[libvirt] [PATCH 05/53] vircgroup: introduce virCgroupV2CopyPlacement
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
src/util/vircgroupv2.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index d3f72b9006..11d9876d36 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -141,12 +141,39 @@ virCgroupV2CopyMounts(virCgroupPtr group,
}
+static int
+virCgroupV2CopyPlacement(virCgroupPtr group,
+ const char *path,
+ virCgroupPtr parent)
+{
+ if (path[0] == '/') {
+ if (VIR_STRDUP(group->unified.placement, path) < 0)
+ return -1;
+ } else {
+ /*
+ * parent == "/" + path="" => "/"
+ * parent == "/libvirt.service" + path == "" =>
"/libvirt.service"
+ * parent == "/libvirt.service" + path == "foo" =>
"/libvirt.service/foo"
+ */
+ if (virAsprintf(&group->unified.placement, "%s%s%s",
+ parent->unified.placement,
+ (STREQ(parent->unified.placement, "/") ||
+ STREQ(path, "") ? "" : "/"),
+ path) < 0)
+ return -1;
+ }
+
+ return 0;
+}
+
+
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
.available = virCgroupV2Available,
.validateMachineGroup = virCgroupV2ValidateMachineGroup,
.copyMounts = virCgroupV2CopyMounts,
+ .copyPlacement = virCgroupV2CopyPlacement,
};
--
2.17.1