
> -int64_t qemu_file_get_rate_limit(QEMUFile *f);
> +void qemu_file_set_rate_limit(QEMUFile *f, uint64_t new_rate);
> +uint64_t qemu_file_get_rate_limit(QEMUFile *f);
>   int qemu_file_get_error_obj(QEMUFile *f, Error **errp);
>   int qemu_file_get_error_obj_any(QEMUFile *f1, QEMUFile *f2, Error **errp);
>   void qemu_file_set_error_obj(QEMUFile *f, int ret, Error *err);