[libvirt] [PATCH 42/47] vircgroup: extract virCgroupV1(Set|Get)FreezerState

[Fabiano Fidêncio]

On Tue, Sep 18, 2018 at 5:46 PM, Pavel Hrdina <phrdina at redhat.com> wrote:

> Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
>

Reviewed-by: Fabiano Fidêncio <fidencio at redhat.com>


> ---
>  src/util/vircgroup.c        |  8 ++------
>  src/util/vircgroupbackend.h | 11 +++++++++++
>  src/util/vircgroupv1.c      | 23 +++++++++++++++++++++++
>  3 files changed, 36 insertions(+), 6 deletions(-)
>
> diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
> index 9ba2318c0b..8744cd067d 100644
> --- a/src/util/vircgroup.c
> +++ b/src/util/vircgroup.c
> @@ -2605,18 +2605,14 @@ virCgroupGetCpuacctStat(virCgroupPtr group,
> unsigned long long *user,
>  int
>  virCgroupSetFreezerState(virCgroupPtr group, const char *state)
>  {
> -    return virCgroupSetValueStr(group,
> -                                VIR_CGROUP_CONTROLLER_FREEZER,
> -                                "freezer.state", state);
> +    VIR_CGROUP_BACKEND_CALL(group, setFreezerState, -1, state);
>  }
>
>
>  int
>  virCgroupGetFreezerState(virCgroupPtr group, char **state)
>  {
> -    return virCgroupGetValueStr(group,
> -                                VIR_CGROUP_CONTROLLER_FREEZER,
> -                                "freezer.state", state);
> +    VIR_CGROUP_BACKEND_CALL(group, getFreezerState, -1, state);
>  }
>
>
> diff --git a/src/util/vircgroupbackend.h b/src/util/vircgroupbackend.h
> index a80ad0b5d3..0369b48f2b 100644
> --- a/src/util/vircgroupbackend.h
> +++ b/src/util/vircgroupbackend.h
> @@ -308,6 +308,14 @@ typedef int
>                               unsigned long long *user,
>                               unsigned long long *sys);
>
> +typedef int
> +(*virCgroupSetFreezerStateCB)(virCgroupPtr group,
> +                              const char *state);
> +
> +typedef int
> +(*virCgroupGetFreezerStateCB)(virCgroupPtr group,
> +                              char **state);
> +
>  struct _virCgroupBackend {
>      virCgroupBackendType type;
>
> @@ -374,6 +382,9 @@ struct _virCgroupBackend {
>      virCgroupGetCpuacctUsageCB getCpuacctUsage;
>      virCgroupGetCpuacctPercpuUsageCB getCpuacctPercpuUsage;
>      virCgroupGetCpuacctStatCB getCpuacctStat;
> +
> +    virCgroupSetFreezerStateCB setFreezerState;
> +    virCgroupGetFreezerStateCB getFreezerState;
>  };
>  typedef struct _virCgroupBackend virCgroupBackend;
>  typedef virCgroupBackend *virCgroupBackendPtr;
> diff --git a/src/util/vircgroupv1.c b/src/util/vircgroupv1.c
> index f99cf5c6d6..a1b2f3eb23 100644
> --- a/src/util/vircgroupv1.c
> +++ b/src/util/vircgroupv1.c
> @@ -1923,6 +1923,26 @@ virCgroupV1GetCpuacctStat(virCgroupPtr group,
>  }
>
>
> +static int
> +virCgroupV1SetFreezerState(virCgroupPtr group,
> +                           const char *state)
> +{
> +    return virCgroupSetValueStr(group,
> +                                VIR_CGROUP_CONTROLLER_FREEZER,
> +                                "freezer.state", state);
> +}
> +
> +
> +static int
> +virCgroupV1GetFreezerState(virCgroupPtr group,
> +                           char **state)
> +{
> +    return virCgroupGetValueStr(group,
> +                                VIR_CGROUP_CONTROLLER_FREEZER,
> +                                "freezer.state", state);
> +}
> +
> +
>  virCgroupBackend virCgroupV1Backend = {
>      .type = VIR_CGROUP_BACKEND_TYPE_V1,
>
> @@ -1987,6 +2007,9 @@ virCgroupBackend virCgroupV1Backend = {
>      .getCpuacctUsage = virCgroupV1GetCpuacctUsage,
>      .getCpuacctPercpuUsage = virCgroupV1GetCpuacctPercpuUsage,
>      .getCpuacctStat = virCgroupV1GetCpuacctStat,
> +
> +    .setFreezerState = virCgroupV1SetFreezerState,
> +    .getFreezerState = virCgroupV1GetFreezerState,
>  };
>
>
> --
> 2.17.1
>
> --
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