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vircgroup: introduce virCgroupV2PathOfController

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina 2018-08-19 19:45:49 +02:00
parent 171c700cd8
commit 0542640a9c
1 changed files with 24 additions and 0 deletions
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24
src/util/vircgroupv2.c
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@ -314,6 +314,29 @@ virCgroupV2GetAnyController(virCgroupPtr group)
}
static int
virCgroupV2PathOfController(virCgroupPtr group,
int controller,
const char *key,
char **path)
{
if (!virCgroupV2HasController(group, controller)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("v2 controller '%s' is not available"),
virCgroupV2ControllerTypeToString(controller));
return -1;
}
if (virAsprintf(path, "%s%s/%s",
group->unified.mountPoint,
group->unified.placement,
key ? key : "") < 0)
return -1;
return 0;
}
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@ -328,6 +351,7 @@ virCgroupBackend virCgroupV2Backend = {
.detectControllers = virCgroupV2DetectControllers,
.hasController = virCgroupV2HasController,
.getAnyController = virCgroupV2GetAnyController,
.pathOfController = virCgroupV2PathOfController,
};