[libvirt] [PATCH V2 3/8] Store max migration bandwidth in qemuDomainObjPrivate struct

Daniel Veillard veillard at redhat.com
Fri Sep 16 10:14:33 UTC 2011


On Thu, Sep 01, 2011 at 02:42:53PM -0600, Jim Fehlig wrote:
> From: Jim Fehlig <jfehlig at novell.com>
> 
> The maximum bandwidth that can be consumed when migrating a domain
> is better classified as an operational vs configuration parameter of
> the dommain.  As such, store this parameter in qemuDomainObjPrivate
> structure.
> ---
>  src/qemu/qemu_domain.c |    2 ++
>  src/qemu/qemu_domain.h |    4 ++++
>  2 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
> index 675c6df..f4110c7 100644
> --- a/src/qemu/qemu_domain.c
> +++ b/src/qemu/qemu_domain.c
> @@ -215,6 +215,8 @@ static void *qemuDomainObjPrivateAlloc(void)
>      if (qemuDomainObjInitJob(priv) < 0)
>          VIR_FREE(priv);
>  
> +    priv->migMaxBandwidth = QEMU_DOMAIN_DEFAULT_MIG_BANDWIDTH_MAX;
> +
>      return priv;
>  }
>  
> diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
> index e12ca8e..2aeed43 100644
> --- a/src/qemu/qemu_domain.h
> +++ b/src/qemu/qemu_domain.h
> @@ -36,6 +36,9 @@
>       (1 << VIR_DOMAIN_VIRT_KVM) |      \
>       (1 << VIR_DOMAIN_VIRT_XEN))
>  
> +# define QEMU_DOMAIN_DEFAULT_MIG_BANDWIDTH_MAX (32 << 20)
> +# define QEMU_DOMAIN_FILE_MIG_BANDWIDTH_MAX    (INT64_MAX / (1024 * 1024))
> +
>  # define JOB_MASK(job)                  (1 << (job - 1))
>  # define DEFAULT_JOB_MASK               \
>      (JOB_MASK(QEMU_JOB_QUERY) |         \
> @@ -113,6 +116,7 @@ struct _qemuDomainObjPrivate {
>      char *lockState;
>  
>      bool fakeReboot;
> +    unsigned long migMaxBandwidth;
>  };
>  
>  struct qemuDomainWatchdogEvent

  V2 Following Dan suggestion, yes looks right to me,

  ACK,

Daniel

-- 
Daniel Veillard      | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
daniel at veillard.com  | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library  http://libvirt.org/




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