On 10/02/2018 10:43 AM, Pavel Hrdina wrote:
> If the placement was copied from parent or set to absolute path
> there is nothing to do, otherwise set the placement based on
> process placement from /proc/self/cgroup or /proc/{pid}/cgroup.
>
> Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx>
> ---
> src/util/vircgroupv2.c | 26 ++++++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
> index eaf07397d5..ed94d5da17 100644
> --- a/src/util/vircgroupv2.c
> +++ b/src/util/vircgroupv2.c
> @@ -182,6 +182,31 @@ virCgroupV2DetectMounts(virCgroupPtr group,
> }
>
>
> +static int
> +virCgroupV2DetectPlacement(virCgroupPtr group,
> + const char *path,
> + const char *controllers ATTRIBUTE_UNUSED,
> + const char *selfpath)
> +{
> + if (group->unified.placement)
> + return 0;
> +
> + /*
> + * selfpath == "/" + path="" -> "/"
> + * selfpath == "/libvirt.service" + path == "" -> "/libvirt.service"
> + * selfpath == "/libvirt.service" + path == "foo" -> "/libvirt.service/foo"
> + */
> + if (virAsprintf(&group->unified.placement,
> + "%s%s%s", selfpath,
> + (STREQ(selfpath, "/") ||
> + STREQ(path, "") ? "" : "/"),
> + path) < 0)
> + return -1;
Same comment here as in 05/53.
> +
> + return 0;
> +}
> +
> +
> virCgroupBackend virCgroupV2Backend = {
> .type = VIR_CGROUP_BACKEND_TYPE_V2,
>
> @@ -190,6 +215,7 @@ virCgroupBackend virCgroupV2Backend = {
> .copyMounts = virCgroupV2CopyMounts,
> .copyPlacement = virCgroupV2CopyPlacement,
> .detectMounts = virCgroupV2DetectMounts,
> + .detectPlacement = virCgroupV2DetectPlacement,
> };
>
>
>
ACK
Michal
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