Re: [PATCH 1/6] virsh: cmdVcpuPin: Simplify handling of API flags

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On 02/17/2016 11:25 AM, Peter Krempa wrote:
> Rather than setting flags to -1 if none were specified, move the logic
> to use the old API to the place where we need to decide. It simplifies
> the logic a bit.
> ---
>  tools/virsh-domain.c | 11 ++---------
>  1 file changed, 2 insertions(+), 9 deletions(-)
> 
> diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c
> index 6dd75e2..028df1f 100644
> --- a/tools/virsh-domain.c
> +++ b/tools/virsh-domain.c
> @@ -6432,9 +6432,6 @@ cmdVcpuPin(vshControl *ctl, const vshCmd *cmd)
>          flags |= VIR_DOMAIN_AFFECT_CONFIG;
>      if (live)
>          flags |= VIR_DOMAIN_AFFECT_LIVE;
> -    /* none of the options were specified */
> -    if (!current && !live && !config)
> -        flags = -1;
> 
>      if (vshCommandOptStringReq(ctl, cmd, "cpulist", &cpulist) < 0)
>          return false;
> @@ -6459,11 +6456,6 @@ cmdVcpuPin(vshControl *ctl, const vshCmd *cmd)
> 
>      /* Query mode: show CPU affinity information then exit.*/
>      if (!cpulist) {
> -        /* When query mode and neither "live", "config" nor "current"
> -         * is specified, set VIR_DOMAIN_AFFECT_CURRENT as flags */
> -        if (flags == -1)
> -            flags = VIR_DOMAIN_AFFECT_CURRENT;
> -
>          if ((ncpus = virshCPUCountCollect(ctl, dom, flags, true)) < 0) {
>              if (ncpus == -1) {
>                  if (flags & VIR_DOMAIN_AFFECT_LIVE)
> @@ -6511,7 +6503,8 @@ cmdVcpuPin(vshControl *ctl, const vshCmd *cmd)
>          if (!(cpumap = virshParseCPUList(ctl, &cpumaplen, cpulist, maxcpu)))
>              goto cleanup;
> 
> -        if (flags == -1) {
> +        /* use old API without any explicit flags */
> +        if (flags == 0 && !current) {

s/0/VIR_DOMAIN_AFFECT_CURRENT

Just to be painfully obvious...

ACK -

John
>              if (virDomainPinVcpu(dom, vcpu, cpumap, cpumaplen) != 0)
>                  goto cleanup;
>          } else {
> 

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