Signed-off-by: John Snow <jsnow@redhat.com>
---
 block/backup.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/block/backup.c b/block/backup.c
index d71b25c017..a5ede5f643 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -334,6 +334,8 @@ static void backup_complete(BlockJob *job, void *opaque)
 
 static bool coroutine_fn yield_and_check(BackupBlockJob *job)
 {
+    uint64_t delay_ns = 0;
+
     if (block_job_is_cancelled(&job->common)) {
         return true;
     }
@@ -342,14 +344,13 @@ static bool coroutine_fn yield_and_check(BackupBlockJob *job)
      * (without, VM does not reboot)
      */
     if (job->common.speed) {
-        uint64_t delay_ns = ratelimit_calculate_delay(&job->limit,
-                                                      job->bytes_read);
+        delay_ns = ratelimit_calculate_delay(&job->limit,
+                                             job->bytes_read);
         job->bytes_read = 0;
-        block_job_sleep_ns(&job->common, delay_ns);
-    } else {
-        block_job_sleep_ns(&job->common, 0);
     }
 
+    block_job_throttle(&job->common, delay_ns);
+
     if (block_job_is_cancelled(&job->common)) {
         return true;
     }
-- 
2.14.3

On 14/12/2017 01:59, John Snow wrote:
> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
>  block/backup.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
> 
> diff --git a/block/backup.c b/block/backup.c
> index d71b25c017..a5ede5f643 100644
> --- a/block/backup.c
> +++ b/block/backup.c
> @@ -334,6 +334,8 @@ static void backup_complete(BlockJob *job, void *opaque)
>  
>  static bool coroutine_fn yield_and_check(BackupBlockJob *job)
>  {
> +    uint64_t delay_ns = 0;
> +
>      if (block_job_is_cancelled(&job->common)) {
>          return true;
>      }
> @@ -342,14 +344,13 @@ static bool coroutine_fn yield_and_check(BackupBlockJob *job)
>       * (without, VM does not reboot)
>       */
>      if (job->common.speed) {
> -        uint64_t delay_ns = ratelimit_calculate_delay(&job->limit,
> -                                                      job->bytes_read);
> +        delay_ns = ratelimit_calculate_delay(&job->limit,
> +                                             job->bytes_read);
>          job->bytes_read = 0;
> -        block_job_sleep_ns(&job->common, delay_ns);
> -    } else {
> -        block_job_sleep_ns(&job->common, 0);
>      }
>  
> +    block_job_throttle(&job->common, delay_ns);
> +
>      if (block_job_is_cancelled(&job->common)) {
>          return true;
>      }
> 

This one is. :)

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>

On Wed, Dec 13, 2017 at 07:59:53PM -0500, John Snow wrote:
> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
>  block/backup.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>