On Tue, Sep 18, 2018 at 5:45 PM, Pavel Hrdina <phrdina@redhat.com> wrote:
> Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
>
Reviewed-by: Fabiano Fidêncio <fidencio@redhat.com>
> ---
> src/util/vircgroup.c | 34 ++-----------------------
> src/util/vircgroupbackend.h | 12 +++++++++
> src/util/vircgroupv1.c | 50 +++++++++++++++++++++++++++++++++++++
> 3 files changed, 64 insertions(+), 32 deletions(-)
>
> diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
> index 08b8387fba..ab50342dbb 100644
> --- a/src/util/vircgroup.c
> +++ b/src/util/vircgroup.c
> @@ -1437,19 +1437,7 @@ virCgroupSetBlkioDeviceWriteBps(virCgroupPtr group,
> const char *path,
> unsigned long long wbps)
> {
> - VIR_AUTOFREE(char *) str = NULL;
> - VIR_AUTOFREE(char *) blkstr = NULL;
> -
> - if (!(blkstr = virCgroupGetBlockDevString(path)))
> - return -1;
> -
> - if (virAsprintf(&str, "%s%llu", blkstr, wbps) < 0)
> - return -1;
> -
> - return virCgroupSetValueStr(group,
> - VIR_CGROUP_CONTROLLER_BLKIO,
> - "blkio.throttle.write_bps_device",
> - str);
> + VIR_CGROUP_BACKEND_CALL(group, setBlkioDeviceWriteBps, -1, path,
> wbps);
> }
>
>
> @@ -1531,25 +1519,7 @@ virCgroupGetBlkioDeviceWriteBps(virCgroupPtr group,
> const char *path,
> unsigned long long *wbps)
> {
> - VIR_AUTOFREE(char *) str = NULL;
> -
> - if (virCgroupGetValueForBlkDev(group,
> - VIR_CGROUP_CONTROLLER_BLKIO,
> - "blkio.throttle.write_bps_device",
> - path,
> - &str) < 0)
> - return -1;
> -
> - if (!str) {
> - *wbps = 0;
> - } else if (virStrToLong_ull(str, NULL, 10, wbps) < 0) {
> - virReportError(VIR_ERR_INTERNAL_ERROR,
> - _("Unable to parse '%s' as an integer"),
> - str);
> - return -1;
> - }
> -
> - return 0;
> + VIR_CGROUP_BACKEND_CALL(group, getBlkioDeviceWriteBps, -1, path,
> wbps);
> }
>
> /**
> diff --git a/src/util/vircgroupbackend.h b/src/util/vircgroupbackend.h
> index 3ec9a95327..b59462d6ab 100644
> --- a/src/util/vircgroupbackend.h
> +++ b/src/util/vircgroupbackend.h
> @@ -192,6 +192,16 @@ typedef int
> const char *path,
> unsigned long long *rbps);
>
> +typedef int
> +(*virCgroupSetBlkioDeviceWriteBpsCB)(virCgroupPtr group,
> + const char *path,
> + unsigned long long wbps);
> +
> +typedef int
> +(*virCgroupGetBlkioDeviceWriteBpsCB)(virCgroupPtr group,
> + const char *path,
> + unsigned long long *wbps);
> +
> struct _virCgroupBackend {
> virCgroupBackendType type;
>
> @@ -228,6 +238,8 @@ struct _virCgroupBackend {
> virCgroupGetBlkioDeviceWriteIopsCB getBlkioDeviceWriteIops;
> virCgroupSetBlkioDeviceReadBpsCB setBlkioDeviceReadBps;
> virCgroupGetBlkioDeviceReadBpsCB getBlkioDeviceReadBps;
> + virCgroupSetBlkioDeviceWriteBpsCB setBlkioDeviceWriteBps;
> + virCgroupGetBlkioDeviceWriteBpsCB getBlkioDeviceWriteBps;
> };
> typedef struct _virCgroupBackend virCgroupBackend;
> typedef virCgroupBackend *virCgroupBackendPtr;
> diff --git a/src/util/vircgroupv1.c b/src/util/vircgroupv1.c
> index 2c19e6147a..4f6d20e31f 100644
> --- a/src/util/vircgroupv1.c
> +++ b/src/util/vircgroupv1.c
> @@ -1329,6 +1329,54 @@ virCgroupV1GetBlkioDeviceReadBps(virCgroupPtr
> group,
> }
>
>
> +static int
> +virCgroupV1SetBlkioDeviceWriteBps(virCgroupPtr group,
> + const char *path,
> + unsigned long long wbps)
> +{
> + VIR_AUTOFREE(char *) str = NULL;
> + VIR_AUTOFREE(char *) blkstr = NULL;
> +
> + if (!(blkstr = virCgroupGetBlockDevString(path)))
> + return -1;
> +
> + if (virAsprintf(&str, "%s%llu", blkstr, wbps) < 0)
> + return -1;
> +
> + return virCgroupSetValueStr(group,
> + VIR_CGROUP_CONTROLLER_BLKIO,
> + "blkio.throttle.write_bps_device",
> + str);
> +}
> +
> +
> +static int
> +virCgroupV1GetBlkioDeviceWriteBps(virCgroupPtr group,
> + const char *path,
> + unsigned long long *wbps)
> +{
> + VIR_AUTOFREE(char *) str = NULL;
> +
> + if (virCgroupGetValueForBlkDev(group,
> + VIR_CGROUP_CONTROLLER_BLKIO,
> + "blkio.throttle.write_bps_device",
> + path,
> + &str) < 0)
> + return -1;
> +
> + if (!str) {
> + *wbps = 0;
> + } else if (virStrToLong_ull(str, NULL, 10, wbps) < 0) {
> + virReportError(VIR_ERR_INTERNAL_ERROR,
> + _("Unable to parse '%s' as an integer"),
> + str);
> + return -1;
> + }
> +
> + return 0;
> +}
> +
> +
> virCgroupBackend virCgroupV1Backend = {
> .type = VIR_CGROUP_BACKEND_TYPE_V1,
>
> @@ -1363,6 +1411,8 @@ virCgroupBackend virCgroupV1Backend = {
> .getBlkioDeviceWriteIops = virCgroupV1GetBlkioDeviceWriteIops,
> .setBlkioDeviceReadBps = virCgroupV1SetBlkioDeviceReadBps,
> .getBlkioDeviceReadBps = virCgroupV1GetBlkioDeviceReadBps,
> + .setBlkioDeviceWriteBps = virCgroupV1SetBlkioDeviceWriteBps,
> + .getBlkioDeviceWriteBps = virCgroupV1GetBlkioDeviceWriteBps,
> };
>
>
> --
> 2.17.1
>
> --
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